1. College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing, China
2. Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites, National Satellite Meteorological Center (National Center for Space Weather), China Meteorological Administration, Innovation Center for FengYun Meteorological Satellite (FYSIC), Beijing, China
3. School of Geosciences and Info-Physics, Central South University, Changsha, China