1. Institute of Electronic and Electrical Engineering, Civil Aviation Flight University of China, Guanghan 618307, People’s Republic of China
2. School of Electronics and Information Engineering, Beihang University, Beijing 100191, People’s Republic of China
3. Aviation Engineering Institute, Civil Aviation Flight University of China, Guanghan 618307, People’s Republic of China
4. School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, People’s Republic of China
5. Air Traffic Management College, Civil Aviation Flight University of China, Guanghan 618307, People’s Republic of China