20 October 2005 Cloud profiling radar design study for EarthCARE
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Abstract
EarthCARE Phase-A study was successfully conducted in collaboration between ESA and Japan (JAXA and NICT). In this study, high sensitivity Cloud Profiling Radar (CPR) design with Doppler capability was studied and demonstrated that the CPR satisfies mission requirements, system resource and launcher constraint. As a result of the study, a nadir looking CPR at 94 GHz with a 2.5 m diameter antenna reflector is designed with sensitivity exceeding -36 dBZ of requirement at TOA with 10 km horizontal integration. The Doppler measurement is a new challenge to attain velocity accuracy less than 1 m/s in vertical direction. In parallel to the CPR system design, algorithm development efforts have been conducted through field campaign. A suite of measured quantities that are very similar combination to the EarthCARE data was collected and applied to the retrieval algorithm test.
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Hiroshi Kumagai, Hiroshi Kumagai, Teruaki Orikasa, Teruaki Orikasa, Yuichi Ohno, Yuichi Ohno, Hiroaki Horie, Hiroaki Horie, Toshiyoshi Kimura, Toshiyoshi Kimura, } "Cloud profiling radar design study for EarthCARE", Proc. SPIE 5978, Sensors, Systems, and Next-Generation Satellites IX, 597807 (20 October 2005); doi: 10.1117/12.634370; https://doi.org/10.1117/12.634370
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