1. School of Resources and Environment University of Electronic Science and Technology of China Chengdu China
2. Guangxi Key Laboratory of Wireless Wideband Communication and Signal Processing Guilin University of Electronic Technology Guilin China
3. School of Physics University of Electronic Science and Technology of China Chengdu China
4. Department of Electrical and Electronic Engineering Ho Technical University Ho Ghana
5. Shanghai Aerospace Electronic Technology Institute Shanghai China
6. Tianjin Branch China Petroleum Logging Co., Ltd Tianjin China