1. Space Control and Inertial Technology Research Center, Harbin Institute of Technology, Harbin, People's Republic of China
2. School of Information Science and Engineering, Northeastern University, Shenyang, People's Republic of China
3. School of Information Science and Engineering, Shandong Normal University, Jinan, People's Republic of China
4. College of Control Science and Engineering, Bohai University, Jinzhou, People's Republic of China