Lei ZHU  祝雷
Distinguished Professor
IEEE Fellow

Academic Qualifications | Working Experience | Award and Honor | Services | Teaching | Research | Publications | Professional Affiliations | Contact Details

Academic Qualifications
Working Experience
Award and Honor
Services

International Societies

University


Teaching

B.Sc. Courses

PhD. Courses


Research

Research Interests

Research Grants (Since August 2013)

PhD Students Supervised (2000-2013, Singapore)

Research staffs (2013 - Present, Macau SAR, China)

On-Going PhD Students (2013 - Present, Macau SAR, China)

1~2 PhD Students under Recruitment (2017/2018, Macau SAR, China)


Publications

(updated: 21-August-2017)

Citations of published papers:

Books and book chapters:

  1. Ferran Martín, Lei Zhu, Jiasheng Hong, and Francisco Medina, “Balanced Microwave Filters,” (in press) John Wiley & Sons, Inc., 2018.
  2. Lei Zhu, Sheng Sun, and Rui Li, “Microwave Bandpass Filters for Wideband Communications”, John Wiley & Sons, February 2012.
  3. L. Zhu, “Microwave Filters”, (Invited) in Encyclopedia of RF and Microwave Engineering, (Editor: Kai Chang) John Wiley & Sons, Inc., 2005, volume 3, pp.2751-2763.
  4. L. Zhu, “Coplanar Waveguide (CPW) Transmission Lines”, (Invited) in Encyclopedia of RF and Microwave Engineering, (Editor: Kai Chang), John Wiley & Sons, Inc., 2005, volume 1, pp.821-833.
  5. K. Wu, L. Zhu and R. Vahldieck, “Microwave Passive Components”, (Invited) Chapter V-7 in The Electrical Engineering Handbook, (Editor-in-Chief: Wai-Kai Chen), Elsevier Academic Press, 2005, pp.585-618

Journal papers: (of 254 papers, 156 in IEEE Transactions/Letters/Magazine)

  1. F. Huang, J. Wang, L. Zhu, Q. Chen, and W. Wu, “Dual-mode filtering power divider with high passband selectivity and wide upper stopband,” (in press) IEEE Microwave and Wireless Components Letters.
  2. Z.-J. Yang, S.-Q. Xiao, L. Zhu, B.-Z. Wang, and H.-L. Tu, “A circularly polarized implantable antenna for 2.4 GHz ISM band biomedical applications,” (in press) IEEE Antennas and Wireless Propagation Letters.
  3. W.-J. Lu, Q. Li, S.-G. Wang, and L. Zhu, “Design approach to a novel dual-mode wideband circular sector patch antenna,” (in press) IEEE Transactions on Antennas and Propagation.
  4. X. Zhang and L. Zhu, “Gain-enhanced patch antenna without enlarged size via loading of slot and shorting pins,” (in press) IEEE Transactions on Antennas and Propagation.
  5. X. Guan, P. Gui, T. Xiong, B. Ren, and L. Zhu, “Hybrid microstrip/slotline ultra-wideband bandpass filter with a controllable notch-band,” (in press) International Journal of Antennas and Propagation.
  6. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Single-layer broadband phase shifter using multimode resonator and shunt λ/4 stubs,” (in press) IEEE Transactions on Components, Packaging and Manufacturing Technology.
  7. N.-W. Liu, L. Zhu, and W.-W. Choi, “A low-profile wide-bandwidth planar inverted-F antenna under dual resonances: principle and design approach,” (in press) IEEE Transactions on Antennas and Propagation.
  8. J.-Y. Lin, S.-W. Wong, L. Zhu, and Q.-X. Chu, “Design of miniaturized triplexers via sharing a single triple-mode cavity resonator,” (in press) IEEE Transactions on Microwave Theory and Techniques.
  9. L.-P. Feng and L. Zhu, “Wideband filtering balun on a novel hybrid multi-mode resonator with functionality of vertical transition,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.7, no.8, Aug. 8, 2017, pp.1324-1330.
  10. S.-W. Wong, B.-L. Zheng, L. Zhu, and Q.-X. Chu, “A quintuple-mode wideband filter based on a single metal cavity,” Electronics Letters, vol.53, no.15, Jul. 2017, pp.1049-1050.
  11. S.-W. Wong, F. Deng, J.-Y. Lin, Y.-M. Wu, L. Zhu, and Q.-X. Chu, “An Independently Four-Channel Cavity Diplexer With 1.1–2.8 GHz Tunable Range,” IEEE Microwave and Wireless Components Letters, vol.27, no.8, Aug. 2017, pp.709-711.
  12. D. Xie, J. Wen, L. Zhu, X. Liu, H. Guo, H. Bu, X. M. Yang, and C. Liu, “Uniform periodic leaky-wave antennas with eliminated open stopbands,” IEEE Antennas and Wireless Propagation Letters, vol.16, 2017, pp. 2110-2113.
  13. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Proposal and synthesis design of differential phase shifters with filtering function,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.8, Aug. 2017, pp. 2906-2917.
  14. L. Yang, L. Zhu, W.-W. Choi, and K.-W. Tam, “Analysis and design of wideband microstrip-to-microstrip equal ripple vertical transitions and their application to bandpass filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.8, Aug. 2017, pp. 2866-2877.
  15. R. Zhang, S. Luo, L. Zhu, and L. Yang, “Synthesis and design of miniaturized wideband bandpass filters with scaled transmission line for spurious-response suppression,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.8, Aug. 2017, pp. 2878-2885.
  16. D. Xie, L. Zhu, and X. Zhang, “An EH0-mode microstrip leaky-wave antenna with periodical loading of short pins,” IEEE Transactions on Antennas and Propagation, vol.65, no.7, Jul. 2017, pp. 3419-3426.
  17. G. Zhang, J. Wang, L. Zhu, and W. Wu, “Dual-mode filtering power divider with high passband selectivity and wide upper stopband,” IEEE Microwave and Wireless Components Letters. vol.27, no.7, Jul. 2017, pp.642-644.
  18. S.-W. Wong, F. Deng, Y.-M. Wu, J.-Y. Lin, L. Zhu, Q.-X. Chu, and Y. Yang, “Individually frequency tunable dual- and triple-band filters in a single cavity,” IEEE Access, vol.5, 2017, pp. 11615-11625.
  19. Z.-C. Guo, S.-W. Wong, J.-Y. Lin, L. Zhu, Q.-X. Chu, Q. Zhang, and Y. Yang, “Triple-mode cavity bandpass filter on doublet with controllable transmission zeros,” IEEE Access, vol.5, 2017, pp. 6969-6977.
  20. Q. Li, W.-J. Lu, S.-G. Wang, and L. Zhu, “Planar quasi-isotropic magnetic dipole antenna using fractional-order circular sector cavity resonant mode,” IEEE Access, vol.5, 2017, pp. 8515-8525
  21. S.-G. Wang, W.-J. Lu, C.-R. Guo, and L. Zhu, “Wideband slotline antenna with a frequency-spatial steerable notch-band in radiation gain,” Electronics Letters, vol.53, no.10, May 2017, pp.650-652.
  22. D. Chen, L. Zhu, H. Bu, and C. Cheng, “A wideband balun filter on a triple-mode slotline resonator with controllable bandwidth,” IEEE Microwave and Wireless Components Letters, vol.27, no.6, Jun. 2017, pp.569-571.
  23. N.-W. Liu, L. Zhu, W.-W. Choi, and X. Zhang, “Wideband shorted patch antenna under radiation of dual resonant modes,” IEEE Transactions on Antennas and Propagation, vol.65, no.6, Jun. 2017, pp. 2789-2796.
  24. R. Zhang, S. Luo, L. Zhu, and L. Yang, “Synthesis and design of harmonic suppressed wideband bandpass filters with mixed modified Richard’s transformations (MRTs),” IEEE Microwave and Wireless Components Letters, vol.27, no.5, May 2017, pp.455-457.
  25. N.-W. Liu, L. Zhu, and W.-W. Choi, “A differential-fed microstrip patch antenna with bandwidth enhancement under operation of TM10 and TM30 modes,” IEEE Transactions on Antennas and Propagation, vol.65, no.4, Apr. 2017, pp.1607-1614.
  26. L. Yang, L. Zhu, W.-W. Choi, K.-W. Tam, R. Zhang, and J. Wang, “Wideband microstrip-to-microstrip vertical transition with high filtering selectivity using open-circuited slotline SIR,” IEEE Microwave and Wireless Components Letters, vol.27, no.4, Apr. 2017, pp.329-311.
  27. C.-R. Guo, W.-J. Lu, Z.-S. Zhang, and L. Zhu, “Wideband non-traveling-wave triple-mode slotline antenna,” IET Microwaves, Antennas & Propagation, vol.11, no.6, Jun. 2017, pp.886-891.
  28. R. Zhang, S. Luo, and L. Zhu, “A new synthesis and design method for wideband bandpass filters with generalized unit elements (GUEs),” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.3, Mar. 2017, pp.815-823.
  29. X. Guo, L. Zhu, and W. Wu, “Optimized design of differential moderate-band BPF on coupled slotline resonators,” IEEE Microwave and Wireless Components Letters, vol.27, no.3, Mar. 2017, pp.263-265.
  30. N.-W. Liu, L. Zhu, W.-W. Choi, and X. Zhang, “A low-profile aperture-coupled microstrip antenna with enhanced bandwidth under dual-resonance,” IEEE Transactions on Antennas and Propagation, vol.65, no.3, Mar. 2017, pp. 1055-1062.
  31. D. Chen, L. Zhu, H. Bu, and C. Cheng, “Differential-mode bandpass filter on microstrip line with wideband common-mode suppression,” Electronics Letters, vol. 53, no. 3, Feb. 2017, pp.163-165.
  32. J.-D. Zhang, L. Zhu, N.-W. Liu, and W. Wu, “Dual-band and dual-circularly-polarized single-layer microstrip array based on multiresonant modes,” IEEE Transactions on Antennas and Propagation, vol.65, no.3, Mar. 2017, pp. 1428-1433.
  33. X. Zhang, L. Zhu, and N.-W. Liu, “Pin-loaded circularly-polarized patch antennas with wide 3-dB axial ratio beamwidth,” IEEE Transactions on Antennas and Propagation, vol.65, no.2, Feb. 2017, pp. 521-528.
  34. L.-P. Feng and L. Zhu, “Strip-loaded slotline resonator for compact differential-mode bandpass filters with improved upper stopband performance,” IEEE Microwave and Wireless Components Letters, vol.27, no.2, Feb. 2017, pp.108-110.
  35. S.-F. Feng, S.-W. Wong, L. Zhu, and Q.-X. Chu, “A triple-mode wideband bandpass filter using single rectangular waveguide cavity,” IEEE Microwave and Wireless Components Letters, vol.27, no.2, Feb. 2017, pp.117-119.
  36. L. Yang, W.-W. Choi, K.-W. Tam, and L. Zhu, “Novel wideband bandpass filter with dual notched bands using stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol.27, no.1, Jan. 2017, pp.25-27.
  37. J.-D. Zhang, L. Zhu, N.-W. Liu, and W. Wu, “CP patch antenna with controllable polarisation over dual-frequency bands,” IET Microwaves, Antennas & Propagation, vol.11, no.2, Feb. 2017, pp.224-231.
  38. J. Wang, Q. Liu, and L. Zhu, “Bandwidth enhancement of a differential-fed equilateral triangular patch antenna via loading of shorting posts,” IEEE Transactions on Antennas and Propagation, vol.65, no.1, Jan. 2017, pp. 36-43.
  39. Y. Chen, W.-J. Lu, L. Zhu and H.-B. Zhu, “Square loop antenna under even-mode operation: modelling, validation and implementation,” International Journal of Electronics, vol.104, no.2, 2017, pp.271-285.
  40. D. Xie, X.Liu, H. Guo, X. Yang, C. Liu, and L. Zhu, “Wideband absorber with multi-resonant gridded-square FSS for antenna RCS reduction,” IEEE Antennas and Wireless Propagation Letters, vol.16, 2017, pp.629-632.
  41. Q.-S. Wu and L. Zhu, “Wideband impedance transformers on parallel- Coupled and Multisection Microstrip Lines: Synthesis Design and Implementation,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.12, Dec. 2016, pp.1873-1880.
  42. S.-W. Wong, R.-S. Chen, L. Zhu, and Q.-X. Chu, "Substrate integrated waveguide quasi-elliptic filter using slot coupling and microstrip-line cross-coupled structure", IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.12, Dec. 2016, pp.1881-1888.
  43. F. Huang, J. Wang, L. Zhu, and W. Wu, “Compact microstrip balun diplexer using stub-loaded dual-mode resonators,” Electronics Letters, vol.52, no.24, Nov. 2016, pp.1994-1996.
  44. J.-D. Zhang, L. Zhu, Q.-S. Wu, N.-W. Liu, and W. Wu, “A compact microstrip-fed patch antenna with enhanced bandwidth and harmonic suppression,” IEEE Transactions on Antennas and Propagation, vol.64, no.12, Dec. 2016, pp. 5030-5037.
  45. Y.-P. Lyu, L. Zhu, Q.-S. Wu and C.-H. Cheng, “Proposal and synthesis design of wideband phase shifters on multimode resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.12, Dec. 2016, pp.4211-4221.
  46. N.-W. Liu, L. Zhu, W.-W. Choi, and J.-D. Zhang, “A novel differential-fed patch antenna on stepped-impedance resonator with enhanced bandwidth under dual-resonance,” IEEE Transactions on Antennas and Propagation, vol.64, no.11, Nov. 2016, pp. 4618-4625.
  47. Y. Ding, J. Wang, L. Zhu, and W. Wu, “Filtering power divider with good isolation and harmonic suppression,” IEEE Microwave and Wireless Components Letters, vol.26, no.12, Dec. 2016, pp.984-986.
  48. S.-W. Wong, S.-F. Feng, L. Zhu, and Q.-X. Chu, “A quintuple-mode wideband bandpass filter on single metallic cavity with perturbation cylinders,” IEEE Microwave and Wireless Components Letters, vol.26, no.12, Dec. 2016, pp.975-977.
  49. B. Xue, M. You, W.-J. Lu, and L. Zhu, “Planar endfire circularly polarized antenna using concentric annular sector complementary dipoles,” International Journal of RF and Microwave Computer-Aided Engineering, vol.26, no. 9, Nov. 2016, pp.829-838.
  50. F. Song, B. Wei, L. Zhu, Y. Feng, R. Wang, and B. Cao, “A novel tri-band superconducting filter using embedded stub-loaded resonators,” IEEE Transactions on Applied Superconductivity, vol.26, no.8, Dec. 2016, (1502009), pp.1-9.
  51. M. You, W.-J. Lu, B. Xue, L. Zhu and H.-B. Zhu, “A novel planar endfire circularly polarized antenna with wide axial-ratio beamwidth and wide impedance bandwidth,” IEEE Transactions on Antennas and Propagation, vol.64, no.10, Oct. 2016, pp. 4554-4559.
  52. Q. Wu and L. Zhu, “Synthesis design of a wideband impedance transformer consisting of two-section coupled lines,” IET Microwaves, Antennas & Propagation, vol. 11, no. 1, Jan. 2017, pp. 144-150.
  53. G. Zhang, J. Wang, L. Zhu, and W. Wu, “Dual-band filtering power divider with high selectivity and good isolation,” IEEE Microwave and Wireless Components Letters, vol.26, no.10, Oct. 2016, pp.774-776.
  54. S.-W. Wong, G.-H. Sun, L. Zhu, and Q.-X. Chu, “Broadband dual-polarization and stable-beamwidth slot antenna fed by U-shape microstrip line,” IEEE Transactions on Antennas and Propagation, vol.64, no.10, Oct. 2016, pp.4477-4481.
  55. X. Guo, L. Zhu and W. Wu, “A dual-wideband differential filter on strip-loaded slotline resonators with enhanced coupling scheme,” IEEE Microwave and Wireless Components Letters, vol.26, no.11, Nov. 2016, pp.882-884.
  56. R. Zhang, S. Luo and L. Zhu, “Synthesis and Design of Asymmetrical Dual-Band Bandpass Filters With Modified Richard’s Transformation,” IET Microwaves, Antennas & Propagation, vol.10, no.12, Sep. 2016, pp.1352-1362.
  57. J. Wang, F. Huang, L. Zhu, C. Cai, and W. Wu, “Study of a new planar-type balun topology for application in design of balun bandpass filters,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.9, Sep. 2016, pp.2824-2832.
  58. Z. Liu, G. Xiao and L. Zhu, “Numerical de-embedding and experimental validation of propagation properties of corrugated substrate integrated waveguide,” Microwave and Optical Technology Letters, vol.58, no.10, Oct. 2016, pp.2456-2460.
  59. Z. Liu, L. Zhu and G. Xiao, “A novel microwave attenuator on multilayered substrate integrated waveguide,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.7, Jul. 2016, pp.1108-1114.
  60. Z. Liu, G. Xiao and L. Zhu, “Triple-mode bandpass filters on CSRR-loaded substrate integrated waveguide cavities,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.7, Jul. 2016, pp.1101-1107.
  61. F. Song, L. Zhu, B. Wei, B. Cao, L. Jiang and B. Li  “Quad-band superconducting bandpass filter using quad-mode stub-loaded resonators with controllable frequencies and bandwidths,” IEEE Transactions on Applied Superconductivity, vol.26, no.6, Sep. 2016, (1501610), pp.1-10.
  62. X. Zhang and L. Zhu, “Gain-enhanced patch antennas with loading of shorting pins,” IEEE Transactions on Antennas and Propagation, vol.64, no.8, Aug. 2016, pp. 3310-3318.
  63. X. Guo, L. Zhu, W. Wu, “Balanced wide-/dual-band BPFs on a hybrid multimode resonator with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.7, Jul. 2016, pp.1997-2005.
  64. J. Zhang, W.-J. Lu, L. Li, L. Zhu, and H.-B. Zhu, “Wideband dual-mode planar endfire antenna with circular polarisation,” Electronics Letters, vol.52, no.12, Jun. 2016, pp.1000-1001.
  65. Q.-S. Wu and L. Zhu, “Short-ended coupled-line impedance transformers with ultra-high transforming ratio and bandpass selectivity suitable for large load impedances,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.5, May 2016, pp.767-774.
  66. X. Zhang and L. Zhu, “High-gain circularly polarized microstrip patch antenna with loading of shorting pins,” IEEE Transactions on Antennas and Propagation, vol.64, no.6, Jun. 2016, pp. 2172-2178.
  67. N.-W. Liu, L. Zhu and W.-W. Choi, “A low-profile wide-beamwidth circularly-polarized patch antenna on a suspended substrate,” IET Microwaves, Antennas & Propagation, vol.10, no.8, 2016, pp.885-890.
  68. S.-W. Wong, S.-F. Feng, Z.-C. Zhang, B.-L. Zheng, L. Zhu and Q.-X. Chu, "A compact triple-mode bandpass filter using dielectric resonator in cylindrical cavity", Microwave and Optical Technology Letter, vol.58, no.7, Jul. 2016, pp.1645-1647.
  69. R. Zhang, S. Luo and L. Zhu, “Synthesis and design of mixed lumped and distributed lowpass filters/ lowpassing impedance-transformers with Taylor series,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.4, Apr. 2016, pp.1265-1272.
  70. Q.-S. Wu and L. Zhu, “Wideband impedance transformers with good frequency selectivity based on multisection quarter-wave lines and short-circuited stubs,” IEEE Microwave and Wireless Components Letters, vol.26, no.5, May 2016, pp.337-339.
  71. N.-W. Liu, L. Zhu and W.-W. Choi, “A printed wide-beamwidth CP antenna via two pairs of radiating slots placed in a square contour,” International Journal of Microwave and Wireless Technologies, 2016, (S1759078716000246), pp.1-8.
  72. X. Zhang and L. Zhu, “Patch antennas with loading of a pair of shorting pins toward flexible impedance matching and low cross-polarization,” IEEE Transactions on Antennas and Propagation, vol.64, no.4, Apr. 2016, pp.1226-1233.
  73. F. Huang, J. Wang and L. Zhu, “A new approach to design a microstrip dual-mode balun bandpass filter,” IEEE Microwave and Wireless Components Letters, vol.26, no.4, Apr. 2016, pp.252-254.
  74. K. Wu, S. Sun, L. Li, L. Hang, L. Zhu, and C. K. M. Tse, “The Match Game: numerical de-embedding of field simulation and parameter extraction of circuit models for electromagnetic structure using calibration techniques,” IEEE Microwave Magazine, vol.17, no.4, Apr. 2016, pp.77-92.
  75. X. Liu, L. Zhu and Y. Feng, “Spoof surface plasmon-based bandpass filter with extremely wide upper stopband,” Chinese Physics B, vol.25, no.3, 2016, pp. 034101-1 to 034101-4.
  76. Z.-C. Zhang, Q.-X. Chu, S.-W. Wong, S.-F. Feng, L. Zhu, Q.-T. Huang and F.-C. Chen, “Triple-mode dielectric-loaded cylindrical cavity diplexer using novel packaging technique for LTE base-station applications,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.3, Mar. 2016, pp.383-389.
  77. G.-H. Sun, S.-W. Wong, L. Zhu and Q.-X. Chu, “A compact printed filtering antenna with good suppression of upper harmonic band,” IEEE Antennas and Wireless Propagation Letters, vol.15, 2016, pp.1349-1352.
  78. C. Cai, J. Wang, L. Zhu and W. Wu, “A new approach to design microstrip wideband balun bandpass filter,” IEEE Microwave and Wireless Components Letters, vol.26, no.2, Feb. 2016, pp.116-118.
  79. X. Guo, L. Zhu and W. Wu, “Strip-loaded slotline resonators for differential wideband bandpass filters with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.2, Feb. 2016, pp. 450-458.
  80. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Vertical microstip-to-microstrip transition through the highpass-filter topology for ultra-wideband (UWB) applications,” HKIE Transactions, vol.23, no.1, pp.19-25, 2016.
  81. K. Wang, S. W. Wong, L. Zhu, Q. Zhang and Q.-X. Chu, “A novel SIW dual-band bandpass filter on a double-layer substrate using loaded posts,” Microwave and Optical Technology Letters, vol.58, no. 1, Jan. 2016, pp.155-158
  82. Q.-S. Wu and L. Zhu, “Numerical de-embedding of effective wave impedances of substrate integrated waveguide with varied via-to-via spacings,” IEEE Microwave and Wireless Components Letters, vol.26, no.1, Jan. 2016, pp.1-3.
  83. K. Wang, S. W. Wong, G.-H. Sun, Z.-N. Chen, L. Zhu and Q.-X. Chu, “Synthesis method for substrate integrated waveguide (SIW) bandpass filter with even-order Chebyshev response,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.1, Jan. 2016, pp.126-135.
  84. Z. Liu, L. Zhu, G. B. Xiao and Q. S. Wu, “An effective approach to de-embed the complex propagation constant for substrate integrated waveguide and Its application,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.1, Jan. 2016, pp.109-116.
  85. S.-W. Wong, Q.-K. Huang, G.-H. Sun, L. Zhu and Q.-X. Chu, “Multiple-mode wideband dual-polarized antenna for long term evolution (LTE) application,” IEEE Antennas and Wireless Propagation Letters, vol.15, 2016, pp.203-206.
  86. Y.-F. Zheng, S.-W. Wong, K. Wang, Q.-K. Huang, L. Zhu, and Q.-X. Chu, “Wideband dipole antenna using the multiple-mode resonator for long-term evolution application,” Electronics Letters, vol.51, no.25, Dec. 2015, pp. 2074-2076.
  87. S.-W. Wong, Z.-C. Zhang, S.-F. Feng, F. Chen, L. Zhu and Q.-X. Chu, “Triple-mode dielectric resonator diplexer for base station applications,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.12, Dec. 2015, pp. 3947-3953.
  88. W.-J. Lu, L. Zhu, K. W. Tam and H.-B. Zhu, “Wideband dipole antenna using multi-mode resonance concept,” International Journal of Microwave and Wireless Technologies, 2015, (S175907871500149X), pp.1-7.
  89. D. Chen, L. Zhu, H. Bu and C. Cheng, “A novel planar diplexer using slotline-loaded microstrip ring resonator,” IEEE Microwave and Wireless Components Letters, vol.25, no.11, Nov. 2015, pp706-708.
  90. S. Zhang, L. Zhu and R. Weerasekera, “Synthesis of inline mixed coupled quasi-elliptic bandpass filters based on λ/4 resonators,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.10, Oct. 2015, pp.3487-3493.
  91. S. W. Wong, S. F. Feng, L. Zhu and Q. X. Chu, “Triple- and quadruple-mode wideband band-pass filter using simple perturbation in single metal cavity,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.10, Oct. 2015, pp.3416-3424..
  92. D. Chen, L. Zhu, H. Bu and C. Cheng, “Differential bandpass filter on dual-mode ring resonator with slotline feeding scheme,” Electronics Letters, vol. 51, no. 19, Sep. 2015, pp. 1512-1514.
  93. X. Liu, L. Zhu, Q. Wu and Y. Feng, “Highly-confined and low-loss spoof surface plasmon polaritons structure with periodic loading of trapezoidal grooves,” AIP Advances, vol.5, 077123-1 to 077123-7, 2015.
  94. Y. Luo, Q.-X. Chu and L. Zhu, “A miniaturized wide-beamwidth circularly polarized planar antenna via two pairs of folded dipoles in a square contour,” IEEE Transactions on Antennas and Propagation, vol.63, no.8, Aug. 2015, pp.3757-3759.
  95. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Wideband vertical microstrip-to-microstrip transition with three-pole filtering response,” Microwave and Optical Technology Letters, vol.57, no.9, Sep. 2015, pp.2213-2216.
  96. L. Yang, W.-W. Choi, K.-W. Tam and L. Zhu, “Balanced dual-band bandpass filter with multiple transmission zeros using doubly short-ended resonator coupled-line,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.7, Jul., 2015, pp.2225-2232.
  97. F. Song, B. Wei, L. Zhu, B. Cao and X. Li, “Dual-band high-temperature superconducting bandpass filter using quint-mode stub-loaded resonators,” IEEE Transactions on Applied Superconductivity, vol.25, no.4, Aug. 2015, (1501410), pp. 1-10.
  98. X. Guo, L. Zhu, J. Wang and W. Wu, “Wideband microstrip-to-microstrip vertical transitions via multi-resonant modes in a slotline resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.6, Jun., 2015, pp.1902-1907.
  99. X. S. Jing, S. Sun and L. Zhu, "Design of microwave patch hybrid couplers with arbitrary power ratio and impedance transformation," IEICE Transactions on Electronics, vol.E98-C, no.7, Jul. 2015, pp.644-650.
  100. X. Guo, L. Zhu, K.-W. Tam and W. Wu, “Wideband differential bandpass filters on multimode slotline resonator with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.5, May 2015, pp.1587-1594.
  101. K. Wang, L. Zhu, S.-W. Wong, D. Chen and Z.-C. Guo, “Balanced dual-Band BPF with intrinsic common-mode suppression on a double-layer substrate,” Electronics Letters, vol.51, no.9, Apr. 2015, pp.705-707.
  102. W.-J. Lu and L. Zhu, “Planar dual-mode wideband antenna using short-circuited-strips loaded slotline radiator: operation principle, design and validation,” International Journal of RF and Microwave Computer-Aided Engineering, vol.25, no.7, Sep. 2015, pp. 573-581.
  103. Y. Luo, Q.-X. Chu and L. Zhu, “A low-profile wide-beamwidth circularly-polarized antenna via two pairs of parallel dipoles in a square contour,” IEEE Transactions on Antennas and Propagation, vol.63, no.3, Mar. 2015, pp.931-936.
  104. W.-J. Lu and L. Zhu, “A novel wideband slotline antenna with dual resonances: principle and design approach,” IEEE Antennas and Wireless Propagation Letters, vol.14, 2015, pp.795-798.
  105. W.-J. Lu and L. Zhu, “Wideband stub-loaded slotline antennas under multi-mode resonance operation,” IEEE Transactions on Antennas and Propagation, vol.63, no.2, Feb. 2015, pp.818-823.
  106. J. Xu, W.-J. Lu, X.-T. Wu, Y.-M. Bo, L. Zhu and H.-B. Zhu, “A novel offset-fed dual-band aperture-dipole composite antenna: operating principle and design approach,” International Journal of RF and Microwave Computer-Aided Engineering, vol.25, no.5, Jun. 2015, pp. 382-393.
  107. D. Chen, H. Bu, L. Zhu and C. Cheng, “A differential-mode wideband bandpass filter on slotline multi-mode resonator with controllable bandwidth,” IEEE Microwave and Wireless Components Letters, vol.25, no.1, Jan. 2015, pp.28-30.
  108. R. S. Chen, S. W. Wong, L. Zhu and Q.-X. Chu, “Wideband bandpass filter using U-slotted substrate integrated waveguide (SIW) cavities,” IEEE Microwave and Wireless Components Letters, vol.25, no.1, Jan. 2015, pp.1-3.
  109. R. Zhang, S. Luo and L. Zhu, “Asymmetrical-response dual-band Bandpass filters on λ/8 transmission lines with modified Richard’s transformation,” IEEE Microwave and Wireless Components Letters, vol.24, no.10, Oct. 2014, pp.680-682.
  110. X. Huang, Q. Feng, L. Zhu, Q. Xiang and D. Jia, “Synthesis and design of tunable bandpass filters with constant absolute bandwidth using varactor-loaded microstrip resonator,” International Journal of RF and Microwave Computer-Aided Engineering, vol.24, no.6, Nov. 2014, pp.681-689.
  111. X. Guan, F. Yang, H. Liu and L. Zhu, “Compact and high-isolation diplexer using dual-mode stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol.24, no.6, Jun. 2014, pp.385-387.
  112. R. Zhang and L. Zhu, “Synthesis of dual-wideband bandpass filters with source-load coupling network,” IEEE Transactions on Microwave Theory and Technique, vol.62, no.3, March 2014, pp.441-449.
  113. R. Zhang and L. Zhu, “Synthesis and design of dual-wideband bandpass filters with internally-coupled microstrip lines,” IET Microwaves, Antennas & Propagation, vol.8, no.8, Jun. 2014, pp.556-563.
  114. R. Zhang and L. Zhu, “Design of a compact dual-band bandpass filter using coupled stepped-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol.24, no.3, Mar. 2014, pp.155-157.
  115. R. Zhang and L. Zhu, “Design of a wideband bandpass filter with composite short- and open-circuited stubs,”  IEEE Microwave and Wireless Components Letters, vol.24, no.2, Feb. 2014, pp.96-98.
  116. S. Zhang and L. Zhu, “Fully canonical dual-band bandpass filter with λ/4 stepped impedance resonators” Electronics Letters, vol.50, no.3, Jan. 2014, pp. 192-194.
  117. D. Chen, L. Zhu and C. Cheng, “A novel dual-band bandpass filter with closely spaced passbands,” IEEE Microwave and Wireless Components Letters, vol.24, no.1, Jan. 2014, pp.38-40.
  118. X. Xu, J. Wang and L. Zhu, “A new approach to design differential-mode bandpass filters on SIW structure,” IEEE Microwave and Wireless Components Letters, vol.23, no.12, Dec. 2013, pp.635-637.
  119. D. Chen, L. Zhu and C. Cheng, “Dual-resonant-mode (DRM) impedance transformer and its application to wideband 3-dB power divider,” IEEE Microwave and Wireless Components Letters, vol.23, no.9, Sep., 2013, pp.471-473.
  120. X. Huang, L. Zhu, Q. Feng, Q. Xiang and D. Jia, “Tunable bandpass filter with independently controllable dual passbands,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.9, Sep. 2013, pp.3200-3208.
  121. S. Zhang and L. Zhu, “Compact split-type dual-band bandpass filter based on λ/4 resonators,” IEEE Microwave and Wireless Components Letters, vol.23, no.7, Jul. 2013, pp.344-346.
  122. Y.X. Wang, L. Zhu and S.B. Zhang, “'High-selective wideband bandpass filter with an adjustable notched-band using stub-loaded resonator,” Electronics Letters, vol.49, no.24, Nov. 2013, pp.1542-1544.
  123. Y. X. Wang, L. Zhu and S. B. Zhang, “The design of wideband microstrip bandpass filter using dual stepped impedance stub-loaded resonator,” Advanced Materials Research, vol.760, 2013, pp.401-404.
  124. Y. X. Wang, L. Zhu and S. Zhang, “Compact bandpass filter based on novel hairpin resonator with self-contained triple transmission zeros,” Progress In Electromagnetics Research Letters, vol. 43, 2013, pp.65-72.
  125. B. Jiang, L. Zhu, and D. Chen, “A novel wideband bandpass filter using triple-mode slotline ring resonator,” Progress In Electromagnetics Research Letters, vol. 40, 2013, pp.163-170.
  126. R. Zhang and L. Zhu, “Synthesis and design of wideband dual-band bandpass filters with controllable in-band ripple factor and dual-band isolation,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.5, May 2013, pp.1820-1828.
  127. S. Zhang and L. Zhu, “Synthesis design of dual-band bandpass filters with λ/4 stepped impedance resonators,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.5, May 2013, pp.1812-1819.
  128. S. Zhang and L. Zhu, “Compact tri-band bandpass filter based on λ/4 resonators with U-folded coupled-line,” IEEE Microwave and Wireless Components Letters, vol.23, no.5, May 2013, pp.258-260.
  129. S. Zhang and L. Zhu, “Synthesis method for even-order symmetrical Chebyshev bandpass filters with alternative J/K inverters and λ/4 resonators,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.2, Feb. 2013, pp.808-816.
  130. R. Zhang, L. Zhu and S. Luo, “Dual-mode dual-band bandpass filters with adjustable frequency ratio using an annular ring resonator,” IEEE Microwave and Wireless Components Letters, vol.23, no.1, Jan. 2013, pp.13-15.
  131. R. Zhang and L. Zhu, “Synthesis design of a wideband bandpass filter with inductively coupled short-circuited multi-mode resonator,” IEEE Microwave and Wireless Components Letters, vol.22, no.10, Oct. 2012, pp.509-511.  
  132. S. Zhang, L. Zhu and R. Li, “Compact quadruplet bandpass filter based on alternative J/K inverters and λ/4 resonators,” IEEE Microwave and Wireless Components Letters, vol.22, no.5, May 2012, pp.224-226.
  133. R. Zhang, L. Zhu and S. Luo, “Dual-mode dual-band bandpass filter using a single slotted circular patch resonator,” IEEE Microwave and Wireless Components Letters, vol.22, no.5, May 2012, pp.233-235.
  134. R. Zhang and L. Zhu, “Microstrip bandpass filters using triple-mode patch-loaded cross resonator,” Progress In Electromagnetics Research Letters, vol.30, 2012, pp.13-20. 
  135. X.D. Huang, C.H. Cheng and L. Zhu, “An ultra-wideband (UWB) slotline antenna under multiple-mode resonance,” IEEE Transactions on Antennas and Propagation, vol.60, no.1, Jan. 2012, pp.385-389.
  136. X.D. Huang, C.H. Cheng and L. Zhu, “Wideband antenna using a multiple-mode slotline radiator: proposal and implementation,” IET Microwaves, Antennas and Propagation, vol.5, no.14, Nov. 2011, pp.1773-1778.
  137. S. Zhang and L. Zhu, “Compact and high-selectivity microstrip bandpass filters using triple-quad-mode stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol.21, no.10, Oct. 2011, pp.522-524.
  138. S. Luo, L. Zhu and S. Sun, “Compact dual-mode triple-band bandpass filters using three pairs of degenerate modes in a ring resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.59, no.5, May 2011, pp.1222-1229.
  139. S. Luo, L. Zhu and S. Sun, “A dual-mode dual-band bandpass filter using a single slot ring resonator,” Progress In Electromagnetics Research Letters, vol.23, 2011, pp.173-180.
  140. T. B. Lim and L. Zhu, “Highly selective differential-mode wideband bandpass filter for UWB application,” IEEE Microwave and Wireless Components Letters, vol.21, no.3, Mar. 2011, pp.133-135.
  141. T. B. Lim, L. Zhu, Y. Guan and N. C. Phoa, “Wideband microstrip-to-CPS transition with good out-of-band performance for UWB application,” Microwave and Optical Technology Letters, vol.53, no.4, Apr. 2011, pp.836-838.
  142. S. Luo, L. Zhu and S. Sun, “A dual-band ring-resonator bandpass filter based on two pairs of degenerate modes,” IEEE Transactions on Microwave Theory and Techniques, vol.58, no.12, Dec. 2010, pp.3427-3432.
  143. J.-W. Baik, L. Zhu and Y.S. Kim, “Dual-mode dual-band bandpass filter using balun structure for single substrate configuration,” IEEE Microwave and Wireless Components Letters, vol.20, no.11, Nov. 2010, pp.613-615.
  144. S. Sun and L. Zhu, “Miniaturised patch hybrid couplers using asymmetrically-loaded cross slots,” IET Microwaves, Antennas and Propagation, vol.4, no.9, Sep. 2010, pp.1427-1433. 
  145. T. B. Lim and L. Zhu, “Differential-mode ultra-wideband bandpass filter on microstrip line,” Electronics Letters, vol.45, no. 22, Oct. 2009, pp.1124-1125.
  146. T. B. Lim and L. Zhu, “A differential-mode wideband bandpass filter on microstrip line for UWB application,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 10, Oct. 2009, pp.632-634.
  147. S. W. Wong and L. Zhu,  “UWB bandpass filters using short-circuited shunt stub embedded multiple-mode resonators ,” Microwave and Optical Technology Letters, vol. 51, no. 11, Nov. 2009, pp. 2556-2559.
  148. S. Wen and L. Zhu, “Numerical synthesis design of coupled resonator filters,” Progress In Electromagnetics Research, vol.92, 2009, pp.333-346.   
  149. S. Luo and L. Zhu, “A novel dual-mode dual-band bandpass filter based on a single ring resonator,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 8, Aug. 2009, pp.497-499.
  150. S. W. Wong and L. Zhu, “Compact wideband bandpass filters using rhombus-shaped triple-mode resonator,” Microwave and Optical Technology Letters, vol. 51, no. 9, Sep. 2009, pp. 2107-2109.
  151. S. W. Wong and L. Zhu, “Ultra-wideband power dividers with good isolation and improved sharp roll-off skirt,” IET Microwaves, Antennas and Propagation, vol. 3, no. 8, Nov. 2009, pp.1157-1163.
  152. R. Li, S. Sun and L. Zhu, “Synthesis design of ultra-wideband bandpass filters with designable transmission poles,” IEEE Microwave and Wireless Component Letters, vol.19, no.3, May 2009, pp.284-286. 
  153. R. Li, S. Sun and L. Zhu, “Synthesis design of ultra-wideband bandpass filters with composite series and shunt stubs ,” IEEE Transactions on Microwave Theory and Techniques, vol. 57, no.3, Mar. 2009, pp. 684-692.
  154. R. Li, S. Sun and L. Zhu, “Direct synthesis of transmission line low-pass/high-pass filters with series stubs,” IET Microwaves, Antennas & Propagation, vol.3, no.4, Jun. 2009, pp. 654-662.
  155. S. W. Wong and L. Zhu, “Quadruple-mode UWB bandpass filter with improved out-of-band rejection,”   IEEE Microwave and Wireless Component Letters, vol.19, no.3, Mar. 2009, pp. 152-154.
  156. S. Sun and L. Zhu, “Multiple-mode-resonator-based bandpass filters for ultrawideband transmission systems,” IEEE Microwave Magazine, vol. 10, no. 2, Apr. 2009, pp. 88-98.
  157. S. W. Wong and L. Zhu, “Ultra-wideband bandpass filters with improved out-of-band behavior via embedded electromagnetic-bandgap multimode resonators,” IET Microwaves, Antennas & Propagation, vol. 2, no.8, Dec. 2008, pp. 854-862.
  158. S. W. Wong and L. Zhu, “Ultra-wide bandpass filters with sharpened roll-off skirts, extended upper-stopband and controllable notch-band,” Microwave and Optical Technology Letters, vol.50, no.11, Nov., 2008, pp.2958-2961.
  159. S. W. Wong and L. Zhu, “Ultra-wideband power divider with good in-band splitting and isolation performances,” IEEE Microwave and Wireless Component Letters, vol.18, no.8, Aug. 2008, pp. 518-520.
  160. S. Luo, L. Zhu and S. Sun, “Stopband-expanded low-pass filters using microstrip coupled-line hairpin units,” IEEE Microwave and Wireless Component Letters, vol.18, no.8, Aug. 2008, pp. 506-508.
  161. S. Sun and L. Zhu, “An asymmetrically-loaded interdigital coupled line for wideband microstrip bandpass filters with good out-of-band performance,” Electronics Letters, vol.44, no. 8, Apr. 2008, pp.530-531.
  162. S. Sun and L. Zhu, “Numerical deembedding technique for planar discontinuities with periodically non-uniform feed lines,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 18, no. 5, Sep. 2008, pp. 496-504.
  163. S. Sun, L. Zhu, and H. -H. Tan, “A compact wideband bandpass filter using transversal resonator and asymmetrical interdigital coupled lines,” IEEE Microwave and Wireless Component Letters, vol. 18, no.3, Mar. 2008, pp. 173-175.
  164. S. Sun, J. Shi, L. Zhu, S. C. Rustagi, K. Kang, and K. Mouthaan, “40 GHz compact TFMS meander-line bandpass filter on Silicon substrate,” Electronics Letters, vol. 43, no. 25, 6 Dec. 2007, pp. 1433-1434. 
  165. R. Li and L. Zhu, “Ultra-wideband (UWB) microstrip-slotline bandpass filter with enhanced rejection skirts and widened upper stopband,” Electronics Letters, vol.43, no. 24, Nov. 2007, pp. 1368-1369.
  166. S. W. Wong and L. Zhu, “Implementation of compact UWB bandpass filter with a notch-band,” IEEE Microwave and Wireless Components Letters, vol.18, no.1, Jan. 2008, pp. 10-12.  
  167. T. B. Lim, S. Sun and L. Zhu, “Compact ultra-wideband bandpass filter using harmonic-suppressed multiple-mode resonator,” Electronics Letters, vol.43, no. 22, Oct. 2007, pp. 1205-1206.
  168. J. Gao, L. Zhu and K. Li, “Guided-wave propagation characteristics of fully-integrated coplanar-waveguide metamaterials with distributed loading,” IEICE Transactions on Electronics, vol.E91-C, no.1, Jan. 2008, pp.34-40.
  169. S. Sun and L. Zhu, “Wideband microstrip ring resonator bandpass filters under multiple resonances,” IEEE Transactions on Microwave Theory and Techniques, vol.55, no.10, Oct. 2007, pp.2176-2182.
  170. R. Li and L. Zhu, “Reply to Comment on “Compact UWB bandpass filter using stub-loaded multiple-mode resonator””, IEEE Microwave and Wireless Components Letters, vol.17, no.11, Nov. 2007, pp. 812-812.
  171. R. Li and L. Zhu, “Ultra-wideband (UWB) bandpass filters with hybrid microstrip/slotline structures,” IEEE Microwave and Wireless Components Letters, vol.17, no.11, Nov. 2007 pp. 778-780.
  172. S. W. Wong and L. Zhu, “EBG-embedded multiple-mode resonator for UWB bandpass filter with improved upper-stopband performance,” IEEE Microwave and Wireless Components Letters, vol. 17, no.6, Jun. 2007, pp. 421-423.
  173. S. Sun, J. Shi, L. Zhu, S. C. Rustagi, and K. Mouthaan, “Millimeter-wave bandpass filters by standard 0.18-µm CMOS technology,” IEEE Electron Device Letters, vol. 28, no. 3, Mar. 2007, pp.220-222.
  174. R. Li and L. Zhu, “Stopband-improved dual-mode bandpass filter using side-slit patch Resonator,” Microwave and Optical Technology Letters, vol.49, no.3, Mar. 2007, pp.717-720.
  175. R. Li and L. Zhu, “Compact UWB bandpass filter using stub-loaded multiple-mode resonator,” IEEE Microwave and Wireless Components Letters, vol. 17, no.1, Jan. 2007, pp.40-42.
  176. S. Sun, L. Zhu, L. Wei, H. Peng and K. S. Ang, “Multisection vialess microstrip-line balun with backside aperture and floating patches,” Microwave and Optical Technology Letters, vol.49, no.2, Feb. 2007, pp.253-254.
  177. R. S. Kshetrimayum and L. Zhu, “EBG design using FSS elements in rectangular waveguide,” Applied Computational Electromagnetics Society Journal, Vol. 21, No. 2, Jul. 2006, pp. 149-154.
  178. S. Sun and L. Zhu, “Capacitive-ended interdigital coupled lines for UWB bandpass filters with improved out-of-band performances,” IEEE Microwave and Wireless Components Letters, vol.16, no.8, Aug. 2006, pp.440-442.
  179. J. Gao, L. Zhu, W. Menzel and F. Bögelsack, “Ultra-wideband (UWB) bandpass filter on coplanar waveguide: proposal and implementation,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 17, no.2, Mar. 2007, pp.225-232.
  180. J. Gao and L. Zhu, “Effective complex permittivity and permeability of composite planar left-handed transmission line metamaterials on CPW,” Microwave and Optical Technology Letters, vol.48, no.6, Jun. 2006, pp.1050-1052.
  181. J. Gao, L. Zhu, W. Menzel, F. Bögelsack, “Short-circuited CPW multiple-mode resonator for ultra-wideband (UWB) bandpass filter,”  IEEE Microwave and Wireless Components Letters, vol.16, no.3, Mar. 2006, pp.104-106.
  182. H. Wang and L. Zhu, “Ultra-Wideband (UWB) bandpass filter using back-to-back microstrip-to-CPW transition structure,” Electronics Letters, vol.41, no.24, Nov. 2005, pp.1337-1338.
  183. H. Wang and L. Zhu, “Aperture-backed microstrip-line stepped-impedance resonators and transformers for performance-enhanced bandpass filters,” IEICE Transactions on Electronics, vol.E89-C, no.3, Mar. 2006, pp.403-409.
  184. S. Sun and L. Zhu, “Novel design of microstrip bandpass filters with a controllable dual-passband response: description and implementation,” IEICE Transactions on Electronics, vol.E89-C, no.2, Feb. 2006, pp.197-202.
  185. Y. Zhang and L. Zhu, “Printed dual spiral-loop wire antenna for broadband circular polarization,” IEEE Transactions on Antennas and Propagation, vol.54, no.1, Jan. 2006, pp.284-288.
  186. H. Wang, L. Zhu and W. Menzel, “Ultra-wideband (UWB) bandpass filter with hybrid microstrip/CPW structure,” IEEE Microwave and Wireless Components Letters, vol.15, no.12, Dec. 2005, pp.844-846.
  187. S. Sun and L. Zhu, “Electromagnetic bandgap enhancement using high-impedance property of offset finite-ground microstrip line,” Microwave and Optical Technology Letters, vol.47, no.6, Dec. 2005, pp.543-546.
  188. L. Zhu and H. Wang, “A novel ultra-wideband (UWB) bandpass filter on aperture-backed microstrip line,” Electronics Letters, vol.41, no.18, Sep. 2005, pp.1015-1016.
  189. H. Wang and L. Zhu, “Microstrip dual-mode bandpass filter with ultra-broad stopband using aperture-backed stepped-impedance ring resonator,” IEICE Transactions on Electronics, vol.E88-C, no.11, Nov. 2005, pp.2166-2168.
  190. L. Zhu, S. Sun and W. Menzel, “Ultra-wideband (UWB) bandpass filters using multiple-mode resonator,” IEEE Microwave and Wireless Components Letters, Vol.15, no.11, Nov.2005, pp.796-798.
  191. J. Gao and L. Zhu, “Characterization of infinite- and finite-extent coplanar waveguide metamaterials with varied left- and right-handed passbands,” IEEE Microwave and Wireless Components Letters, vol.15, no.11, Nov. 2005, pp.805-807.
  192. S. Sun and L. Zhu, “Compact dual-band microstrip bandpass filter without external feeds,” IEEE Microwave and Wireless Components Letters, vol.15, no.10, Oct. 2005, pp.644-646.
  193. H. Wang and L. Zhu, “Side-coupled microstrip open-loop resonator for harmonic-suppressed bandpass filters,” IEICE Transactions on Electronics, vol.E88-C, no.9, Sep. 2005, pp.1893-1895.
  194. Y. Zhang and L. Zhu, “CPS-fed printed dual spiral-loop strip antenna with circular polarization,” Microwave and Optical Technology Letters, vol.46, no.5, Sep. 2005, pp.506-508.
  195. S. Sun and L. Zhu, “Stopband-enhanced and size-miniaturized lowpass filters using high-impedance property of offset finite-ground microstrip line,” IEEE Transactions on Microwave Theory and Techniques, vol.53, no.9, Sep. 2005, pp.2844-2850.
  196. L. Zhu and H. Shi, “Frequency-dependent guided-wave characteristics of periodically series-capacitive loaded coplanar waveguides,” Microwave and Optical Technology Letters, vol.46, no.1, Jul. 2005, pp.54-58.
  197. R. S. Kshetrimayum, L. Zhu and K. J. Vinoy, “Equivalent material parameter extraction of double strip loaded waveguide,” IEICE Electronics Express, vol.2, no.5, Mar. 2005, pp.165-169.
  198. H. Wang and L. Zhu, “Microstrip dual-mode filters with miniaturized size and broadened stopband using meander-shaped stepped-impedance ring resonator,”  IEICE Electronics Express, vol.2, no.5, Mar. 2005, pp.159-164.
  199. S. Sun and L. Zhu, “Periodically nonuniform coupled microstrip lines with equalized even- and odd-mode velocities for harmonic suppression in filter design,” Special Issue on 2004 International Symposium on Antenna and Propagation, IEICE Transactions on Communications, vol.E88-B, no.6, Jun. 2005, pp.2377-2382.
  200. R. S. Kshetrimayum and L. Zhu, “Novel SIS resonators waveguide filters,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 15, no.6, Nov. 2005, pp.560-566.
  201. S. Sun and L. Zhu, “Periodically nonuniform coupled microstrip line filters with harmonic suppression using transmission zero reallocation,” IEEE Transactions on Microwave Theory and Techniques, vol.53, no.5, May 2005, pp.1817-1822.
  202. S. Sun and L. Zhu, “Guided-wave characteristics of periodically nonuniform coupled microstrip lines: even and odd modes,” IEEE Transactions on Microwave Theory and Techniques, vol.53, no.4, Apr. 2005, pp.1221-1227.
  203. R. S. Kshetrimayum and L. Zhu, “Guided-wave characteristics of waveguide based periodic structures loaded with various FSS strip layers,” Special Issues on Artificial Magnetic Conductors, Soft/Hard Surfaces, and Other Complex Surfaces, IEEE Transactions on Antennas and Propagation, vol.53, no.1, Jan. 2005, pp.120-124.
  204. L. Zhu, H. Shi and W. Menzel, “Coupling behaviors of quarter-wavelength impedance transformers for wideband CPW bandpass filters,” IEEE Microwave and Wireless Components Letters, vol.15, no.1, Jan. 2005, pp.13-15.
  205. L. Zhu, B. C. Tan, and S. J. Quek “Miniaturized dual-mode bandpass filter using inductively loaded cross-slotted patch resonator,” IEEE Microwave and Wireless Components Letters, vol.15, no.1, Jan. 2005, pp.22-24.
  206. A. B. Yu, A. Q. Liu, Q. X. Zhang, A. Alphones, L. Zhu and S. A. Peter, “Improvement of isolation for MEMS capacitive switch via membrane planarization,”  Sensors and Actuators A-Physical, 119, 2005, pp.206-213.
  207. H. Wang and L. Zhu, “Aperture-backed microstrip stepped impedance resonator with ultra-broad rejection bandwidth,” Electronics Letters, vol.40, no.19, Sep. 2004, pp.1188-1189.
  208. J. Gao and L. Zhu, “Asymmetric parallel-coupled CPW stages for harmonic suppressed λ/4 bandpass filters,” Electronics Letters, vol.40, no.19, Sep. 2004, pp.1122-1123.
  209. H. Wang and L. Zhu, “Characterization of periodic microstrip line EBG structures with improved bandstop behaviours,” Microwave and Optical Technology Letters, vol.43, no.3, Nov. 2004, pp.242-244.
  210. H. Shi and L. Zhu, “High-impedance transformer for wideband λ/4 CPW bandpass filters,” IEICE Electronics Express, vol.1, no.7, Jul. 2004, pp. 198-203.
  211. J. Gao and L. Zhu, “Accurate circuit models of CPW coupling elements for application to design of compact quarter-wavelength bandpass filters,” International Journal of RF and microwave Computer-Aided Engineering, vol. 14, no.5, Sep.2004, pp.453-461.
  212. L. Zhu and W. Menzel, “Broad-band microstrip-to-CPW transition via frequency-dependent electromagnetic coupling,” IEEE Transactions on Microwave Theory and Techniques, vol.52, no. 5, May 2004, pp.1517-1522.
  213. R. S. Kshetrimayum and L. Zhu, “Hybrid MoM-immitance approach for full-wave characterization of printed strips and slots in layered waveguide and its applications,” IEICE Trans Electronics, vol.E87-C, no.5, May 2004, pp.700-707.
  214. S. Sun and L. Zhu, “Unified equivalent circuit model of finite-ground microstrip line open-end discontinuities using MoM-SOC technique,” IEICE Trans Electronics, vol.E87-C, no.5, May 2004, pp.828-831.
  215. J. Gao and L. Zhu, “Investigation on asymmetric parallel-coupled CPW for λ/4 bandpass filters with broad rejection band,” IEICE Electronics Express, vol.1, no.1, Apr. 2004, pp.1-6.
  216. L. Zhu, “Guided-wave characteristics of periodic microstrip lines with inductive loading: slow-wave and bandstop behaviours,” Microwave and Optical Technology Letters, vol.41, no.2, Apr. 2004, pp. 77-79.
  217. L. Zhu, R. Fu and K. L. Wu, “A novel broadband microstrip-fed wide slot antenna with double rejection zeros,” IEEE Antennas Wireless Propagation Letters, vol.2, 2003, pp194-196.
  218. L. Zhu and T. Yakabe, “Fullwave MoM-SOC technique for extraction of equivalent circuit models coplanar waveguide discontinuities: CPW- and CSL-mode cases,” IEICE Trans Electronics, November, vol. E86-C, no.11, Nov. 2003, pp.2292-2299.
  219. L. Zhu, “Guided-wave characteristics of periodic coplanar waveguides with inductive loading – unit-length transmission parameters,” IEEE Transactions on Microwave Theory and Techniques, vol.51, no.10, Oct. 2003, pp.2133-2138.
  220. L Zhu, “Unified 3-D definition of CPW- and CSL-mode characteristic impedances of coplanar waveguide using MoM-SOC technique,” IEEE Microwave and Wireless Components Letters, vol.13, no.4, Apr. 2003, pp.158-160.
  221. L. Zhu and K. Li, “CPW-fed rectangular microstrip ring antenna for suppression of parasitic backside radiation”, Microwave and Optical Technology Letters, vol.36, no.1, Jan. 2003, pp.65-67.
  222. L. Zhu and W. Menzel, “Compact microstrip bandpass filter with two transmission zeros using a stub-tapped half-wavelength line resonator,” IEEE Microwave and Wireless Components Letters, vol.13, no.1, Jan. 2003, pp.16-18.
  223. W. Menzel, L. Zhu, K. Wu and F. Bögelsack, “On the design of novel compact broadband planar filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 51, no.2, Feb. 2003, pp.364-370.
  224. L. Li, K. Wu and L. Zhu, “Numerical TRL calibration technique for parameter extraction of planar integrated discontinuities in a deterministic MoM algorithm,” IEEE Microwave and Wireless Components Letters, vol. 12, no.12, Dec. 2002, pp.485-487.
  225. L. Zhu and K. Wu, “Corrections to ‘accurate circuit model of interdigital capacitor and its application to design of new quasi-lumped miniaturized filters with suppression of harmonic resonance’”, IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 10, Oct. 2002, pp.2412-2413.
  226. L. Zhu, H. Bu and K. Wu, “Broadband and compact multi-pole microstrip bandpass filters using ground plane aperture technique,” IEE Proc- Microwave and Antenna Propagation, vol.149, no.1, Feb. 2002, pp. 71-77.
  227. L Zhu and K Wu, “Short-open calibration technique for field theory-based parameter extraction of lumped-elements of planar integrated circuits,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 8, Aug. 2002, pp. 1861-1869.
  228. L. Zhu, “Realistic equivalent circuit model of coplanar waveguide open circuit: lossy shunt resonator network,” IEEE Microwave and wireless components Letters, vol. 12, no. 5, May 2002, pp. 175-177.
  229. L. Zhu and K. Wu, “Characterization of finite-ground CPW reactive series-connected elements for innovative design of uniplanar M(H)MICs,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 2, Feb. 2002, pp. 549-557.
  230. L. Zhu and K. Wu, “Comparative investigation on numerical de-embedding techniques for equivalent circuit modelling of lumped and distributed microstrip circuits,” IEEE Microwave and Wireless Components Letters, vol. 12, no. 2, Feb. 2002, pp. 51-53.
  231. L. Zhu and K. Wu, “Field-extracted lumped-element models of coplanar stripline (CPS) circuits and discontinuities for accurate radio-frequency design and optimization,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 4, Apr. 2002, pp.1207-1215.
  232. L. Zhu and K. Wu, “Accurate circuit model of interdigital capacitor and its application to design of new quasi-lumped miniaturized filters with suppression of harmonic resonance,” IEEE Transactions on Microwave Theory and Techniques, vol. 48, no. 3, Mar. 2000, pp.347-356.
  233. L. Zhu and K. Wu, “Ultra-broadband vertical transition for multilayer integrated circuits,” IEEE Microwave and Guided Wave Letters, vol. 9, no. 11, Nov. 1999, pp.453-455.
  234. L. Zhu and K Wu, “A joint field/circuit model of line-to-ring coupling structure and its application to design of microstrip dual-mode filters and ring resonator circuits,” IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 10, Oct. 1999, pp.1938-1948.
  235. L. Zhu and K. Wu, “Unified equivalent circuit model of planar discontinuities suitable for field theory-based CAD and optimization of M(H)MICs,” IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 9, Pt.I, Sep. 1999, pp.1589-1602.
  236. L. Zhu and K. Wu, “Model-based characterization of CPS-fed printed dipole for innovative design of uniplanar integrated antenna,” IEEE Microwave and Guided Wave Letters, vol. 9, no. 9, Sep. 1999, pp.342-344.
  237. L. Zhu and K. Wu, “Complete circuit model of microstrip-fed slot radiator: theory and experiments,” IEEE Microwave and Guided Wave Letters, Vol. 9, No. 8, Aug. 1999, pp.305-307.
  238. L. Zhu, P. Wecowski and K. Wu, “New planar dual-mode filter using cross-slotted patch resonator for simultaneous size and loss reduction”, IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 5, May 1999, pp.650-654.
  239. L. Zhu and K. Wu, “Author’s reply” to the “comments on revisiting characteristic impedance and its definition of microstrip line with a self-calibration 3D MoM scheme” By James C. Rautio, IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 1, Jan. 1999, pp.117-119.
  240. L. Zhu and K. Wu, “Network equivalence of port discontinuity related to the source plane in a deterministic 3-D method of moments”, IEEE Microwave and Guided Wave Letters, vol. 8, no. 3, Mar.1998, pp.130-132.
  241. L. Zhu and K. Wu, “Revisiting characteristic impedance and its definition of microstrip line with a self-calibration 3D MoM scheme”, IEEE Microwave and Guided Wave Letters, vol. 8, no. 2, Feb. 1998, pp.87-89.
  242. L. Zhu and K. Wu, “Characterization of unbounded multiport microstrip passive circuits using an explicit network-based method of moments”, IEEE Transactions on Microwave Theory and Techniques, vol. 45, no. 12, Part I, Dec. 1997, pp. 2114-2124.
  243. L. Zhu and E. Yamashita, “Effects of conductor edge profile on transmission properties of conductor-backed coplanar waveguides”, IEEE Transactions on Microwave Theory and Techniques, vol. 43, no. 4, Apr. 1995, pp.847-853.
  244. L. Zhu and E. Yamashita, “Full-wave boundary integral equation method for suspended planar transmission lines with pedestals and finite metallization thickness”, IEEE Transactions on Microwave Theory and Techniques, vol. 41, no. 3, Mar. 1993, pp.478-483.
  245. L. Zhu and E. Yamashita, “Full-wave analysis of strip transmission line on dielectric rod”, IEEE Microwave and Guided Wave Letters, vol. 2, no. 12, Dec. 1992, pp.478-479.
  246. Y. Qian, L. Zhu and E. Yamashita, “Characterization of picosecond pulse propagation in a microstrip line divider”, IEEE Microwave and Guided Wave Letters, vol. 2, no. 5, May 1992, pp.191-193.
  247. L. Zhu and E. Yamashita, “Accurate analysis of various planar transmission lines with finite metallization thickness using eigen-function weighted boundary integral equation method”, IEICE Transactions on Electronics, vol. E-75, no. 2, Feb. 1992, pp.259-266.
  248. L. Zhu and E. Yamashita, “New method for the analysis of dispersion characteristics of various transmission lines with finite metallization thickness”, IEEE Microwave and Guided Wave Letters, vol. 1, no. 7, Jul. 1991, pp.164-166.
  249. L. Zhu and W. Zhang, “The bandwidth of single-mode operation in groove NRD waveguide”, International Journal of Infrared and Millimeter Waves, vol. 10, no. 3, 1989, pp.371-379.
  250. L. Xiao, L. Zhu and W. Zhang, “Analysis of the mono-groove NRD waveguide and antenna”, International Journal of Infrared and Millimeter Waves, vol. 10, no. 3, 1989, pp.361-370.
  251. L. Zhu and W. Zhang, “Solution of arbitrary cross-section waveguide using the method of eigen weighted boundary integral equation”, Journal of Electronics, vol. 7, no. 3, Jul. 1990, pp.258-262.
  252. L. Zhu, L. Xiao and W. Zhang, “Characteristics of coupled groove nonradiative dielectric waveguides”, The Journal of Microwaves (in Chinese), no. 1, 1989, pp. 1-7.
  253. L. Zhu and W. Zhang, “Study of groove nonradiative dielectric waveguide and leaky-wave antenna”, (in Chinese) Journal of Nanjing Institute of Technology, vol. 18, no. 1, pp.98-105, January 1988; (English Edition) Journal of Southeast University, vol. 5, No. 1, May 1989, pp. 9-14.
  254. W. Zhang and L. Zhu, “New leaky-wave antenna for millimeter waves constructed from groove NRD waveguide”, Electronics Letters, vol. 23, no. 22, Oct. 1987, pp. 1191-1192.

Conference papers (132 Papers):

  1. N.-W. Liu, L. Zhu, and W.-W. Choi, “Low-profile wide-bandwidth patch antenna under operation of TM0,1/2 and TM2,1/2 modes ,” (Best Paper Award) in Proceedings of 2017 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2017), Chenzhou, Hunan, 21-24 Jul., 2017, Paper No.: CSQRWC-2017-34.
  2. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Wideband phase shifters on multimode resonator,” in Proceedings of 2017 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2017), Chenzhou, Hunan, 21-24 Jul., 2017, Paper No.: CSQRWC-2017-37.
  3. D. Xie and L. Zhu, “Numerical de-embedding of propagation characteristics of EH1-mode microstrip line with periodical loading of shorting pins,” (invited) in Proceedings of 2017 International Applied Computational Electromagnetics Society (ACES) Symposium, Suzhou, 1-4 Aug., 2017, Paper No.: WE3-D2.
  4. J.-y. Lin, S.W. Wong and L. Zhu, “High-isolation diplexer on triple-mode cavity filters,” in Proceedings of 2017 IEEE MTT-S International Microwave Symposium, Honolulu, 4-9 Jun., 2017, Paper No.: WEIF1-5.
  5. X. Zhang and L. Zhu, “Pin-loaded circularly-polarized patch antenna with enhanced gain,” in Proceedings of 10th Global Symposium on Millimeter-Waves, Hong Kong, 24-26 May, 2017, pp.58-60.
  6. X. Jing, L. J. Jiang, S. Sun, and L. Zhu, “A patch-resonator-based butler matrix with new triangular phase shifters,” in Proceedings of 2016 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Fajardo, 26 Jun. - 1 Jul., 2016, pp.61-62.
  7. Z. Liu, G. Xiao, and L. Zhu, “A novel method to design triple-mode SIW filter based on the complementary split ring resonators (CSRRs),” in Proceedings of 2016 IEEE MTT-S International Microwave Symposium, San Francisco, 22-27 May, 2016, Paper No.: WEIF2-20.
  8. X. Guo, L. Zhu, and W. Wu, “Research on slotline stub-loaded resonator and hybrid stub-loaded resonator for differential wideband filters,” (Best Student Paper Award) 2016 IEEE International Workshop on Electromagnetics (iWEM), 16-18 May, 2016, Paper No.: MO1H_21.
  9. L. Li, J. Zhang, W.-j. Lu, W.-h. Zhang, and L. Zhu, “Dual-mode Planar End-fire Circularly Polarized Antenna,” (1 of 22 Shortlisted Papers for Student Paper Contest) 2016 IEEE International Workshop on Electromagnetics (iWEM), Nanjing, 16-18 May, 2016, Paper No.: MO1H_5.
  10. Z. Liu, L. Zhu, and G. B. Xiao, “Propagation Characteristics of Corrugated Substrate Integrated Waveguide with No Metallic Vias,” (Invited) 2016 IEEE International Workshop on Electromagnetics (iWEM), Nanjing, 16-18 May, 2016, Paper No.: TU3A_1.
  11. Z.-S. Zhang, Y. Chen, C.-R. Guo, W.-J. Lu, and L. Zhu, “Conceptual design of a circularly polarized non-uniform square loop antenna,” 2016 IEEE International Workshop on Electromagnetics (iWEM), Nanjing, 16-18 May, 2016, Paper No.: TU4C_1.
  12. L. Zhu, Q. Wu and S.-W. Wong, “Numerical SOC/SOL calibration technique for de-embedding of periodic guided-wave structures,” (Shortlisted for Best Paper) 2016 IEEE International Conference on Computational Electromagnetics (ICCEM), Guangzhou, 23-25 Feb., 2016, pp. 325-327.
  13. S. F. Feng, S.-W. Wong, F. Deng, L. Zhu and Q. X. Chu, “Triple-mode wideband bandpass filter using single rectangular waveguide cavity,” 2016 IEEE International Conference on Computational Electromagnetics (ICCEM), Guangzhou, 23-25 Feb., 2016, pp.117-119.
  14. L. Zhu, S. Sun and J. Gao, “Numerical short-open calibration (SOC) technique for de-embedding of periodic planar transmission line structures: effective propagation constant and characteristic impedance,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 620_2_0.
  15. L. Zhu and S. Zhang, “Fully canonical bandpass filter with planar quarter-wavelength stepped impedance resonators,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 60_1_0.
  16. X. Zhang and L. Zhu, “An impedance-agile microstrip patch antenna loaded with a shorting pin,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 342_2_0.
  17. Q.-S. Wu and L. Zhu, “Numerical short-open-load (SOL) de-embedding of effective wave impedances of substrate integrated waveguide with square or circular vias,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 50_3_0.
  18. X. Guo, L. Zhu and W. Wu, “A novel design method of wideband differential bandpass filters on the multimode slotline resonator,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 386_3_0.
  19. D. Chen, W. Zhu, H. Bu, L. Zhu and C. Cheng, “A dual-band bandpass filter using a transversal-interference multimode resonator,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 175_5_0.
  20. G.-H. Sun, S.-W. Wong, Q.-K. Huang, L. Zhu and Q.-X. Chu, “A novel wideband grid array antenna with vertical radiation elements,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 38_3_0.
  21. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Wideband vertical microstrip-to-microstrip transition designed with cross-coupled microstrip/slotline resonators,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 387_4_0.
  22. S.-W. Wong, S.-F. Feng and L. Zhu, “Multi-mode wideband bandpass filters using waveguide cavities,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 1072_1_0.
  23. L. Zhu, Y. Luo and Q.-X. Chu, “Studies on planar circularly polarized antennas with wide axial ratio beamwidth” (轴比宽波束圆极化平面天线的研究(特邀报告)), Proceedings of 2015 CIE National Conference on Antennas, Paper No. 670, Nanchang, China, 18-21 Oct. 2015.
  24. X. Zhang and L. Zhu, “An impedance-agile microstrip patch antenna with loading of a shorting pin,” (基于短路针加载的阻抗可调的微带贴片天线), Proceedings of 2015 CIE National Conference on Antennas, Paper No. 6172, Nanchang, China, 18-21 Oct. 2015
  25. X. Guo, W. Wu and L. Zhu, “A wideband vertical microstrip-to-microstrip transition on two dual-mode slotline resonators,” Proceedings of 45th European Microwave Conference (EuMC), Sep. 2015, pp.363-366.
  26. S. Sun and L. Zhu, “Full-wave modeling and characterization of guided-wave and periodic structures,” (Invited) IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Suzhou, Jul. 2015, TA4-4.
  27. Z. Liu, L. Zhu, Q. S. Wu and G. B. Xiao, “A short-open calibration (SOC) technique to calculate the propagation characteristics of substrate integrated waveguide,” IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Suzhou, Jul. 2015, FP3-1.
  28. W. Zhu, D. Chen, H. Bu, L. Zhu and C. Cheng, “Wideband slotline-ring-resonator bandpass filters under triple resonances,” IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Suzhou, Jul. 2015, POSTER-39.
  29. Z. Liu, L. Zhu, Q. S. Wu and X. B. Gao, “A short-open calibration (SOC) technique to de-embed the complex propagation constant of SIW,” in Proceedings of IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Jul. 2015, pp.1482-1483.
  30. Y. Luo, Q.-X. Chu and L. Zhu, “A novel planar circularly-polarized antenna using stepped-width cross-dipole,” in Proceedings of IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Jul. 2015, 1924-1925.
  31. Q. Wu and L. Zhu, “Numerical extraction of propagation constant and characteristic impedance of substrate integrated waveguide (SIW),” (介质集成波导的传播常数和特性阻抗的数值提取), Proceedings of 2015 National Conference on Microwave and Millimeter Waves, Paper No. 196, Hefei, 30 May - 2 June 2015.
  32. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Wideband Vertical Microstrip-to-Microstrip Transition Through the Highpass-Filter Topology,” (基于高通滤波器模型设计的宽带垂直微带线-微带线过渡器), Proceedings of 2015 National Conference on Microwave and Millimeter Waves, Paper No. 166, Hefei, 30 May - 2 June 2015.
  33. K. Wang, Z.-C. Guo, S.-W. Wong, Z.-H. Chen, L. Zhu, R.-S. Chen and Q.-X. Chu, “Novel SIW bandpass filters using loaded posts for application in 5.8GHz WLAN System,” in Proceedings of 2015 International Wireless Symposium, Shenzhen, DOI: 10.1109/IEEE-IWS.2015.7164523.
  34. L. Zhu and S. Sun, “A review on numerical calibration and de-embedding techniques in fullwave algorithms”, in Proceedings of IEEE International Conference on Computational Electromagnetics, Feb. 2015, pp.150-152.
  35. S. Sun and L. Zhu, “Mode perturbations of a ring resonator for wideband and multiband filters,” in 2014 URSI General Assembly and Scientific Symposium, Aug. 2014, Paper No. 6929371. (URSI Young Scientists Award)
  36. S. Zhang and L. Zhu, “Compact quadruplet bandpass filter on λ/4 resonators,” in Proceedings of 2014 International Wireless Symposium, Xi’an, China, Paper No. 6864175.
  37. D. Chen, L. Zhu and C. Cheng, “Wideband microstrip-line 3-dB power divider under triple-mode resonance,” in Proceedings of 2014 International Wireless Symposium, Xi’an, China, Paper No. 6864207.
  38. X. Huang, Q. Feng, L. Zhu, Q. Xiang, “Triple-mode dual-band bandpass filter on microstrip-to-CPW structure,” in Proceedings of 2014 International Wireless Symposium, Xi’an, China, Paper No. 6864193.
  39. X. Huang, Q. Feng, L. Zhu, and Q. Xiang, “A constant absolute bandwidth tunable filter using varactor-loaded open-loop resonators,” in Proceedings of 2013 Asia-Pacific Microwave Conference, Nov. 2013, pp.872-874.
  40. S. Zhang and L. Zhu, “Compact microstrip dual-band bandpass filter with quarter-wavelength stepped impedance resonators,” (Awarded as the Second Place in Student Paper Competition, of 11 finalists), Proceedings of 2013 IEEE MTT-S International Wireless Symposium (IWS), April 2013, Beijing, China.
  41. R. Zhang, L. Zhu and S. Luo, “Design methodology of a class of triple-mode bandpass filters using a patch-loaded cross resonator,” in Proceedings 2013 IEEE MTT-S International Wireless Symposium (IWS), April 2013, Beijing, China.
  42. S. Zhang and L. Zhu, “Triple-mode bandpass filters on stub-loaded resonator with novel I/O coupling scheme,” in Proceedings of 2012 Asia-Pacific Microwave Conference, Kaohsiung, December 2012, pp.532-534.
  43. S. Zhang and L. Zhu, “General synthesis method for symmetrical even-order Chebyshev bandpass filter,” in Proceedings of 2012 Asia-Pacific Microwave Conference, Kaohsiung, December 2012, pp.667-669.
  44. R. Zhang, L. Zhu and S. Luo, “Compact dual-band microstrip bandpass filters using composite cross and open/short-circuited E-shaped resonators,” in Proceedings of 2012 Asia-Pacific Microwave Conference, Kaohsiung, December 2012, pp.664-666.
  45. R. Zhang and L. Zhu, “A new triple-mode microstrip bandpass filter using a patch-loaded cross resonator,”  in Proceedings of 2012 IEEE MTT-S International Microwave Symposium, Jun 2012, art. no. 6258267.
  46. R. Zhang, L. Zhu and S. Luo, “Characterization of a slotted circular patch resonator for adjustable dual-mode dual-band bandpass filters,” in Proceedings of 2012 IEEE MTT-S International Microwave Symposium, Jun 2012, art. no. 6258268.
  47. S. Luo, L. Zhu and S. Sun, “New studies on microstrip ring resonators for compact dual-mode dual- and triple-band bandpass filters (Invited)”, in 2011 IEEE Electrical Design of Advanced Packaging & Systems Symposium (EDAPS), Hangzhou, Dec 2011, Paper No.: TS-14-3-13.
  48. R. Li, S. Sun and L. Zhu, “Short-circuited series stub for application in uniplanar low-pass filters,” in 2010 Asia-Pacific Microwave Conference Proceedings, Yokohama, December 2010, pp.1154-1157.
  49. S. Luo, L. Zhu and S. Sun, “Coupled microstrip-line bandpass filters with wide upper stopband and high frequency selectivity  ” in Proceedings of 2010 International Conference on Communications, Circuits and Systems, Chengdu, July 28-30, 2010, pp.692-695.
  50. S. Luo, L. Zhu and S. Sun, “A dual-mode dual-band bandpass filter using a single ring resonator,” (Shortlisted for APMC’09 Student Paper Prize) in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.921-924.
  51. S. W. Wong, L. Zhu, L. C. Quek and Z. N. Chen, “A stopband-enhanced UWB bandpass filter using short-/open-stubs embedded ring resonator,” in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.913-916.
  52. S. Sun, R. Li, L. Zhu and W. Menzel, “Studies on synthesis design of ultra-wideband parallel-coupled line bandpass filters with Chebyshev responses,” (Shortlisted for APMC’09 Prize) in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.155-158.
  53. T. B. Lim and L. Zhu, “Differential-mode wideband bandpass filter with three transmission zeros under common-mode operation,” (Shortlisted for APMC’09 Prize) in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.159-162.
  54. S. Sun and L. Zhu, “Improved formulas for synthesizing multiple-mode-resonator-based UWB bandpass filters,” in Proceedings of 39th European Microwave Conference, Rome, October 2009, pp.299-302.
  55. S. Sun and L. Zhu, “Wideband microstrip ring resonator bandpass filter with asymmetrically-loaded stubs,” (Shortlisted for APMC’08 Prize) in 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, December 2008, pp.329-332.
  56. S. Luo, L. Zhu and S. Sun, “Compact Chebyshev-function low-pass filters with stepped-impedance hairpin unit,” (Shortlisted for APMC’08 Prize) in 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, December 2008, pp.321-324.
  57. S. W. Wong and L. Zhu, “Ultra-wideband power dividers with good isolation and sharp roll-off skirt,” in 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, December 2008, pp.2272-2275.
  58. T. B. Lim and L. Zhu, “Compact microstrip-to-CPS transition for UWB application,” in Proceedings of 2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF & Microwave Passive Components, Chengdu, December 2008, pp.153-156.
  59. S. W. Wong and L. Zhu, “Miniaturization of triple-mode UWB bandpass filetrs with extended upper-stopband,” in Proceedings of 2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF & Microwave Passive Components, Chengdu, December 2008, pp.102-105.
  60. L. Zhu, “Effective 1-D material properties of coplanar-waveguide-based EBG- and meta-materials,” (Invited Speaker) in Proceedings of 2008 International Workshop on Metamaterials, Nanjing, November 2008, Paper No. 03-3.
  61. S. Sun and L. Zhu, “Wideband microstrip bandpass filters with asymmetrically-loaded interdigital coupled lines,” in 2008 International Conference on Microwave and Millimeter Wave Technology Proceedings, Nanjing, March 2008, art. no. 4540287, pp. 10-13.
  62. R. Li and L. Zhu, “Compact UWB bandpass filter on hybrid microstrip/slotline structure with improved out-of-band performances,” in 2008 International Conference on Microwave and Millimeter Wave Technology Proceedings, Nanjing, March 2008, art. no. 4540286, pp. 6-9.
  63. S. W. Wong, L. Zhu and S. Sun, “Ultra-wideband microstrip-line bandpass filters with good out-of-band performance using EBG-embedded multiple-mode resonator,” in 2007 Asia-Pacific Microwave Conference (APMC'07), Bangkok, December 2007, art. no. 4554766.
  64. S. W. Wong and L. Zhu, “Ultra-wideband (UWB) microstrip bandpass filters with improved upper-stopband and miniaturized size,” in 2007 Asia-Pacific Microwave Conference (APMC'07), Bangkok, December 2007, art. no. 4555158.
  65. S. Sun and L. Zhu, “Short-open calibration technique for field theory-based parametric extraction of planar discontinuities with nonuniform feed lines,” in 2007 IEEE MTT-S International Microwave Symposium Digest, USA, June 2007, pp. 273-276.
  66. S. W. Wong and L. Zhu, “EBG-embedded UWB bandpass filter with widened upper-stopband,” in Proceedings of 2006 International Symposium on Antennas and Propagation, November 1-4, 2006, Singapore, Paper code: a313_r298.
  67. L. Zhu, “Periodically loaded transmission line media/materials with infinite extent on coplanar waveguide: guided-wave performances,” (Invited Speaker), in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC'06), Yokohama, December 2006, Vol. 1, pp.363-370.
  68. J. Gao and L. Zhu, “Guided-wave characteristics of coplanar waveguide metamaterials composed of unsymmetrical unit cells,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC'06), Yokohama, December 2006, Vol. 2, pp.1083-1086.
  69. H. Wang, L. Zhu, W. Menzel and Z. N. Chen, “Ultra-wideband (UWB) bandpass filters using hybrid microstrip/CPW structures,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC'06), Yokohama, December 2006, Vol. 2, pp.1216-1219.
  70. J.Gao and L. Zhu, “Analysis and Optimization of Ultra-wideband bandpass filters on coplanar waveguide,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC'06), Yokohama, December 2006, Vol. 1, pp.25-28.
  71. S. W. Wong, S. Sun, L. Zhu, Z. N. Chen, “Ultra-wideband (UWB) bandpass filters with improved upper-stopband performance,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC'06), Yokohama, December 2006, Vol. 1, pp.29-32.
  72. S. Sun, L. Zhu and K. S. Ang, “Multisection vialess baluns with coupled-line impedance transformers,” in 2006 IEEE MTT-S International Microwave Symposium Digest, USA, June 2006, pp.1149-1152.
  73. H. Wang and L. Zhu, “Aperture-backed microstrip line multiple-mode resonator for design of a novel UWB bandpass filter,” in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 4, pp. 2276-2279.
  74. S. Sun and L. Zhu, “Novel design of dual-band microstrip bandpass filters with good in-between isolation,” in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 2, pp. 729-732.
  75. J. Gao and L. Zhu, “Per-unit-length parameters of 1-D CPW metamaterials with simultaneously series-C and shunt-L loading,” (Invited Paper) in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 1, pp. 39-42.
  76. W. Menzel, M. S. R. Tito and L. Zhu, “Low-loss ultra-wideband (UWB) filters using suspended stripline,” in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 4, pp. 2148-2151.
  77. S. Sun and L. Zhu, “Coupling dispersion of parallel-coupled microstrip lines with controllable fractional pass bandwidths,” in 2005 IEEE MTT-S International Microwave Symposium Digest, USA, June 2005, pp.2195-2198.
  78. H. Wang and L. Zhu, “Microstrip Bandpass filters with ultra-broad rejection band using stepped impedance resonator and high-impedance transformer,”  in 2005 IEEE MTT-S International Microwave Symposium Digest, USA, June 2005, pp.683-686.
  79. R. Fu and L. Zhu, “Printed U-shaped slot antennas fed by CPW via inductive coupling,” in Proceedings of IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, Singapore, March 7-9, 2005, pp.303-306.
  80. J. Gao and L. Zhu, “Guided-wave characteristics of CPW transmission line metamaterials: effective per-unit-length parameters,” in Proceedings of IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, Singapore, March 7-9, 2005, pp.175-178.
  81. S. Sun and L. Zhu, “Periodic finite-ground microstrip line with high-impedance offset sections: enhanced electromagnetic Bandgap,” in Proceedings of IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, Singapore, March 7-9, 2005, pp.383-386.
  82. S. Sun and L. Zhu, “Guided-wave characteristics of periodically nonuniform coupled microstrip lines for harmonic suppression in filter design,” in Proceedings of 2004 International Symposium on Antennas and Propagation, Sendai, Japan, August, 2004, pp.469-472.
  83. K. R. Singh and L. Zhu, “A novel waveguide based metamaterials,” in Proceedings of 2004 International Symposium on Antennas and Propagation, Sendai, Japan, August, 2004, pp.449-452.
  84. L. Zhu, H. Shi and T. Yakabe, “Characterization of periodic CPW structures with inductive loading using cascaded transmission line network: guided-wave propagation,” in Proceedings of 2003 Asia-Pacific Microwave Conference, Seoul, Korea, November 2003, pp.1458-1461.
  85. K. R. Singh and L. Zhu, “Equivalent circuit model of planar strips in layered waveguide for synthesis design of printed periodic waveguide structures,” in Proceedings of 2003 Asia-Pacific Microwave Conference, Seoul, Korea, November 2003, pp.471-474.
  86. L. Zhu, “Bandgap transmission characteristics of finite-periodic coplanar waveguide,” in Proceeding of 2003 Progress in Electromagnetic Research Symposium, Singapore, January 2003, pp.75.
  87. K. R. Singh and L. Zhu, “Multimode network equivalence of waveguide discontinuities using full-wave method of moments for spatial power combining system,” Proceedings of 2003 Progress in Electromagnetic Research Symposium, Singapore, January 2003, pp. 72.
  88. L. Zhu, “Slow-wave and bandgap transmission characteristics of finite-periodic coplanar waveguide,” in Proceedings of 2002 Asia-Pacific Microwave Conference, Kyoto, Japan, November 2002, pp.1153-1156.
  89. L. Zhu and W. Menzel, “Stub-tapped line resonator for innovative design of compact microstrip bandpass filter with double transmission zeros,” in Proceedings of 2002 Asia-Pacific Microwave Conference, Kyoto, Japan, November 2002, pp.775-778.
  90. L. Zhu, “A generalized short-open calibration technique for accurate de-embedding microstrip integrated circuits from fullwave MoM simulation,” (Invited Paper) in Proceedings of 4th Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory, Fukuoka, Japan, November, 2002, pp. 173-180.
  91. L. Zhu, W. Menzel, K. Wu and F. Boegelsack, “Theoretical characterization and experimental verification of a novel compact broadband microstrip bandpass filter,” in Proceedings of 2001 Asia-Pacific Microwave Conference, Taipei, Taiwan, December 2001, pp. 625-628.
  92. W. Menzel, L. Zhu, K. Wu and F. Boegelsack, “Compact broadband planar filters,” in Proceedings of 31st European Microwave Conference, London, UK, September 2001, pp. 41-44.
  93. L. Zhu, H. Bu and K. Wu, "Aperture compensation and multipole generation techniques leading to the emergence of a new planar filter,” in 2000 Asia-Pacific Microwave Conference Proceedings, December 2000, pp.1310-1314.
  94. L. Zhu, H. Bu, K. Wu and M. S. Leong, “Miniaturized multi-pole broad-band microstrip bandpass filter: Concept and Verification,” in Proceedings of 30th European Microwave Conference, Vol.3, Paris, October 2000, pp.334-337.
  95. L. Zhu, H. Bu, K. Wu and M. Stubbs, “Unified CAD model of microstrip line with backside aperture for multilayer integrated circuits,” in 2000 IEEE MTT-S International Microwave Symposium Digest, USA, June 2000, pp. 981-984.
  96. L. Zhu, H. Bu and K. Wu, “Aperture compensation technique for innovative design of ultra-broadband microstrip bandpass filter,” in 2000 IEEE MTT-S International Microwave Symposium Digest, USA, June 2000, pp. 315-318.
  97. K. Wu and L. Zhu, “Accurate parameter extraction and joint field/circuit model of uniplanar and multi-layer microwave and millimeter wave monolithic and hybrid integrated circuits and antennas,” (invited paper) in 1999 Asia-Pacific Microwave Conference Proceedings, Singapore, November & December 1999, pp.107-111.
  98. L. Zhu and K. Wu, “Model-based characterization of finite-periodic finite-ground coplanar waveguides,” in 1999 Asia-Pacific Microwave Conference Proceedings, Singapore, November/December 1999, pp. 112-115.
  99. L. Zhu and K. Wu, “Multilayered coupled-microstrip lines technique with aperture compensation for innovative planar filter design,” in 1999 Asia-Pacific Microwave Conference Proceedings, Singapore, November & December 1999, pp. 303-306.
  100. L. Zhu and K. Wu, “Numerical de-embedding procedure and unified circuit model for planar integrated circuits,” (invited paper), Session 9: Global Circuit Modelling for Millimeter-Wave Circuits and Devices, Terahertz and Gigahertz Photonics, in Proceedings of SPIE-The International Society for Optical Engineering, Vol. 3795, USA, July 1999, pp. 400-411.
  101. K. Wu and L. Zhu, “Unified accurate CAD models for RF, microwave and millimeter-wave integrated circuits,” (invited paper), in Proceedings of 4th International Conference On Telecommunications in Modern Satellite, Cable and Broadcasting Services (Telsiks’99), Yugoslavia, October 1999, pp. 6 –13.
  102. K. Wu, R. Chen, L. Zhu and E. K. Yung, “Hybrid scheme paradigm of efficient numerical modeling and accurate parameter extraction for complex microwave and millimeter-wave integrated circuits and structures,” Workshop M-MoW2: Hybrid Numerical Modelling of Electromagnetic Fields, in Proceeding of 29th European Microwave Conference, Germany, October 1999.
  103. L. Zhu and K. Wu, “Short-open calibration (SOC) technique for unified circuit representation of microstrip-fed slot antennas,” in Proceedings of 29th European Microwave Conference, Vol. III, pp.59-62, Munich, October 1999.
  104. L. Zhu and K. Wu, “Unified circuit model of finite-ground CPW inductive series-connected elements for innovative design of uniplanar M(H)MICs”, in Proceedings of 29th European Microwave Conference, Vol. III, Munich, October 1999, pp. 59-62.
  105. L. Zhu and K. Wu, “Hybrid FGCPW/CPS scheme in the building block design of low-cost uniplanar and multilayer circuit and antenna,” in 1999 IEEE MTT-S International Microwave Symposium Digest, Anaheim, June 1999, pp. 867-870.
  106. L. Zhu and K. Wu, “Unified CAD-oriented circuit model of finite-ground coplanar waveguide gap structure for uniplanar M(H)MICs”, in 1999 IEEE MTT-S International Microwave Symposium Digest, Anaheim, June 1999, pp. 39-42.
  107. L. Zhu and K. Wu, “Circuit model and input impedance of feeding structures for coplanar stripline (CPS) printed dipole antenna,” in Proceedings of 1998 Asia-Pacific Microwave Conference, Japan, December 1998, pp.1397-1400.
  108. L. Zhu and K. Wu, “Loss reduction techniques and layout design consideration for planar integrated RF feeds”, in Proceedings of Symposium on Antenna Technology and Applied Electromagnetics (ANTEM 98), Canada, August 1998, pp.455-458.
  109. L. Zhu and K. Wu, “A general-purpose circuit model of interdigital capacitor for accurate design of low-loss microstrip circuit”, in 1998 IEEE MTT-S International Microwave Symposium Digest, Baltimore, June 1998, pp.1755-1758.
  110. L. Zhu and K. Wu, “A joint field/circuit design model of microstrip ring dual-mode filter: theory and experiments,” (Awarded as one of two Asia-Pacific Microwave Prizes) in Proceedings of 1997 Asia-Pacific Microwave Conference, Hong Kong, December 1997, pp. 865-868.
  111. L. Zhu and K. Wu, “Field theoretical-based design and optimisation of compact multiple gap coupled microstrip filter with loaded stub”, in Proceedings of 1997 Asia-Pacific Microwave Conference, Hong Kong, December 1997, pp. 869-872.
  112. L. Zhu and K. Wu, “Open-short calibration (SOC) technique in the MOM for circuit representation of microstrip discontinuities,” in Proceedings of 1997 Progress in Electromagnetic Research Symposium, USA, July 1997, pp. 62.
  113. L. Zhu and K. Wu, “Accurate CAD-oriented circuit models for interdigital capacitors based on 3D MOM technique,” in Proceedings of 1997 Progress in Electromagnetic Research Symposium, USA, July 1997, pp. 63.
  114. L. Zhu and K. Wu, “Line-to-ring coupling circuit model and its parametric effects for optimised design of microstrip ring circuits and antennas”, in 1997 IEEE MTT-S International Microwave Symposium Digest, USA, June 1997, pp.289-292.
  115. L. Zhu, E. Yamashita and I. Joishi, “Spectral domain analysis of circularly polarized rectangular patch antennas with a dielectric superstrate”, in 1996 IEEE AP-S International Symposium Digest, Baltimore, July 1996, pp. 408-411.
  116. L. Zhu, I. Joishi and E. Yamashita, “Characterization of microstrip patch antennas suspended by a dielectric superstrate with high permittivity”, in 1996 IEEE AP-S International Symposium Digest, pp.704-707, Baltimore, July 1996.
  117. L. Zhu, E. Yamashita and I. Joishi, “Generalized modeling of microstrip-fed patch antennas using an equivalent delta voltage source backed by a perfect electric wall”, in 1996 IEEE AP-S International Symposium Digest, pp.1082-1085, Baltimore, July 1996.
  118. L. Zhu, I. Joishi and E. Yamashita, “Theoretical and experimental studies on the microstrip-fed inverted patch antenna with linear or circular polarization”, in 1996 IEEE AP-S International Symposium Digest, Baltimore, July 1996, pp.1556-1559.
  119. L. Zhu, H. Kirino and I. Joishi, “Radiation characteristics of circularly polarized patch antennas mounted in a 2.45 GHz wireless ID card system”, in 1996 IEEE AP-S International Symposium Digest, Baltimore, July 1996, pp.1556-1559.
  120. L. Zhu, I. Joishi and E. Yamashita, “Input impedance of linearly and circularly polarized patch antennas with a dielectric superstrate”, (in Japanese), in Proceedings of 1995 IEICE Spring Conference, Japan, March 1995.
  121. L. Zhu, E. Yamashita and I. Joishi, “Complex resonant frequency of CPW-fed slot antennas”, in Digest of 19th International Conference on Infrared and Millimeter Waves, Japan, October 1994, pp. 439-440.
  122. L. Zhu, E. Yamashita, H. Kirino and I. Joishi, “Complex resonant frequency of the degenerate modes in a patch antenna with a dielectric superstrate”, (in Japanese), in Proceedings of 1994 IEICE Fall Conference, No. B-101, Japan, September 1994.
  123. L. Zhu, E. Yamashita and I. Joishi, “Radiation losses at microstrip discontinuities”, (in Japanese), in Proceedings of 1994 IEICE Fall Conference, No. C-6, Japan, September 1994.
  124. L. Zhu and E. Yamashita, “Analysis method for microstrip line power dividers with arbitrary circuit pattern”, in 1992 IEEE MTT-S International Microwave Symposium Digest, New Mexico, June 1992, pp. 933-936.
  125. W. Zhang and L. Zhu, “Analysis of groove NRD waveguide using eigen-weighted BIEM”, in Proceedings of International Conference on Millimeter Wave and Far-Infrared Technology, China, June 1989.
  126.  L. Xiao, L. Zhu and W. Zhang, “The coupling properties of GNRD waveguides with application to the directional couplers”, in Proceedings of 2nd Asia-Pacific Microwave Conference, China, October 1988, pp.1466-1467.
  127. L. Zhu and W. Zhang, “Analysis of GNRD leaky-wave antenna using an equivalent network method”, (in Chinese), in Proceedings of CIE National Symposium on MMW/Sub-MMW, China, September 1988, pp.24-25.
  128. L. Zhu, L. Xiao and W. Zhang, “Characteristics of coupled GNRD waveguides”, (in Chinese), in Proceedings of CIE National Symposium on MMW/Sub-MMW, China, September 1988, pp.75-78.
  129. W. Zhang and L. Zhu, “The eigen-weighted BIEM for solving Groove nonradiative dielectric waveguide”, in Proceedings of CIE National Symposium on MMW/Sub-MMW, China, September 1988, pp.46-50.
  130. L. Zhu and W. Zhang, “The eigen-weighted BIEM for solving arbitrary cross-section waveguides”, in 1988 IEEE AP-S International Symposium Digest, June 1988, pp.589-592.
  131. L. Zhu and W. Zhang, “Approximate analysis of groove NRD leaky-wave antenna”, (in Chinese), in Proceedings of 1987 CIE A-S National Conference on Antennas, No. 4-B(2), China, November 1987.
  132. L. Zhu and W. Zhang, “Dispersion of groove nonradiative dielectric waveguide”, (in Chinese), in Proceedings of 1987 CIE/CIC National Conference on Microwaves, China, September 1987, pp. 360-370.

Professional Affiliations
Contact Details

Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China

Room: E11-3042
Telephone: (853) 8822-4479
Fax: (853) 8822-2426
Email: LeiZhu