1. School of Microelectronic and Communication Engineering, Chongqing Key Laboratory of Bio-Perception and Intelligent Information Processing, Chongqing University, Chongqing, China
2. School of Microelectronic and Communication Engineering, Chongqing University, Chongqing, China
3. Department of Automatic Test and Control, Harbin Institute of Technology, Nangang, Harbin, China