A Revised Polarimetric Calibration Method For Gf-3 Sar With Active Radar Transponder

Jun Hong,Yu Wang,Mingkuan Yi,Yongtao Zhu,Liang Li,Feng Ming

2017 PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM - FALL (PIERS - FALL)（2017）

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摘要

Active radar calibrators are used to derive both the amplitude and phase characteristics of a multichannel polarimetric SAR from the complex image data, which play a key role in many remote sensing applications. China's first quad-polarized space-borne SAR GF-3 was launched in August 2016. GF-3 SAR system calibration has been performed by Institute of Electronics, Chinese Academy of Sciences (IECAS) and China Centre For Resource Satellite Data and Application (CRESDA). Based on classical method. A revised polarimetric calibration method is proposed and obtained accept calibration results, which will give valuable recommendations for further transponder's design.

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关键词

phase characteristics,multichannel polarimetric SAR,complex image data,Institute of Electronics Chinese Academy of Sciences,IECAS,China Centre For Resource Satellite Data and Application,CRESDA,active radar calibrators,active radar transponder,revised polarimetric calibration method,Resource Satellite Data,GF-3 SAR system calibration,China's first quad-polarized space,remote sensing applications

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