1. , and the Tianjin Sino-German and Cambodia Intelligent Motion Device and Communication Technology Promotion Center, Basic Experimental and Training Center, Tianjin Sino-German University of Applied Sciences, Tianjin, China
2. Innovation Laboratory of Terahertz Biophysics, National Innovation Institute of Defense Technology, Beijing, China
3. New Energy Department, , and the Tianjin Sino-German and Cambodia Intelligent Motion Device and Communication Technology Promotion Center, Tianjin Sino-German University of Applied Sciences, Tianjin, China
4. Basic Experimental and Training Center, Tianjin Sino-German University of Applied Sciences, Tianjin, China