1. Guangxi Key Laboratory of Multimedia Communications and Network Technology, School of Computer, Electronic and Information, Guangxi University, Nanning 530004, China
2. College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
3. College of Meteorology and Oceanography, National University of Defense Technology, Changsha 410073, China
4. Academy of Artillery and Air Defense, Nanjing 210000, China
5. College of Liberal Arts and Sciences, Notional University of Defense Technology, Changsha 410073, China