The principles of designing constellations for global navigation and positioning systems above terrestrial planets are discussed, and an initial example configuration for a proposed Mars Global Navigation Satellite System Constellation is analyzed. A method for assessing optimal constellation designs is also presented. This study may serve as a reference for designing and establishing Mars global navigation satellite systems in the future.%讨论了建立类地行星全球导航定位系统的意义,并对火星全球导航卫星系统星座的布构型进行了初步分析设计.对不同导航星座的覆盖特性与导航定位性能进行了评估,给出了最佳星座设计,它可以作为将来建立火星导航卫星系统的星座设计参考.
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