College of Electronic Engineering;
Chengdu University of Information Technology;
Chengdu 610225 China;
China Meteorological Administration Key Laboratory of Atmospheric Sounding;
Guangzhou 510641 China;
Guangzhou Institute of Tropical and Marine Meteorology;
China Meteorological Administration;
Chengdu 610225 China;
C-band polarimetric radar; 2DVD; raindrop size distribution; DSDs retrieval; precipitation characteristics;