天问一号火星探测器多节点、多体制中继通信系统设计与验证  

Design and verification of the multinode and multisystem relay communication system for the Tianwen-1 Mars Probe

作　　者：孙泽洲[1] 韩宇[1] 白帆 强晖萍[1] 张婷[1] 雪霁 王民建[2] 陈刚 刘一鸣 SUN ZeZhou;HAN Yu;BAI Fan;QIANG HuiPing;ZHANG Ting;XUE Ji;WANG MinJian;CHEN Gang;LIU YiMing(Institute of Spacecraft System Engineering,Chinese Academy of Space Technology,Beijing 100094,China;Shanghai Satellite Engineering Research Institute,Shanghai 201109,China;Lunar Exploration and Space Engineering Center,Beijing 100190,China)

机构地区：[1]北京空间飞行器总体设计部,北京100094 [2]上海卫星工程研究所,上海201109 [3]探月与航天工程中心,北京100190

出　　处：《中国科学：技术科学》2022年第2期226-236,共11页Scientia Sinica(Technologica)

基　　金：行星探测重大工程资助项目。

摘　　要：天问一号探测器中继通信系统作为我国首次火星探测任务实现的重要组成部分,负责为着陆巡视器与环绕器之间提供高效可靠的通信服务,支持完成火面巡视探测任务.本文针对我国火星探测任务环火大椭圆中继轨道特点,对具备X,UHF双频段的天问一号探测器中继通信方案进行了介绍,给出中继通信系统关键环节的设计方法、技术机理与验证途径,并对在轨飞行试验数据进行了分析.结果表明,全新研制的天问一号探测器中继通信系统圆满完成了任务目标,其设计、实现和应用为后续我国深空中继通信系统研制提供了技术参考.As an important part of China’s first Mars exploration mission,the Tianwen-1 relay communication system is responsible for providing efficient and reliable communication services between the lander-rover and the orbiter and for supporting the completion of the patrol and exploration mission on the Martian surface.Considering the large elliptical relay orbit of the Mars exploration mission,the XHF/UHF dual-band relay communication scheme of the Tianwen-1 probe is introduced in this paper.Moreover,the design,technical mechanism,and verification approach of the critical parts of the relay communication system are given.Finally,the results of the on-orbit flight data are analyzed.The flight verification results show that the newly developed relay communication system of the Tianwen-1 probe successfully achieves the exploration mission objectives.Furthermore,its design,implementation,and application provide technical reference for the subsequent development of China’s deep-space relay communication system.

关 键 词：多节点、多体制 中继通信 自主请求重传 大椭圆轨道 

分 类 号：V476.4[航空宇航科学与技术—飞行器设计]