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我国今年底前将建成北斗三号基本系统 向“一带一路”沿线国家提供服务

2018-05-23 18:06:10   新华网

新华社哈尔滨5月23日电(李国利、邓孟)中国卫星导航系统管理办公室主任冉承其23日表示,我国今年年底之前将建成北斗三号基本系统,开始向“一带一路”沿线国家提供服务。

第九届中国卫星导航学术年会23日在哈尔滨召开。冉承其在会上介绍,目前,我国发射了8颗北斗三号全球组网卫星,已建成最简系统;年底前还将发射11颗卫星,建成基本系统,从而具备向“一带一路”国家和地区的用户提供服务的能力。

北斗系统是我国重大空间信息基础设施,2012年底正式提供服务以来连续稳定运行。2017年11月之后,我国成功发射四组8颗北斗三号卫星,北斗全球系统组网建设进入快车道。

“目前正在进行全球组网卫星的在轨测试、系统集成与性能评估。”冉承其说,“初步结果表明卫星在轨状态良好,性能满足指标要求。”

据北斗卫星导航系统总设计师杨长风介绍,北斗三号与北斗二号相比,增加了星间链路、全球搜索救援等新功能,播发更优的导航信号,采用了新一代铷原子钟和被动型氢原子钟结合的方式,天稳定度达到E-15量级,整体性能大幅提升。

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