1. School of Intelligent Technology and Engineering, Chongqing University of Science and Technology, Chongqing, China
2. School of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing, China
3. School of Electrical Engineering, Chongqing University of Science and Technology, Chongqing, China
4. College of Information Engineering, Tarim University, Alar, China