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1.新一代“北斗”导航卫星升空,启动全球组网建造工作3月30日、7月25日和9月30日,4颗新一代“北斗”导航卫星陆续升空,标志着我国“北斗”卫星导航系统由区域运行向全球拓展的启动实施。新一代“北斗”导航卫星采用了以高精度星载原子钟、星座自主运行等为代表的卫星载荷关键技术,以轻量化、长寿命、高可靠为典型特征的卫星平台关键技术,基于星地链路和星间链路的导航卫星运行控制关键技术,以及对关键器件、部组件国产化的试验验证,为后续导航卫星研制、组网建设、在轨保
1. A new generation of “Beidou” navigation satellites will be launched and global network construction will start. On March 30, July 25 and September 30, four new-generation “Beidou” navigation satellites will be launched one after another. This marks the start of the implementation of China’s “Beidou” satellite navigation system from regional operation to global expansion. The new generation of “Beidou” navigation satellites adopt the key technology of satellite load represented by the high-precision spaceborne atomic clock and the constellation autonomous operation, and the key technologies of the satellite platform, which are characterized by light weight, long life and high reliability. Ground link and inter-satellite link navigation satellite operation control of key technologies, as well as the key components, components of the localization of the test validation for the follow-up navigation satellite development, networking, in-orbit insurance