Authors
Cheng-Guang Sun
Institute of Antenna and Microwave Techniques, Tianjin University of Technology and Education, Tianjin, China
School of Physics, University of Electronic Science and Technology of China (UESTC), Chengdu, China
Jia-Lin Li
School of Physics, University of Electronic Science and Technology of China (UESTC), Chengdu, China
Baidenger Agyekum Twumasi
School of Physics, University of Electronic Science and Technology of China (UESTC), Chengdu, China
Electrical and Electronic Engineering Department, Ho Technical University, Ho, Ghana