中国高分辨率对地观测系统:高分一号~七号民用卫星简介

遥感学报 Pub Date : 2022-04-08 DOI:10.34133/2022/9769536

Liangfu Chen, H. Letu, M. Fan, Huazhe Shang, J. Tao, Laixiong Wu, Y. Zhang, Chao Yu, Jianbin Gu, Ning Zhang, Jin Hong, Zhongting Wang, Tianyu Zhang

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引用次数: 23

摘要

自2010年以来，中国高分辨率地球观测系统(CHEOS)计划已成功发射了7颗民用卫星。这些卫星被命名为“高分辨率”卫星。为了结合高时间分辨率和相对高空间分辨率的优势，每颗卫星都部署了不同的传感器。GF-1和GF-6携带高分辨率相机(2米分辨率全色相机和8米分辨率多光谱相机)，为土地利用监测提供高空间成像;GF-3配备了空间分辨率高达1米的c波段多极化合成孔径雷达，主要监测海洋目标;GF-5携带高光谱相机、定向偏振相机等6个传感器，用于气溶胶、云层、温室气体监测等环境遥感和气候研究;GF-7激光高度计系统有效载荷实现了自然资源三维测绘和土地测量，便于基础地理信息的积累。本研究概述了GF民用系列卫星，特别是它们的任务、传感器和应用。

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An Introduction to the Chinese High-Resolution Earth Observation System: Gaofen-1~7 Civilian Satellites

The Chinese High-resolution Earth Observation System (CHEOS) program has successfully launched 7 civilian satellites since 2010. These satellites are named by Gaofen (meaning high resolution in Chinese, hereafter noted as GF). To combine the advantages of high temporal and comparably high spatial resolution, diverse sensors are deployed to each satellite. GF-1 and GF-6 carry both high-resolution cameras (2 m resolution panchromatic and 8 m resolution multispectral camera), providing high spatial imaging for land use monitoring; GF-3 is equipped with a C-band multipolarization synthetic aperture radar with a spatial resolution of up to 1 meter, mostly monitoring marine targets; GF-5 carried 6 sensors including hyperspectral camera and directional polarization camera, dedicated to environmental remote sensing and climate research, such as aerosol, clouds, and greenhouse gas monitoring; and GF-7 laser altimeter system payload enables a three-dimensional surveying and mapping of natural resource and land surveying, facilitating the accumulation of basic geographic information. This study provides an overview of GF civilian series satellites, especially their missions, sensors, and applications.

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来源期刊

遥感学报 Social Sciences-Geography, Planning and Development

CiteScore

3.60

自引率

0.00%

发文量

3200

期刊介绍： The predecessor of Journal of Remote Sensing is Remote Sensing of Environment, which was founded in 1986. It was born in the beginning of China's remote sensing career and is the first remote sensing journal that has grown up with the development of China's remote sensing career. Since its inception, the Journal of Remote Sensing has published a large number of the latest scientific research results in China and the results of nationally-supported research projects in the light of the priorities and needs of China's remote sensing endeavours at different times, playing a great role in the development of remote sensing science and technology and the cultivation of talents in China, and becoming the most influential academic journal in the field of remote sensing and geographic information science in China. As the only national comprehensive academic journal in the field of remote sensing in China, Journal of Remote Sensing is dedicated to reporting the research reports, stage-by-stage research briefs and high-level reviews in the field of remote sensing and its related disciplines with international and domestic advanced level. It focuses on new concepts, results and progress in this field. It covers the basic theories of remote sensing, the development of remote sensing technology and the application of remote sensing in the fields of agriculture, forestry, hydrology, geology, mining, oceanography, mapping and other resource and environmental fields as well as in disaster monitoring, research on geographic information systems (GIS), and the integration of remote sensing with GIS and the Global Navigation Satellite System (GNSS) and its applications.