[1] Nanjing Univ Informat Sci & Technol, Dept Informat & Commun, Nanjing 210044, Peoples R China
[2] Southeast Univ, Res Inst Automat, Nanjing 210096, Peoples R China
[3] Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100083, Peoples R China
[4] Qingdao Univ, Coll Automat Engn, Inst Complex Sci, Qingdao 266071, Peoples R China