Prof. Yuanchang Zhong served as an engineer of circuit design, Research Institute of Chongqing Huaguang Instrument factory during July 1988～1997. He served as the deputy director of the Experimental Teaching Center, and the main lecturer of the "National Electrical and Electronic Technology Teaching Team" of Chongqing University. He taught undergraduate courses "Basics of Circuit Analysis", "Electronic Technology", "Circuit Principles" and "Electronic Measurement Technology" , "System Engineering" , and graduate courses "Electromagnetic Compatibility Technology", "Multi-sensor Information Fusion Technology". Now, he served as Director of the Electronic Technology Experiment Center, College of Communication Engineering, Chongqing University, China. Currently, as the backbone of the academician’s research team of professor Yang Shizhong.