Global optical image acquisition technology and its applications

WANG Xing-ling; LIU Long-fei; YU Gang; LEI Yu; TAO Liang

doi:10.3788/OPE.20122010.2324

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Global optical image acquisition technology and its applications

Article | 更新时间：2020-08-12

- Global optical image acquisition technology and its applications
- Optics and Precision Engineering Vol. 20, Issue 10, Pages: 2324-2330(2012)
- 作者机构：
  
  1. 民政部国家减灾中心北京,100124
  2. 民政部卫星减灾应用中心北京,100124
  3. 民政部减灾与应急工程重点实验室北京,100124
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122010.2324
  CLC： TP751
- Received：30 April 2012，
  
  Revised：28 June 2012，
  
  Published：10 October 2012
- 稿件说明：
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王兴玲, 刘龙飞, 于钢, 雷宇, 陶亮. 全球陆地光学遥感影像获取技术与应用[J]. 光学精密工程, 2012,20(10): 2324-2330

WANG Xing-ling, LIU Long-fei, YU Gang, LEI Yu, TAO Liang. Global optical image acquisition technology and its applications[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2324-2330
王兴玲, 刘龙飞, 于钢, 雷宇, 陶亮. 全球陆地光学遥感影像获取技术与应用[J]. 光学精密工程, 2012,20(10): 2324-2330 DOI： 10.3788/OPE.20122010.2324.

WANG Xing-ling, LIU Long-fei, YU Gang, LEI Yu, TAO Liang. Global optical image acquisition technology and its applications[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2324-2330 DOI： 10.3788/OPE.20122010.2324.

摘要

介绍了2010年开始利用环境减灾A、B星CCD传感器获取全球陆地光学遥感影像的工作

用于研究全球地表覆盖和土地利用情况。环境减灾A、B星是我国第一个以组网方式运行的具有48 h重访周期、30 m中高分辨率的光学星座。利用卫星获取全球陆地光学遥感影像时不仅综合考虑了地面光照条件、云量、季节、地物特性等因素

同时考虑了卫星观测能力、地面接收能力、全球陆地分布特点、全球云量分布等多种因素。通过一年多的时间

获取了全球陆地面积85%以上的平均云量小于20%的有效光学影像数据

获得的数据是我国首个中高分辨率全球覆盖的遥感光学影像集

已成为我国开展全球环境变化研究最重要的中高分辨率光学影像数据源。文中总结了A、B星全球陆地光学遥感影像获取计划的思路与实际应用效果

可为后续光学星的规划及有效载荷的设计提供有益的参考。

Abstract

This paper introduces the acquisition of global land optical images from 2010 by the CCD cameras on HJ-1A/B to research the global land coverage and land usage situations. The HJ-1A/B is the first optical constellation with a ground resolution of 30 m and the revisit ability of 48 h in our country. When the optical remote sensing images are acquired by the HJ-1A/B constellation

the ground lighting conditions

cloud cover

season

terrain features and other factors must be considered

especially the more factors such as the satellite capacity

ground receiving ability

global land distribution and cloud distribution should be taken account of because the optical satellite has been used. Through one year's work

effective images with the cloud less than 20% covered more than 85% of global land are obtained. It is China's first middle-high resolution global coverage optical remote-sensing image sets and has been become the main data sources for global scale remote-sensing research. The ideals and applications to acquire the global land optical images by the HJ-1A/B constellation can provide references for planning optical constellations and designing payloads.

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references

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