1. National Key Laboratory of Aerospace Flight Dynamics,
Northwestern Polytechnical University, Xi’an 710072, China.
2. School of Aeronautics and Astronautics,
Dalian University of Technology, Dalian 116024, China.
3. State Key Laboratory of Astronautic Dynamics, Xi’an, China.
4. Department of Electrical and Computer Engineering,
University of Alberta, Edmonton, Alberta, Canada.