作者机构:[1]School of Electronic Engineering, Xidian University, Xi'an 710071, China, [2]School of Communication and Information Engineering, Xi'an University of Science and Technology, Xi'an 7100541 China
相关基金:Supported by the National Natural Science Foundation of China (No. 60677040).
Commnunication author: Wang Shupeng, born in 1975 male, Ph.D. candidate. School of Electronic Engineering Xidian University, Xi'an 710071, China. Email: wang.shupeng@gmail.com.