Affiliation: | LIAO Juan1,GUO Ye-cai1,2,JI Tong-ying1(1.School of Electrical and Information Engineering,Anhui University of Science and Technology,Huainan 232001,Auhui,China,2.College of Electronic and Information Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,Jiangsu,China) |