APPLICABILITY OF THE ITERATIVE BACKWARD RETRIEVAL METHOD FOR THE GPM DUAL-FREQUENCY PRECIPITATION RADAR

被引：1
|
作者：
Seto, Shinta [1 ]
Iguchi, Toshio [2 ]
机构：
[1] Univ Tokyo, Inst Ind Sci, Tokyo 1138654, Japan
[2] Natl Inst Informat & Commun Technol, Koganei, Tokyo 1848795, Japan
来源：
2010 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2010年
关键词：
GPM; DPR; radar; attenuation;
D O I：
10.1109/IGARSS.2010.5653234
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The dual-frequency precipitation radar (DPR) on the core satellite of the Global Precipitation Measurement (GPM) mission will measure the radar reflectivity factor in the Ku-band and Ka-band. A rain-rate retrieval algorithm that does not require surface reference was developed (called the MA04 method). However, MA04 cannot give the true solution in some cases of heavy rainfall. MA04 is a simplified version of the iterative backward retrieval method (IBRM) and the IBRM is equivalent to the forward retrieval method with a constraint. The purpose of this study is to clarify the essential conditions under which the IBRM and MA04 can give the true solution.
引用
收藏
页码：106 / 109
页数：4
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