School of Automation, Northwestern Polytechnical University, Xian, Shaanxi, China.|School of Automation, Northwestern Polytechnical University, Xian, Shaanxi, China.|School of Automation, Northwestern Polytechnical University, Xian, Shaanxi, China.|Department of Biological Sciences, HRINU, SUERI, Xian Jiaotong-Liverpool University, Suzhou, Jiangsu, China.|Department of Electrical and Computer Engineering, University of Texas at San Antonio, San Antonio, Texas, United States of America.