1. Chinese Academy of Sciences,Key Laboratory of Microwave Remote Sensing,National Space Science Center,Beijing,China,100080
2. School of Atmospheric Sciences of Sun Yat-Sen University,the Key Laboratory of Tropical Atmosphere-Ocean System of Ministry of Education, and the Southern Marine Science and Engineering, Guangdong Laboratory,Zhuhai,China,519082
3. National Satellite Meteorology Center of China Meteorological Administration,Beijing,China,100081