*Qiang Zu¹, Tao Tao¹, Xiao-hui Yang³, Shuangling Mo¹, Shuangshuang li¹, Peng Han^1,2 (1.Southern University of Science and Technology, Shenzhen 518055, China, 2.Guangdong Provincial Key Laboratory of Geophysical High-resolution Imaging Technology, Southern University of Science and Technology, Shenzhen 518055, China, 3.Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, School of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu, 610225, China)