YONG-JIAN YANG1,2, XIAO-GUANG FAN2, SHU-JUAN TANG2, HAI-BAO XIA2,
ZHEN-FU ZHUO2 AND MING WAN2
1School of Electronics and Information
Northwestern Polytechnical University
Xi'an, 710038 P.R. China
2Astronautics Engineering College
Air Force Engineering University
Xi'an, 710038 P.R. China
E-mail: yangyongjian_king@126.com; 645970360@qq.com; busybring@163.com;
Haibaoxia@163.com; zzf_tiger@126.com; afwanming@163.com