Institution: | 1. College of Information and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201, P. R. China;College of Electrical and Information Engineering, Hunan University, Changsha 410082, P. R. China 2. College of Electrical and Information Engineering, Hunan University, Changsha 410082, P. R. China 3. College of Information and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201, P. R. China |