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北斗总师:2035年完成下一代北斗系统星座组网

2018-05-28 06:31:08   中国青年网

北斗卫星导航系统总设计师、中国宇航学会副理事长杨长风27日透露,为配合建设以北斗为核心、基准统一、覆盖无缝、安全可信、高效便捷的国家综合PNT(定位、导航、授时)体系,到2035年,中国将完成下一代北斗系统星座组网,提供体系化的PNT服务。

第二十届中国科协年会当天下午在杭州闭幕,杨长风在闭幕会上做主旨报告时作上述表示。他说,下一代北斗卫星导航系统要在北斗三号的基础上,进一步提高基本导航、星基增强、短报文通信、国际搜救、精密定位、星间链路六个方面的能力,同时更好地融入国家网络信息体系。

杨长风指出,中国国家综合PNT体系建设重点可概括为“5+1+N”,“5”指5大基础设施,包括重点推进下一代北斗卫星导航系统、积极发展低轨导航增强系统、按需发展水下导航系统、大力发展惯性导航系统、积极探索脉冲星导航系统;“1”是实现1个融合发展,即加快推进北斗与以5G移动通信为代表的网络信息体系的深度融合;“N”主要是突破一系列新兴技术,包括超稳芯片级原子钟、仿生导航技术等。

中国将如何建设以北斗为核心的国家综合PNT体系?杨长风也提出具体发展路线图:到2020年,完成PNT体系总体方案设计与论证,建设仿真试验设施,突破系列关键技术,并探索基于量子、微纳加工等新兴PNT技术。

到2025年,完善PNT体系框架,完成相关接口协议与标准规范制定,确保北斗系统稳定运行,完成性能提升演示验证,完成高精度的时空基准动态维持和传递、导通融合、低轨导航增强等系统关键技术演示验证。

到2035年,完成下一代北斗系统星座组网,建成时空信息服务的备份增强系统,部署多源融合高可信的PNT终端,完成室内、水下、太空等特殊区域的PNT技术试验应用,完成国家综合PNT体系建设,提供体系化的PNT服务。

杨长风强调,以北斗为核心的国家综合PNT体系不是所有PNT技术与系统的简单集合,更不是另起炉灶,而是统筹、融合、协调,从满足最大共性需求出发,提供一个标准化的解决方案。

他介绍说,北斗三号系统目前已完成最简系统,到今年底还计划发射11颗北斗卫星,实现“一带一路”沿线国家和地区的基本服务,到2020年,北斗系统将完成30颗卫星的发射组网任务,实现全球组网目标。

原标题:北斗总师:2035年完成下一代北斗系统星座组网

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