[Xie, Hongtu;Li, Fuhai] Hunan Univ, Coll Elect & Informat Engn, Changsha, Hunan, Peoples R China.^[Xie, Hongtu;Shi, Shaoying;Wang, Guangxue;Zhang, Lin;Xie, Chao] Air Force Early Warning Acad, Wuhan, Peoples R China.^[Xie, Hongtu;An, Daoxiang;Huang, Xiaotao;Zhou, Zhimin] Natl Univ Def Technol, Coll Elect Sci, Changsha, Hunan, Peoples R China.^[Wang, Guoqian] Hunan Inst Tradit Chinese Med, Changsha, Hunan, Peoples R China.