教授

联系方式：
isslyl@mail.sysu.edu.cn

教育经历:
1979.09-1983.06，电子科技大学，应用物理，学士；
1986.09-1989.01，电子科技大学，电磁场与微波技术，硕士；
1989.03-1992.11，电子科技大学，电磁场与微波技术，博士。

授课课程:
研究生课程：《高等电磁场理论》（博）；《现代电磁理论》，《电磁数值计算方法》；
本科生课程：《微波技术与天线》；《电磁场与电磁波》。

研究方向:
天线理论与设计、电波传播、射频/微波器件、电磁数值计算方法、无线/移动通信及应用等。

科研项目:
基于抛物方程法的海洋环境中电波传播理论及应用研究，国家自然科学基金（**），2014.01-2017.12
实际环境中电波传播的时域分析方法研究，国家自然科学基金（**），2012.01-2015.12
基于双向抛物方程法的电波传播特性分析与应用研究，高等学校博士学科点专项科研基金（20**4），2014.01-2016.12
现代无线通信系统中若干关键电磁问题的研究，广东省自然科学基金研究团队项目（2015A），2015.08-2020.08
智能建筑中无线传感网应用关键技术研发与示范，广东省科技厅产学研合作项目（2014B），2015.01-2016.12
室内高精度定位方法与关键技术研究，广东省普通高校省级重大科研项目（2014KZDXM006），2014.01-2016.12
全金属边框智能手机天线研究，小米科技有限责任公司项目，2014.11-2015.12
GNSS导航信号干扰源的探测与定位新方法研究，中国航天科技集团公司卫星应用研究院创新基金项目，2014.08-2015.12

代表性科研成果:
近年发表的主要国际论文：
2015
1. ?Zhixi Liang, Juhua Liu, Yuanyuan Zhang, Yunliang Long, A Novel Microstrip Quasi Yagi Array Antenna with Annular Sector Directors, IEEE Transactions on Antennas & Propagation, vol. 63, no.10, p. 4524-4529, October 2015
2.? Juhua Liu, Yuanxin Li, Yunliang Long, Design of Periodic Shorting-Vias for Suppressing the Fundamental Mode in Microstrip Leaky-Wave Antennas, IEEE Transactions on Antennas & Propagation, vol. 63, no.10, p. 4297-4304, October 2015
3.? Yanjie Wu, Yunliang Long, A High Isolation MIMO Antenna without Decoupling Structure for LTE 700?MHz, International Journal of Antennas and Propagation, vol. 2015, Article ID 436259, 7 pages, http://dx.doi.org/10.1155/2015/436259, September 2015
4.? Yanjie Wu, Yunliang Long, Compact MIMO Antenna for LTE 2500 and UWB Applications, Microwave and Optical Technology Letters, vol. 57, no. 9, p. 2046-2049, September 2015
5.? Zhuo-Yue Li, Mu-Shui Zhang, and Yunliang Long, Static Template for Fast Power-Ground Pin Assignment of Large-Scale BGA Packages Using Genetic Algorithm, IEEE Transactions on Components, Packaging and Manufacturing Technology, vol. 5, no.8, p. 1142-1151, August 2015
6.? Jundong Tan, Zhuo Su, Yunliang Long, A Full 3-D GPU-based Beam-Tracing Method for Complex Indoor Environments Propagation Modeling, IEEE Transactions on Antennas & Propagation, vol. 63, no.6, p. 2705-2718, June 2015
7.? Shao Yong Zheng, X.Y. Zhang, Y.M. Pan and Yunliang Long, Dual-band quadrature coupler with controllable power division ratios, Journal of Electromagnetic Waves and Applications, vol. 29, no. 11, p. 1523-1533, June 2015
8.? Xingyu Pu, X.Y. Zhou, Shao Yong Zheng, and Yunliang Long, Wide band balun filter using open/shorted coupled line sections, Microwave and Optical Technology Letters, vol. 57, no. 5, p. 1099-1101, May 2015
9.? Xingyu Pu, Shao Yong Zheng, Juhua Liu, Yuanxin Li, Yunliang Long, Novel Multi-way Broadband Differential Phase Shifter with Uniform Reference Line Using Coupled Line Structure, IEEE Microwave and Wireless Components Letters, vol. 25, no. 3, p. 166- 168, March 2015
10. Xin Yu Zhou;?Shao Yong Zheng;?Xing Yu Pu;?Wing Shing Chan;Yunliang Long, Wideband patch directional coupler based on non-uniform mushroom structure, Electronics Letters, vol.51, no.3, p.262-264, 5 February 2015
11. Jianbin Zhang, Yuanxin Li, Zhixi Liang, Shaoyong Zheng, Yunliang Long, Design of a Multi-frequency One-quarter Rings Microstrip Antenna, IEEE Antennas & Wireless Propagation Letters, vol.14, p.209-212, February 2015
2014
1.? Jun Zhang, Yunliang Long, A Novel Metal Mountable Electrically Small Antenna for RFID Tag Applications with A Practical Guideline for the Antenna Design, IEEE Transactions on Antennas & Propagation, vol. 62, no.11, p. 5820-5829, November 2014
2.? Juhua Liu, Yuanxin Li, Chaoqun Zhang, Yunliang Long, Investigations of SIW Leaky-Wave Antenna for Endfire-Radiation with Narrow Beam and Sidelobe Suppression, IEEE Transactions on Antennas & Propagation, vol. 62, no.9, p. 4489-4497, September 2014
3. ?Shao Yong Zheng, Yongle Wu, Yuanxin Li, Yuanan Liu, Yunliang Long, Dual Band Hybrid Coupler with Arbitrary Power Division Ratios over the Two Bands, IEEE Transactions on Components, Packaging and Manufacturing Technology, vol. 4, no.8, p. 1347-1358, August 2014
4. ?Kun Wang, Yunliang Long, Reply to “Comments on ‘Propagation Modeling Over Irregular Terrain by the Improved Two-Way Parabolic Equation Method’”, IEEE Transactions on Antennas & Propagation, vol. 62, no.7, p. 3895-3896, July 2014
5. ?Juhua Liu, Yue Kang, Jie Chen, Yunliang Long Yagi Array of Microstrip Quarter-Wave Patch Antennas with Microstrip-Lines coupling, International Journal of Antennas and Propagation, vol. 2014, Article ID 102362, 7 pages, doi:10.1155/2014/102362., July 2014
6. ?Yuanyuan Zhang, Juhua Liu, Zhixi Liang, Yunliang Long, A Wide-Bandwidth Monopolar Patch Antenna with Dual Ring Couplers, International Journal of Antennas and Propagation, vol. 2014, Article ID 980120, 6 pages, doi:10.1155/2014/980120., June 2014
7. ?Juhua Liu, Yuanxin Li, Shaoyong Zheng, Yunliang Long, Method of Auxiliary Sources for Analyzing Half-Mode Substrate Integrated Waveguide, IEEE Antennas & Wireless Propagation Letters, vol.13, p.1043-1046, June 2014
8. ?Quanqi Zhang, Yuanxin Li, Zhixi Liang, Hong-Zhou Tan, Yunliang Long, A Multiband Monopole Antenna with the Inverted-Trapezoidal CPW Feeding, International Journal of Antennas and Propagation, vol. 2014, Article ID 692465, 7 pages, doi:10.1155/2014/692465, May, 2014
9. ?Chaoqun Zhang, David R. Jackson, Yunliang Long, Hansen-Woodyard Condition for 2-D Leaky-Wave Antennas, IEEE Transactions on Antennas & Propagation, vol. 62, no.5, p. 2351-2360, May 2014
10. ?Zhixi Liang, Yuanxin Li, Yunliang Long, Multiband Monopole Mobile Phone Antenna with Circular Polarization for GNSS Application, IEEE Transactions on Antennas & Propagation, vol. 62, no.4, p. 1910-1917, April 2014
11. ?Juhua Liu, Shaoyong Zheng, Yuanxin Li, Yunliang Long, Broadband Monopolar Microstrip Patch Antenna with Shorting Vias and Coupled Ring, IEEE Antennas & Wireless Propagation Letters, vol.13, p.39-42, January 2014
2013
1.? Jun Zhang, Yunliang Long, A Dual-layer Broadband Compact UHF RFID Tag Antenna for Platform Tolerant Application, IEEE Transactions on Antennas & Propagation, vol. 61, no.9, p. 4447-4455, September 2013
2. Jun Zhang, Yunliang Long, A Miniaturized Via-patch Loaded Dual-layer RFID Tag Antenna for Metallic Object Applications, IEEE Antennas & Wireless Propagation Letters, vol.12, p.1184-1187, September 2013
3.? Zhuo Su, Yongqin Yang, Yunliang Long, A Compact Unconditionally Stable Method for Time-Domain Maxwell’s Equations, International Journal of Antennas and Propagation, vol. 2013, Article ID 689327, 7 pages, doi:10.1155/2013/689327, March, 2013
4.? Yongqin Yang, Yunliang Long, Modelling EM Pulse Propagation in the Troposphere Based on the TDPE Method, IEEE Antennas & Wireless Propagation Letters, vol.12, p.190-193, March 2013
5.? Xin Hu, Yuanxin Li, Wenkuan Chen, Hong-Zhou Tan, Yunliang Long, Novel Dual- Frequency Microstrip Antenna with Narrow Half-Ring and Half-Circular Patch, IEEE Antennas & Wireless Propagation Letters, vol.12, p.3-6, January 2013
6.? Juhua Liu, Quan Xue, Yunliang Long, Design and Analysis of a Low-Profile and Broadband Microstrip Monopolar Patch Antenna, IEEE Transactions on Antennas & Propagation, vol. 61, no.1, p. 11-18, January 2013
2012
1.? Zhanwei Zhong, Yuanxin Li, Zhixi Liang, and Yunliang Long, Bi-Planar Monopole with DSPSL Feed and Coupling Line for Broadband Mobile Phone, IEEE Antennas & Wireless Propagation Letters, vol.11, p.1326-1329, December 2012
2.? Kun Wang, Yunliang Long, Propagation Modelling over Irregular Terrain by the Improved Two-Way Parabolic Equation Method, IEEE Transactions on Antennas & Propagation, vol. 60, no.9, p. 4467-4471, September 2012
3.? Juhua Liu, Yunliang Long, A Full-Wave Numerical Approach for Analyzing Rectangular Waveguides with Periodic Slots, IEEE Transactions on Antennas & Propagation, vol. 60, no.8, p. 3754-3762, August 2012
4.? Juhua Liu, Xihui Tang, Yuanxin Li, Yunliang Long,Substrate Integrated Waveguide Leaky-Wave Antenna with H-shaped Slots, IEEE Transactions on Antennas & Propagation, vol. 60, no.8, p. 3962-3967, August 2012
5.? Yuanxin Li, Quan Xue, Hong-Zhou Tan, Yunliang Long, A Dual Frequency Microstrip Antenna Using a Double Sided Parallel Strip Line Periodic Structure, IEEE Transactions on Antennas & Propagation, vol. 60, no.6, p. 3016-3019, June 2012
6.? Wenkuan Chen, Yuanxin Li, Hongyan Jiang, Yunliang Long, Design of novel tri-frequency microstrip patch antenna with arc slots, Electronics Letters,vol.48, no.11, p.609-611, 24May 2012
7.? Xihui Tang, H. Wong, Yunliang Long, Quan Xue, K. L. Lau, Circularly Polarized Shorted Patch Antenna On High Permittivity Substrate With Wideband, IEEE Transactions on Antennas & Propagation, vol. 60, no.3, p. 1588-1592, March 2012
8.? Juhua Liu, David R. Jackson, Yunliang Long, Substrate Integrated Waveguide (SIW) Leaky-Wave Antenna with Transverse Slots, IEEE Transactions on Antennas & Propagation, vol. 60, no.1, p. 20-29, January 2012
2011
1.? Juhua Liu, David R. Jackson, Yunliang Long, Propagation Wavenumbers for Half-Width and Full-Width Microstrip Lines in the EH1 Mode, IEEE Transactions on Microwave Theory & Techniques, vol. 59, no.12, p. 3005-3012, December 2011
2.? Xihui Tang, Yunliang Long, H. Wong, K. L. Lau, Broadband circularly-polarised patch antenna with 3D meandering strip feed, Electronics Letters,vol.47, no.19, p.1060-1062, 15 September 2011
3.? Juhua Liu, David R. Jackson, Yunliang Long, Modal Analysis of Dielectric-Filled Rectangular Waveguide with Transverse Slots, IEEE Transactions on Antennas & Propagation, vol. 59, no. 9, p. 3194-3203,September 2011
4.? Yuanxin Li, Quan Xue, Hong-Zhou Tan, Yunliang Long, The Half-width Microstrip Leaky Wave Antenna with the Periodic Short Circuits, IEEE Transactions on Antennas & Propagation, vol. 59, no. 9, p. 3421-3423,September 2011
5.? Peng Liu, Jundong Tan, Yunliang Long, Time Domain UTD-PO Solution for the Multiple Diffraction of Spherical Waves for UWB Signals, IEEE Transactions on Antennas & Propagation, vol. 59, no. 4, p. 1420-1424, April 2011
6.? Mu-Shui Zhang, Jun-Fa Mao, Yunliang Long, Power Noise Suppression Using Power-and- Ground Via Pairs in Multilayered Printed Circuit Boards, IEEE Transactions on Components, Packaging, and Manufacturing Technology, vol. 1, no. 3, p. 374-385, March 2011
7.? Tao Han, Yunliang Long, TD solution based on UTD-PO for multiple-building diffraction with shadowing caused by a wedge-shaped hill for UWB signals, Microwave and Optical Technology Letters, vol.53, no.2, p.426-429, Feb. 2011
2010
1.? Ke Zhang, Yuanxin Li, Yunliang Long, Band-notched UWB printed monopole antenna with a novel segmented circular patch, IEEE Antennas & Wireless Propagation Letters, vol.9, p.1209-1212, Dec. 2010
2.? Yuanxin Li, Quan Xue, Edward K. N. Yung, Yunliang Long,The Backfire-to-Broadside Symmetrical Beam-Scanning Periodic Offset Microstrip Antenna, IEEE Transactions on Antennas & Propagation,vol. 58, no. 11, p. 3499-3504, Nov. 2010
3.? Yuanxin Li, Quan Xue, Yunliang Long, Forward and Backward Periodic Microstrip Antenna with a Slotted Ground Plane,Microwave and Optical Technology Letters, vol.52, no.11, p.2608-2610, Nov. 2010
4.? Tao Han, Yunliang Long, Time domain UTD-PO analysis of a UWB pulse distortion by multiple-building diffraction, IEEE Antennas & Wireless Propagation Letters, vol.9, p.795-798,Aug. 2010
5.? Xihui Tang, K. L. Lau, Quan Xue, Yunliang Long,Design of small circularly polarized patch antenna, IEEE Antennas & Wireless Propagation Letters, vol.9, p.728-731, Aug. 2010
6.? Jianying Wang, Yunliang Long, Long time stable compact fourth-order scheme for time domain Maxwell's equation, Electronics Letters,vol.46, no.14, p.995-996, 8 July 2010
7.? Jianying Wang, Peng Liu, Yunliang Long, A Compact Symplectic High-order Scheme for Time Domain Maxwell’s Equations, IEEE Antennas & Wireless Propagation Letters, vol.9, p.371-374,May 2010
8.? Peng Liu, Yunliang Long, A New Time Domain Solution for the Multiple Diffraction of Spherical Waves by an Array of Nonperfectly Conducting Wedges for UWB signals, Microwave and Optical Technology Letters, vol.52, no.5, p.1006-1008, May 2010
9.? Xihui Tang, K. L. Lau, Quan Xue, Yunliang Long, Miniature Circularly Polarized Patch Antenna, Electronics Letters, vol.46, no.6, p.391-392, 18 March 2010
10.? Yuanxin Li, Quan Xue, Edward K. N. Yung, Yunliang Long,The Periodic Half-width Microstrip Leaky-Wave Antenna with a Backward to Forward Scanning Capability, IEEE Transactions on Antennas & Propagation,vol. 58, no. 3, p. 963-966, March 2010