1. School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
2. Laboratory for Space Environment and Physical Sciences, Harbin Institute of Technology, Harbin 150001, China
3. School of Physics, Harbin Institute of Technology, Harbin 150001, China
4. School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China