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火星着陆探测任务关键环节技术途径分析

Wei RAO,Zezhou SUN,LinZhi MENG,Chuang WANG,Long JI

Journal of Deep Space Exploration（2016）

Cited 7|Views6
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Abstract
火星进入、下降与着陆技术(entry,descent and landing,EDL)是火星着陆探测最为关键的环节.火星与地球再入返回过程相比,由于火星大气成分、物理性质与地球大气存在较大差别,且具有较大不确定性,使火星EDL过程历经时间短、状态变化快,对减速性能要求高,时序紧张.从工程实现角度分阶段开展了任务分析,识别了火星EDL环节面临的问题和挑战,提出了关键环节技术途径选择.
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Key words
Mars,landing,mission analysis,technical solutions
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