SCIENTIFIC AND ENGINEERING OVERVIEW OF THE NASA DUAL-FREQUENCY DUAL-POLARIZED DOPPLER RADAR (D3R) SYSTEM FOR GPM GROUND VALIDATION

被引：9
|
作者：
Chandrasekar, V. [1 ]
Schwaller, Mathew [2 ]
Vega, Manuel [1 ,2 ]
Carswell, James [3 ]
Mishra, Kumar Vijay [1 ]
Meneghini, Robert [2 ]
Cuong Nguyen [1 ]
机构：
[1] Colorado State Univ, Ft Collins, CO 80523 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA
[3] Remote Sensing Solut, Barnstable, MA USA
来源：
2010 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2010年
关键词：
GPM; ground validation; D3R; Dual-frequency radar; TRMM; TRMM;
D O I：
10.1109/IGARSS.2010.5649440
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
As an integral part of Global Precipitation Measurement (GPM) mission, Ground Validation (GV) program proposes to establish an independent global cross-validation process to characterize errors and quantify uncertainties in the precipitation measurements of the GPM program. A ground-based Dual-Frequency Dual-Polarized Doppler Radar (D3R) that will provide measurements at the two broadly separated frequencies (Ku- and Ka-band) is currently being developed to enable GPM ground validation, enhance understanding of the microphysical interpretation of precipitation and facilitate improvement of retrieval algorithms. The first generation D3R design will comprise of two separate co-aligned single-frequency antenna units mounted on a common pedestal with dual-frequency dual-polarized solid-state transmitter. This paper describes the salient features of this radar, the system concept and its engineering design challenges.
引用
收藏
页码：1308 / 1311
页数：4
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