1. Intelligence Science and Technology , School of Electronic and Information Engineering, Chongqing Three Gorges University , Chongqing, Wanzhou 404000 , China
2. State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology , Lanzhou 730050 , China
3. Department of Applied Physics , School of Science, Lanzhou University of Technology , Lanzhou 730050 , China
4. Key Physics Laboratory of Neutron , Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics , Sichuan, Mianyang 621900 , China
5. Department of Electronic Information Engineering , School of Electronic and Information Engineering, Chongqing Three Gorges University , Chongqing, Wanzhou 404000 , China
6. Department of Electronic Information Engineering , Institute of Atomic and Molecular Physics, Sichuan University , Chengdu 610065 , China