*Xian Lu¹, Haonan Wu¹, Gang Lu², Xinzhao Chu^3,4, Wenbin Wang², Delores Delores^2,4, Yukitoshi Nishimura⁵ (1.Department of Physics and Astronomy, Clemson University, Clemson, SC, USA, 2.High Altitude Observatory, National Center for Atmospheric Research, Boulder, CO, USA, 3.Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA, 4.Department of Aerospace Engineering Sciences, University of Colorado, Boulder, CO, USA, 5.College of Electrical and Computer Engineering, Boston University, Boston, MA, USA)