ISSN 2196-5625 CN 32-1884/TK
Zhang Xiaoxue
the School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, ChinaZhang Fang
the School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, ChinaGao Wenzhong
the Department of Electrical and Computer Engineering, University of Denver, Denver, USAHe Jinghan
the School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China1.School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
2.Department of Electrical and Computer Engineering, University of Denver, Denver, USA
This work was supported by National Natural Science Foundation of China(No. 52077004).