1. State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, People's Republic of China
2. Joint Institute for Measurement Science, Tsinghua University, Beijing 100084, People's Republic of China
3. Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
4. Key Laboratory of Instrumentation Science, North University of China, Taiyuan 030051, People's Republic of China
5. College of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, People's Republic of China