先后主持完成国家自然科学基金面上项目2项，国家重大科学仪器开发专项子课题1项，完成其它纵向课题及横向合作项目20余项。

[1] Yong-Jiu Zhao, Ke-Li Wu, Kwok-Keung and Cheng. A compact 2-D full-wave finite-difference frequency-domain method for general guided wave structures. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2002, 50(7), 1844-1848. SCI:000176749900025. 引用次数：59
[2] Ke-Li Wu, Yong-Jiu Zhao, Jie Wang, and Michael K. K. Cheng. An effective dynamic coarse model for optimization design of LTCC RF circuits with aggressive space mapping. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2004, 52(1), 393-402, SCI:000188651400016. 引用次数：48
[3] Y. J. Zhao and K. K. M. Cheng. Application of on-surface MEI method in analysis of transmission lines, Microwave and Optical Technology Letters. 2000, 27(3), pp: 162-165. SCI:000089544300003.
[4] Yong-Jiu Zhao, Ying-Zeng Yin and Ke-Li Wu, An efficient design method of LTCC filters with aggressive space mapping technique, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 2004,41(1), 24-28. SCI: 000220208600009.
[5] Zhao W, Deng H W, Zhao Y J. Application of 4-component compact 2-D FDFD method in analysis of lossy circular metal waveguide. Journal of Electromagnetic Wave and Application, 2008, 22(18): 2297-2208. SCI: 000262841200004.
[6] Hong-wei Deng, Yong-Jiu Zhao, Chang-Ju Liang, Wan-Shun Jiang, Yue-Min Ning. Effective Skin Depth for Multilayer Coated Conductor. Progress in Electromagnetics Research M, 2009, 9, pp: 1-8. EI: 20100712716036.
[7] Zhao W, Deng H W and Zhao Y J. Dispersion characteristics analysis of lossy coaxial metal waveguide with 4-component compact 2-D FDFD method. 2008 International Symposium on Antennas, Propagation and EM Theory, Kunming, 2008, 851-854. EI: 20091512022399.
[8] Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Lu Zhang, Wen Chen. High Rejection Quadruple-Mode Broadband BPF with Source-Load Coupling. IET Electronics Letters. 2011, 47(1), pp: 37-38. SCI: 000285920700023.
[9]Wang Jikang, Liu Bing, Zhao Yongjiu, Yuan Chunhua, Deng Hongwei. Wide Upper-Stopband Super-UWB BPF Based on SCRLH Transmission Line Structure. IET Electronic Letters, 2011, 47(22): 1233-1235.SCI: 000296795900019.
[10] Hong-wei Deng, Yong-jiu Zhao, Lu Zhang, Xue-shun Zhang, Si-ping Gao. Compact quintuple-mode stub-loaded resonator and UWB filter. IEEE Microwave and Wireless Components Letters. 2010, 20(8), pp: 438-440. SCI: 000283417400007.
[11]Xue-Shun Zhang, Bing Liu, Yong-Jiu Zhao, et al. Compact and High Selectivity Dual-Band Dual-Mode Microstrip BPF With Five Transmission Zeros. Microwave and Optical Technology Letters 2012,54(1):79-81. SCI: 000297861200021.
[12] Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Wen Chen, Ji-kang Wang. Compact and High Selectivity Dual-Mode Microstrip BPF with Single Stepped-Impedance Resonator (SIR). IET Electronics Letters. 2011, 47(5), pp: 326-327. SCI：000287846400023.
[13] Zhao W, Zhao Y J, Qin H B, Qiang L and Liu B. Calibration algorithm of the n-port vector network analyzer using the general node equation. IET Science, Measurement & Technology, 2010, 4(6): 298-302. SCI: 000282151200002.
[14] Xue Min, Zhao Yongjiu, Gu Xiaowen, Pan Shilong. Performance analysis of optical vector analyzer based on optical single-sideband modulation. Journal of The Optical Society of America B-Optical Physics. 2013,30(4): 928-933.SCI: 000316994100023.
[15] Hong-wei Deng, Yong-jiu Zhao, Lu Zhang, Xue-shun Zhang, Wei Zhao. A Dual-Band BPF with DSIR and TSIR. IET Electronics Letters. 2010, 46(17), pp: 1205-1206. SCI: 000281006100024.
[16] Zhao W, Zhao Y J, Qin H B. Qin. Calibration of the three-port VNA using the general 6-term error model. Journal of Electromagnetic Wave and Application, 2010, 24(2/3): 319-326. SCI: 000274568500017.
[17]Xue-Shun Zhang. Zhang, Yong-Jiu Zhao, Hong-Wei Deng, et al. High Selectivity Dual-Mode Bandpass Filter with Source-Loaded Coupling. Progress in Electromagnetics Research Letters, 2010, 18: 187-194.EI: 20110913708016.
[18]Wang Jikang, Zhao Yongjiu, Liu Wei, Sun Quan, Qiang Li. Bandpass Filter using miniaturized SCRLH MZOR. Progress In Electromagnetics Research Letters, 2011, 20:11-18.EI:20110913708039
[19] Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Lu Zhang, Si-ping Gao. Compact wide upper-stopband BPF using open stub loaded dual-mode resonator. Microwave and Optical Technology Letters. 2010, 52(10), pp: 2185-2188. SCI: 000280744100007.
[20] Zhao W, Zhao Y J, Deng H W, Zhang D W and Liu L. A hybrid MM/compact 2-D FDFD method for rectangular ridged waveguide discontinuities. Progress in Electromagnetics Research M, 2010, 12: 29-38. EI: 20103413175111.
[21] Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Lu Zhang, Wei Zhao. Compact Wideband Bandpass Filter with Quadruple-Mode Stub-Loaded Resonator. Progress in Electromagnetics Research Letters. 2010, 17, pp: 125-132. EI: 20105013491924.
[22]Wen Chen, Yong-jiu Zhao, Xiao-jun Zhou. Compact and High Selectivity Dual-Band Dual-Mode Microstrip BPF with Folded SIR. IEEE MTT-S International Microwave Workshop Series. EI: 20125115822171.
[23] Zhao W, Zhao Y J, Deng H W, Jiang W S and Ning Y M. Compact four-component 2-D FDFD method with equivalent surface impedance boundary condition for multilayer metal-coated waveguide. Transactions of Nanjing University of Aeronautics & Astronautics, 2010, 27(3): 275-279. EI: 20105013479928.
[24] Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Lu Zhang, Wei Zhao. Ultra Wideband Bandpass Filter Using Stub-Loaded Quintuple-Mode Resonator. Microwave and Optical Technology Letters. 2010, 52(11), pp: 2579-2580, SCI: 000281831500049.
[25] 赵伟, 赵永久, 强力, 刘冰, 秦红波. 利用模式匹配与四分量二维频域有限差分混合算法分析复杂截面波导不连续性. 电子学报, 2010, 38(12): 2735-2739. EI: 20111113746514.
[26]Xiao-jun Zhou, Yong-jiu Zhao, Yong Fu, Yan-yun Liu. Compact Dual-Mode Tri-Band Microstrip BPF with Three Sets of Resonators;Progress In Electromagnetics Research Letters； 2012,33:47-54.EI: 20124015495473.
[27] Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Lu Zhang, Wei Zhao. Compact dual-mode open stub-loaded resonator and BPF. Progress in Electromagnetics Research Letters. 2010, 14, pp: 119-125. EI: 20102913079373.
[28] 赵伟, 赵永久, 袁春花, 秦红波, 强力, 一种基于10项误差模型的二端口矢量网络分析仪校准方法, 电子学报, 2011, 39(10): 2469-2472, EI: 20114714541659.
[29] Hong-wei Deng, Yong-jiu Zhao, Lu Zhang, Xue-shun Zhang, Wei Zhao. Compact Triple-Mode Stub-Loaded Stepped Impedance Resonator and Bandpass Filter. Microwave and Optical Technology Letters. 2011, 53(4), pp: 701-703. SCI：000288135100001.
[30]Lu Zhang, Hong-wei Deng, Yong-jiu Zhao, Xin Lu, Xue-shun Zhang. Compact quadruple-mode UWB bandpass filter using open stub loaded multiple-mode resonator. 2010 IEEE International Conference on Ultra-Wideband. 2010. pp: 95~96. EI: 201011629193.
[31] Zhao Wei, Qin H B and Qiang L. A calibration procedure for two-port VNA with three measurement channels based on T-matrix. Progress in Electromagnetics Research Letters, 2012, 29: 35-42.
[32]Quan Sun, Yong-Jiu Zhao, Li Qiang, Bing Liu, Ji-Kang Wang. A Planar Ultra-wideband Antenna with Dual Notched Bands Based on SCRLH Resonator. The 2010 International Conference on Microwave and Millimeter Wave Technology, pp. 380-383,May. 2010.EI: 20111513907337.
[33] Duan-wei Zhang, Hong-wei Deng, Yong-Jiu Zhao, Wan-Shun Jiang, Yue-Min Ning, “A 4-Component 2-D CFDFD Method with Equivalent SIBC for Multilayer Metal-Coated Coaxial Waveguide,” The Ninth International Conference on Electronic Measurement & Instruments, vol. i, pp. 983-986, 2009.
[34]Hong-wei Deng, Yong-jiu Zhao, Xue-shun Zhang, Lu Zhang, Si-ping Gao. Compact quintuple-mode UWB bandpass filter with good out-of-band rejection. Progress in Electromagnetics Research Letters. 2010, 14, pp: 111-117. EI: 20102913079372.