摘要: The special experiment using the Precipitation Radar (PR) onboard Tropical Rainfall Measuring Mission (TRMM) satellite was conducted from October 2014 to February 2015 during the end-of-mission of the satellite. Dense sampling obs... 展开 The special experiment using the Precipitation Radar (PR) onboard Tropical Rainfall Measuring Mission (TRMM) satellite was conducted from October 2014 to February 2015 during the end-of-mission of the satellite. Dense sampling observation experimental data (three and four times dense over-sampling) are analyzed to see the non-uniform beam filling effect and the its influences on the precipitation retrieval. Degradation of correlation coefficient with the distance are estimated by using the profiles of effective radar reflectivity factor and rain rate. Also non-uniform beam filling parameter are compared among the various data spacing. The result indicates that the four times dense sampling represent enough the fine scale to describe the precipitation cloud. 收起