聂欣,郑晋军,范本尧

• 1:中国空间技术研究院通信与导航卫星总体部
• 2:中国空间技术研究院

摘要(Abstract)：

基于GNSS服务能力及低轨卫星导航服务需求,对国内外低轨卫星现状进行了综述,总结其技术发展路径及效果,研究了低轨卫星导航系统的使能技术,结合服务需求和技术发展趋势,提出我国低轨卫星导航系统发展"增强、备份、独立"三步走的建议,并给出了地面段、空间段和用户段的相应配置。增强模式采用"信息+信号增强"的模式,多种手段综合提升系统服务性能。对于第一步和第二步,可采用统筹建设的方法,形成增强和备份能力。可为我国低轨卫星导航系统的建设提供参考。

关键词(KeyWords)： 低轨导航卫星;增强;备份

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 聂欣,郑晋军,范本尧

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