1. School of Computer Electronic and Information, Guangxi University, Nanning, China
2. College of Sciences, National University of Defense Technology, Changsha, China
3. Institute for Measurement Systems and Sensor Technology, Technical University of Munich, Munich, Germany
4. School of Electrical Engineering, Guangxi University, Nanning, China
5. Zhuhai Wanwei Optoelectronic Technology Company Ltd., Guangzhou, China