研究领域
信号处理与电子系统
电子与通信工程（专业学位）
专利
[1] 赵文山, 马丽娜. 一种痫样脑电检测电路. 发明专利，中国, 申请号: 201910044973.8
[2] 赵文山. 开关电流复小波滤波器. 发明专利，2018.5,中国, 专利号: ZL201610244784.1
[3] 赵文山. 一种开关电流滤波器. 发明专利，2018.5,中国, 专利号: ZL201610244619.6
[4] 赵文山. 一种开关电流高斯低通滤波器. 发明专利，2017.7,中国, 专利号: ZL201410542569.0
[5] 何怡刚, 赵文山.开关电流小波变换器件, 发明专利, 2011.8, 中国, 专利号: ZL200710303456.5.
[6] 何怡刚, 赵文山. 基于开关电流技术的CMOS电流舵DA转换器, 发明专利, 2011.5, 中国, 专利号: ZL200710303464.X.
科研项目
研究方向
课题组的研究兴趣主要集中于基于人工智能技术的生物医学信息处理（如脑电、心电）、人工智能的硬件加速技术、低电压低功耗集成电路设计、微电子学与生物医学及神经科学交叉融合（如生物医学电子学，脑机接口）、无线通信电路与系统等领域，主要包括：
基于人工智能技术的脑电、心电等生物医学信号处理及其在疾病诊断与治疗中的应用
基于FPGA和ASIC的人工智能硬件加速技术
生物医学电路与系统，包括穿戴式、植入式医用电子设备，如动态脑电仪、心脏起搏器等
通信电路与系统，包括射频通信电路、可重构模拟与射频电路等
欢迎数学、英语和电路基础较好、有志于攻读硕士和出国深造的同学申请加入。
科研项目
国家自然科学基金：用于痫样脑电在线检测的gm-C小波滤波器实现理论与方法研究，主持
教育部博士点基金：用于癫痫发作预测的植入式开关电流复小波变换电路的实现研究，主持
基本科研业务费：低功耗模拟小波基的构造理论与关键技术研究，主持
基本科研业务费：用于无线脑机接口的模拟小波滤波器关键技术研究，主持
人才基金：低压低耗模拟小波变换器件的实现理论及方法研究，主持
红果园国家级"四总部": 天基综合XXX技术, 参加
基本科研业务费：面向分布参数估计的锂离子电池故障预测研究，参加
国家自然科学基金青年基金：基于统计特征分析的最优声阵列声源探测与重建，参加
北京市自然基金“面上”：基于大数据关联分析的无线传感执行网络路由与链路调度协同优化，参加
基本科研业务费：网络流量分析的新方法研究，参加
近期论文
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论文/期刊
期刊论文
Zhen Jiang and Wenshan Zhao*, Optimal Selection of Customized Features for Implementing Seizure Detection in Wearable Electroencephalography Sensor. IEEE Sensors Journal, 已录用，DOI: 10.1109/JSEN.2020.3003733.
Wenshan Zhao, Lina Ma, et al. Realization of Analog Wavelet Filter Using Hybrid Genetic Algorithm for On-Line Epileptic Event Detection. IEEE Access, 2020, 8:33137-33150.
Wenshan Zhao, Lina Ma, et al. Design of Gm-C wavelet filter for on-line epileptic EEG detection. IEICE Electronics Express, 2019, 16(23).
Wenshan Zhao, Yigang He and Yichuang Sun. Structure and realization of pole-shared switched-current complex wavelet filter, Analog Integrated Circuits and Signal Processing,85(1), pp. 193-199, 2015.
Wenshan Zhao, Yigang He and Yichuang Sun. Switched-current filter structure for synthesizing arbitrary characteristics based on follow-the-leader feedback configuration, Analog Integrated Circuits and Signal Processing, 82(2), pp. 479-486, 2015.
Wenshan Zhao and Yigang He. Realization of Wavelet Transform Using Switched-Current Filters, Analog Integrated Circuits and Signal Processing, 71(3), pp.571-581, 2012.
Wenshan Zhao, Yichuang Sun and Yigang He. Minimum Component High Frequency Gm-C Wavelet Filters based on Maclaurin Series and Multiple Loop Feedback, IET Electronics Letters, 46(1), pp.34-36, 2010.
赵文山, 何怡刚. 一种改进的开关电流滤波器实现小波变换的方法, 物理学报, 58(2), pp.843- 851, 2009.
房体友, 何怡刚, 赵文山. 低误差开关电流存储单元, 微电子学, 41(2), pp.269- 273, 2011.
赵文山, 何怡刚, 晏进喜, 李必安. 连续小波变换的开关电流电路实现, 半导体技术, 31(4), pp.295-299, 2006.
会议论文
Wenshan Zhao, Lina Ma. Realization of Switched-Current Wavelet Filter Using Hybrid Genetic Algorithm, 14th IEEE International Conference on Signal Processing (ICSP), Beijing, China, August 12-16, 2018.
Wenshan Zhao, Lina Ma. Pole-Shared Realization of Complex Wavelet Base Using AFSA, 14th IEEE International Conference on Signal Processing (ICSP), Beijing, China, August 12-16, 2018.
Wenshan Zhao. Switched Current Gaussian Low Pass Filter Based on IFLF Configuration, 12th IEEE International Conference on Signal Processing (ICSP), pp.445-449, Hangzhou, China, October 19-23, 2014.
Wenshan Zhao and Yichuang Sun. Current-Mode High-Frequency Wavelet Filter Based on Leap-Frog Multiple-Loop Feedback Structure, 56th IEEE Midwest Symposium on Circuits and Systems (MWSCAS), pp.209-212,Ohio, U.S.A, August 4-7, 2013.
Wenshan Zhao, Yichuang Sun and Yigang He. Current-Mode Gm-C Bandpass Filter for Wavelet Transform Implementation. 35th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp.1526-1529, Dallas, U.S.A, March 14-19, 2010.
Wenshan Zhao, Yigang He and Yichuang Sun. Design of Switched-Current Wavelet Filters Using Signal Flow Graph. 53rd IEEE Midwest Symposium on Circuits and Systems (MWSCAS), pp.1129-1132, Seattle, U.S.A, August 1-4, 2010.
Wenshan Zhao, Yigang He and Yichuang Sun. SFG Realization of Wavelet Filter Using Switched-Current Circuits. 8th IEEE International Conference on ASIC (ASICON), pp.37-40, Changsha, China, October 20-23, 2009.
Wenshan Zhao, Yichuang Sun, Xi Zhu and Yigang He. Design of High-Frequency Gm-C Wavelet Filters. European Conference on Circuit Theory and Design (ECCTD), pp.121-124, Antalya, Turkey, August 23-27, 2009.
Wenshan Zhao, Yichuang Sun, Xi Zhu and Yigang He. A Multiple Loop Feedback Gm-C Bandpass Filter for Wavelet Transform Implementation. 52nd IEEE Midwest Symposium on Circuits and Systems (MWSCAS), pp.106-109, Cancun, Mexico, August 2-5, 2009.
Jiaoying Huang, Yigang He,Yichuang Sun, Wenshan Zhao and Xi Zhu. A New SoC Video Ghost Canceller,52nd IEEE Midwest Symposium on Circuits and Systems (MWSCAS), pp.1143-1146,Cancun, Mexico, August 2-5, 2009.
Wenshan Zhao, Yichuang Sun, Qingxiu Huang, Xi Zhu and Yigang He. Analogue VLSI realization of wavelet transforms for cochlear implant using switched-current circuits. 9th Analog Signal Processing Conference (ASP), pp.6-11, Oxford, UK, November, 2008.
Xi Zhu, Yichuang Sun, James Moritz, Wenshan Zhao and David Lauder. A Widely Tunable Analogue Baseband Filter for Multi-standard Receivers.9th Analog Signal Processing Conference (ASP), pp.28-33, Oxford, UK, November, 2008.
Wenshan Zhao, Yigang He, Jiaoying Huang, YanyingXie and Ying Zhang. Analogue VLSI implementations of wavelet transform based on switched-current technology. International Conference on Wavelet Analysis and Pattern Recognition (ICWAPR), pp. 1787-1792, Beijing, China, November 2-4, 2007.
Wenshan Zhao, Yigang He, Jiaoying Huang, Shaozhong Qi and Gefeng Fang. A fully-programmable analog VLSI for Gaussian function generator using switched-current circuit. International Conference on Wavelet Analysis and Pattern Recognition (ICWAPR), pp.756-760, Beijing, China, November 2-4, 2007.
Wenshan Zhao, Yigang He and Jiaoying Huang. Analog VLSI Implementation of Wavelet Transform Using Switched-Current Technology. International Conference on Complex Systems and Applications, Jinan, China, June 8-10, 2007.
教改论文
[1] 赵文山, 闻跃, 高岩, 余晶晶. 电工技术课程的建设与实践,中国现代教育装备, pp.52-54, 2019.
[2] 赵文山. 电路分析课程案例教学的探索与实践,中国现代教育装备, pp.14-16, 2018.
[3] 赵文山. 案例教学在《电路分析》课程中的应用探讨, 高等学校电路和信号系统、电磁场教学与教材研究会第九届年会, pp.18-22, 2014.
[4] 赵文山，养雪琴，杜普选. “电路分析实验”全英语教学的探索, 电气电子教学学报, 35(5), pp.11-15, 2013.
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