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    • Micro-wave radiation imager geolocation and deviation correction of FY-3 precipitation measurement satellite

    • The Fengyun-3G satellite microwave imaging instrument - precipitation type MWRI-RM has been upgraded and replaced, achieving integrated detection of 17 frequency points and 26 channels for the first time in China. Experts have established a precise vector observation geometric model and proposed two characterization methods for positioning deviation, providing a solution to improve the positioning accuracy of precipitation measurement satellites.
      • role:First author第一作者
      • Affiliation:

        National Satellite Meteorological Center (National Center for Space Weather), Beijing 100081, China

        Innovation Center for FengYun Meteorological Satellite (FYSIC), Beijing 100081, China

        Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites, China Meteorological Administration, Beijing 100081, China

      • Email:wangjiachen@cma.gov.cn
      • Introduction:王嘉琛,研究方向为遥感数据地理定位。E-mail:wangjiachen@cma.gov.cn

      WANG Jiachen

      123,
      • role:Corresponding author通信作者
      • Affiliation:

        National Satellite Meteorological Center (National Center for Space Weather), Beijing 100081, China

        Innovation Center for FengYun Meteorological Satellite (FYSIC), Beijing 100081, China

        Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites, China Meteorological Administration, Beijing 100081, China

      • Email:yangl@cma.gov.cn
      • Introduction:杨磊,研究方向为气象卫星导航定位配准。E-mail:yangl@cma.gov.cn

      YANG Lei

      123 * ,
      • Affiliation:

        National Satellite Meteorological Center (National Center for Space Weather), Beijing 100081, China

        Innovation Center for FengYun Meteorological Satellite (FYSIC), Beijing 100081, China

        Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites, China Meteorological Administration, Beijing 100081, China

      SHANG Jian

      123,
      • Affiliation:

        Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing 100094, China

      LIU Chengbao

      4,
      • Affiliation:

        State Key Laboratory of Brain Cognition and Brain-inspired Intelligence Technology, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China

      ZHAO Xinghui

      5,
      • Affiliation:

        National Satellite Meteorological Center (National Center for Space Weather), Beijing 100081, China

        Innovation Center for FengYun Meteorological Satellite (FYSIC), Beijing 100081, China

        Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites, China Meteorological Administration, Beijing 100081, China

      WU Shengli

      123,
      • Affiliation:

        National Satellite Meteorological Center (National Center for Space Weather), Beijing 100081, China

        Innovation Center for FengYun Meteorological Satellite (FYSIC), Beijing 100081, China

        Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites, China Meteorological Administration, Beijing 100081, China

      YAO Pengjuan

      123
    • Vol. 30, Issue 9, Pages: 2625-2637(2026)  
    • DOI:10.11834/jrs.20265405    

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