"天问一号"着陆中继通信系统设计与验证

Journal of Deep Space Exploration(2022)

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Abstract
"天问一号"火星探测任务是中国通过一次发射,实现对火星"绕、落、巡"的探测任务.火星探测任务的进入、下降及着陆段(Entry,Descent and Landing,EDL)是整个任务过程中最为重要的环节之一.基于该过程中继通信任务特点,介绍了"天问一号"火星探测器为适应EDL段通信任务时序复杂、高自主性、黑障现象以及高动态性等特点的中继通信系统方案及关键技术.同时结合"天问一号"软着陆任务,对EDL段中继通信在轨验证情况进行了总结和分析.提出的中继通信系统方案圆满支持了"天问一号"火星探测EDL段中继通信任务.
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Key words
Tianwen-1 Mars probe,Entry,Descent and Landing,relay communication system
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