1. Professor, School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China.
2. Ph.D. Student, School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China (corresponding author).
3. Research Fellow, Communications Satellite Division, China Academy of Space Technology, Beijing 100094, China.
4. Senior Engineer, Communications Satellite Division, China Academy of Space Technology, Beijing 100094, China.