1. Jinhua Advanced Research Institute , Jinhua 321013 , China
2. School of Electrical and Electronic Engineering, Harbin University of Science and Technology , Harbin 150080 , China
3. Sanya Institute of Technology , Sanya 572022 , China
4. School of Physics, Harbin Institute of Technology , Harbin 150001 , China
5. School of Measurement and Control Technology and Communication Engineering, Harbin University of Science and Technology , Harbin 150001 , China