1. Dept. of System Design, China Satellite Network System Co. Ltd, HengYi Building, No. 5 Anding Rd., Chaoyang, Beijing 100029, China.
2. Associate Professor, Dept. of Mechanics, Tianjin Univ., Tianjin 300035, China; Ocean Institute, Northwestern Polytechnical Univ., Suzhou 215000, China (corresponding author).
3. Professor, School of Astronautics, Harbin Institute of Technology, Harbin 150001, China.