The moon is Earth's most important natural satellite,and currently,there is a new wave of lunar exploration worldwide,with numerous institutions and commercial teams planning mis-sions to explore the moon and envisioning the possibility of astronauts living on the moon for ex-tended periods of time.The space race around the moon has just begun.The significance of lunar GNSS(lunar satellite communication-navigation and positioning based on the existing Earth-based GNSS,as well as the new circumlunar satellite communication and navigation infrastructure)is the space reference scientific research foundation and can provide spacecraft landing positioning and lunar surface(and its coverage space)positioning,navigation and timing services.At the same time,the Moon can be used as a test site to expand the navigation toolkit to farther destinations(such as Mars).This review mainly summarizes the recent lunar GNSS plans released by Europe and America,including the American Lunar GNSS Receiver Experiment(LuGRE)program and the European MoonLight program,and the American mid-to-long-term Lunar Communication Relay and Navigation System(LCRNS)program.This review can provide technical reference for China's lunar GNSS planning.
关键词
欧美月球GNSS规划/卫星导航增强/弱信号增强GNSS接收机/环月导航卫星网络/深空星间链路
Key words
Lunar GNSS planning in Europe and America/Satellite navigation enhancement/Weak signal enhanced GNSS receiver/Circumlunar navigation satellite network/Deep space inter-planetary link
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