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Latest Progress of the Chinese Meteorological Satellite Program and Core Data Processing Technologies
Authors:Peng ZHANG  Qifeng LU  Xiuqing HU  Songyan GU  Lei YANG  Min MIN  Lin CHEN  Na XU  Ling Sun  Wenguang BAI  Gang MA  Di XIAN
Affiliation:Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites
Abstract:In this paper, the latest progress, major achievements and future plans of Chinese meteorological satellites and the core data processing techniques are discussed. First, the latest three FengYun(FY) meteorological satellites(FY-2 H, FY-3 D, and FY-4 A) and their primary objectives are introduced. Second, the core image navigation techniques and accuracies of the FY meteorological satellites are elaborated, including the latest geostationary(FY-2/4) and polar-orbit(FY-3) satellites. Third,the radiometric calibration techniques and accuracies of reflective solar bands, thermal infrared bands, and passive microwave bands for FY meteorological satellites are discussed. It also illustrates the latest progress of real-time calibration with the onboard calibration system and validation with different methods, including the vicarious China radiance calibration site calibration, pseudo invariant calibration site calibration, deep convective clouds calibration, and lunar calibration. Fourth,recent progress of meteorological satellite data assimilation applications and quantitative science produce are summarized at length. The main progress is in meteorological satellite data assimilation by using microwave and hyper-spectral infrared sensors in global and regional numerical weather prediction models. Lastly, the latest progress in radiative transfer, absorption and scattering calculations for satellite remote sensing is summarized, and some important research using a new radiative transfer model are illustrated.
Keywords:meteorological satellite   geolocation   calibration and validation   satellite data assimilation   radiative transfer model
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