1. School of Aeronautics and Astronautics, and Aircraft Swarm Intelligent Sensing and Cooperative Control Key Laboratory of Sichuan Province, University of Electronic Science and Technology of China, Chengdu, China
2. Unmanned System Development, China North Vehicle Research Institute, Beijing, China
3. School of Electronic Information and Electrical Engineering, Chengdu University, Chengdu, China,
4. School of Mathematics Sciences, University of Electronic Science and Technology of China, Chengdu, China