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面向全球变化探测的月基对地观测覆盖性能分析 被引量:9

Coverage Performance Analysis of Earth Observation from Lunar Base for Global Change Detection
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摘要 从全球变化的空间观测需求出发,设想了一个依靠载人月球基地的对地观测望远镜,通过模拟地球静止轨道,太阳轨道和月球轨道,利用逐点计算法,从空间、时间和角度三个方面分析月球对地观测的覆盖特点,同时与现有的静止轨道卫星和日地L1点对地观测作比较.分析结果表明,月基对地观测具有良好的时空覆盖性能,尤其是角度覆盖度优点突出,有助于完善多角度遥感以及全球能量平衡观测系统. Based on the observation requirement of global change study,the point-by-point method was used to calculate the coverage indicators on the basis of orbit simulation and spherical ground triangulation. Then,a comparison was made among three platforms in space:Geostationary satellite,the Moon and the Earth-Sun L1 point.The result has shown that,though the temporal-spatial coverage from the Moon is only a little larger than that from Geostationary orbit,the moon offers a much better angular coverage, which is of great significance to the multi-angle remote sensing and the observation system to detect the Earth's energy balance.
出处 《湖南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2014年第10期96-102,共7页 Journal of Hunan University:Natural Sciences
基金 国家重点基础研究发展计划项目(2009CB723906) 国家自然科学基金资助项目(60972141) 中国科学院战略性先导科技专项课题资助项目(XDA04077200)
关键词 对地观测 遥感 月球基地 全球变化 轨道覆盖 earth observation remote sensing lunar base global change orbit coverage
作者简介 丁翼星(1983-),男,湖南攸县人,中国科学院电子学研究所博士研究生 通讯联系人,E—mail:liug.@ceode.ae.cn
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