In view of the important role of BDS in space information transmission,Combined with the development status and application requirements of spacecraft in China,the spacecraft space-based TT&C based on BDS is studied.This paper introduces the composition and application prospect of BDS,discusses the great advantages of space-based TT&C in improving the measurement and control capability of spacecraft,the construction and development status of space-based satellite resources in China and abroad are introduced.This paper presents the composition model of spacecraft space-based TT&C based on BD,and presents the three key technologies of "extend service access","high-speed data transmission" and "information security transmission" to be solved according to the characteristics of BDS and special application requirements of spacecraft.Finally,the spacecraft space-based TT&C test is introduced.%鉴于北斗卫星系统在空间信息传输中的重要作用,结合我国空间飞行器发展现状及应用需求,对基于北斗卫星系统的空间飞行器天基测控技术进行研究;介绍了北斗卫星系统组成及应用前景,论述了天基测控技术在提高空间飞行器测控能力方面的巨大优势及国内外天基卫星资源的建设及发展现状,给出了基于北斗卫星的空间飞行器天基测控系统组成模型,并结合北斗卫星系统特点及空间飞行器特殊应用需求初步梳理了北斗卫星应用于空间飞行器天基测控需解决的“扩展服务接入”、“高速数据传输”、“信息安全传输”三项关键技术,最后通过北斗卫星通信链路试验表明性能指标满足空间飞行器天基测控需求.
展开▼
