向乾尹，男，工学博士、教授、博士生导师，现任电子工程系主任，西南交通大学引进人才，入选西南交通大学“竢实之星”、四川省学术和技术带头人后备人选。兼任《电子元件与材料》第二届和第三届青年编委，获《电子元件与材料》“优秀青年编委”称号。国自然、省科技厅等项目评审专家，教育部学位与研究生教育发展中心博硕论文评阅专家、学科评估专家,四川省普通高等学校本科专业监测评估入库专家。

    主要从事射频与无线技术教学和科研工作，面向低功耗无线通信/感知、无线供电等需求，开展核心器件、电路、嵌入式系统的基础研究和技术开发。团队拥有矢量网络分析仪、微波/毫米波暗室、射频信号源、高速示波器及探头、频谱仪、电子负载、功率半导体器件分析仪、软件无线电平台等测量和开发设备。先后承担国家级、省部级科研项目10余项，其中主持国家自然科学基金面上项目及青年科学基金项目3项，以及多项重点实验室、华为、铁路行业等合作研发项目。在IEEE TMTT、MWCL/MWTL、TPEL、TAP、AWPL、TCAS2、AEU、通信学报等发表论文100余篇，一作论文入选ESI热点/高被引库论文2篇，相关研究成果获四川省科技进步一等奖。

    主讲《模拟电子技术》获得交大第八届青年教师教学竞赛二等奖；指导研究生获得“全国微波毫米波会议学生优秀论文”、“华为大学生无线基站算法与建模创新大赛一等奖”等奖励10余项；指导本科生获交大百篇优秀毕业论文2篇、校优秀硕士论文1篇。主持及主研省/校教改项目2项，获得校教学成果奖2项。

招    生

硕士方面：欢迎有一定电路/MCU硬件基础，对学习和从事无线通信/感知/供电相关的集成电路与模组、无线嵌入式固件及智能无线设备研发感兴趣的同学联系选报。

博士方面：欢迎有一定射频与无线理论学术基础，对复杂环境下的可重构射频器件与系统架构、智能感知和调控算法研究感兴趣的在读或毕业研究生联系申请。

有意向同学可发简历至：qyxiang at swjtu.edu.cn。

硕士生招生专业：

信息与通信工程、电路与系统、电子信息。

博士生招生专业：

信息与通信工程（学术博士）

交通通信信号及控制（工程博士）。

课程教学

    主讲课程：《模拟电子技术》（本科）、《射频识别技术》(本科)、《微波集成电路》(本科)、《微波理论与技术》（研究生）。

近3年代表性论文

1. Q. Xiang*, H. Sun, M. Fu, Q. Jin and Q. Feng, "A 5th-Order Constant Bandwidth Tunable Bandpass Filter With Two Cascaded Trisection Structures," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 1, pp. 126-130, Jan. 2023, doi: 10.1109/TCSII.2022.3208601.

2. H. Zhou and Q. Xiang*, "A Novel Class-E Quasi-Constant Transconductance Rectifier," IEEE Transactions on Power Electronics, vol. 40, no. 10, pp. 14289-14294, Oct. 2025, doi: 10.1109/TPEL.2025.3579432.

3. X. Chen and Q. Xiang*, "A Novel Group Delay Controller Based on Reflective Tunable Filter,"  IEEE Microwave and Wireless Technology Letters, vol. 35, no. 9, pp. 1300-1303, Sept. 2025, doi: 10.1109/LMWT.2025.3579399.

4.  L. Liu and Q. Xiang*, "A Novel Voltage-Controlled Tunable Filtering Attenuator Based on Lossy-Tuned Ladder-Type Microstrip Filter," IEEE Microwave and Wireless Technology Letters, doi: 10.1109/LMWT.2025.3592185.

5. L. Liu, Q. Xiang* and Q. Feng, "A Self-Packaged Tunable LC Fourth-Order Filter With Cross-Coupling and Bandwidth Compensation," IEEE Microwave and Wireless Technology Letters, vol. 35, no. 4, pp. 420-423, April 2025, doi: 10.1109/LMWT.2025.3535706.

6. M. Fu, Q. Xiang*, D. Jia and Q. Feng, "A K-Band Quartz Glass Absorptive Bandpass Filter With On-Chip Power-Divider-Like Architecture," IEEE Microwave and Wireless Technology Letters, vol. 35, no. 7, pp. 961-964, July 2025, doi: 10.1109/LMWT.2025.3562586.

7. J. Luo, Q. Xiang* and Q. Feng, "A Reconfigurable Bandpass Filter Based on Novel Planar Integrated Switchable and Tunable Resonator With Improved Insertion Loss and Frequency Range," IEEE Transactions on Components, Packaging and Manufacturing Technology, vol. 15, no. 9, pp. 2049-2052, Sept. 2025, doi: 10.1109/TCPMT.2025.3590724.

8.  Y. Ma, Q. Feng, Q. Jin and Q. Xiang, "Wide-Angle Scanning Design of Irregular Arrays Based on Unequal Phase Feeding," IEEE Transactions on Antennas and Propagation, vol. 72, no. 5, pp. 4129-4140, May 2024, doi: 10.1109/TAP.2024.3372553.

9. Y. Ma, Q. Sun, J. Hu, Q. Xiang and Q. Feng, "Hybrid Irregular Tiled Arrays for Wide-Angle and Low-Sidelobe Scanning With Mixed Integer Linear Programming," IEEE Antennas and Wireless Propagation Letters, vol. 24, no. 3, pp. 726-730, March 2025, doi: 10.1109/LAWP.2024.3514196.

10. Xutong Liu, Qianyin Xiang*, et al, Voltage-controlled filtering attenuator with fully tunable passband and attenuation, AEU - International Journal of Electronics and Communications, 2025,155926, https://doi.org/10.1016/j.aeue.2025.155926.