“天问一号”火星探测器UHF频段中继通信系统设计  

Design of UHF-Band Relay Communication System for Tianwen-1 Mars Probe

作　　者：孙泽洲[1] 强晖萍[1] 韩宇[1] 白帆 张婷[1] 雪霁 SUN Zezhou;QIANG Huiping;HAN Yu;BAI Fan;ZHANG Ting;XUE Ji(Beijing Institute of Spacecraft System Engineering,Beijing 100094,China)

机构地区：[1]北京空间飞行器总体设计部,北京100094

出　　处：《南京航空航天大学学报》2022年第5期817-826,共10页Journal of Nanjing University of Aeronautics & Astronautics

摘　　要：“天问一号”火星探测器超高频(Ultra high frequency,UHF)频段中继通信系统作为中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在火星进入、下降、着陆阶段(Entry,descent and landing,EDL)与火面巡视阶段提供高效可靠的通信服务。本文对中国火星探测器UHF频段中继通信方案进行了介绍,给出中继通信系统的组成、技术指标及链路设计方法,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UHF频段中继通信系统圆满完成了任务目标,其设计、实现和应用为后续中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 orbiter,and supporting the completion of exploration mission during the entry,descent and landing(EDL)phase and on Mars’surface.The relay communication scheme of Tianwen-1 probe with ultra high requency(UHF)band is introduced.The composition,specifications and design method of the critical part of the relay communication system are given.The results of on-orbit flight data are analyzed.The flight verification results show that the newly developed relay communication system of Tianwen-1 probe successfully achieves the exploration mission objectives.Its design,implementation and application also provide technical reference for the subsequent development of China’s deep space relay communication system.

关 键 词：天问一号 火星探测 中继通信 超高频频段 

分 类 号：V19[航空宇航科学与技术—人机与环境工程]