System Design and Technical Characteristics of Fengyun-3E Meteorological Satellite

Advances in Astronautics Science and Technology Pub Date : 2022-08-04 DOI:10.1007/s42423-022-00128-2

Yikai Shao, Jinhua Wang, Xiuqing Hu, Yong Yang, Pengfei Miao, Xiaofei Chen, Jinhuan Li, Sikang Deng, Yefei Li, Haisheng Li

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Abstract

Fengyun-3E(FY-3E) satellite is the first early morning orbit meteorological satellite for civil use in the world. It operates in the sun-synchronous orbit whose nominal altitude is 836 km and local time of descending node is 05:30–05:50. It is equipped with eleven payloads, which can realize comprehensive detection of various spectral bands from extreme ultraviolet, ultraviolet, visible, infrared to microwave. All-band absolute radiometric calibration in orbit has been realized on FY-3E satellite, with the calibration error of infrared band up to 0.4 K, microwave band up to 0.8 K, and visible near-infrared band up to 5%. FY-3E satellite can provide images, clouds and radiation, atmospheric parameters, sea and land surface, space weather and other products, which are important supporting data for weather forecast, climate monitoring and environmental disaster monitoring. This paper introduces the system design scheme of FY-3E satellite, summarizes the main technical features of the satellite, and looks forward to the application prospect of the satellite.

Chinese library classification number: V411.8; TP391.9

Document identification code: A

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风云三号E气象卫星系统设计与技术特点

风云三号E（FY-3E）卫星是世界上第一颗民用清晨轨道气象卫星。它运行在太阳同步轨道上，其标称高度为836公里，下降节点的本地时间为05:30–05:50。它配备了11个有效载荷，可以实现从极紫外、紫外、可见光、红外到微波的各种光谱波段的综合探测。FY-3E卫星实现了在轨全波段绝对辐射定标，红外波段定标误差高达0.4K，微波波段定标精度高达0.8K，可见近红外波段定标误差高达5%。风云三号E卫星可以提供图像、云和辐射、大气参数、海陆表面、空间天气等产品，是天气预报、气候监测和环境灾害监测的重要支撑数据。本文介绍了风云三号E卫星的系统设计方案，总结了该卫星的主要技术特点，并展望了其应用前景。中国图书馆分类号：V411.8；TP391.9文件识别码：A

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