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北斗卫星导航系统开启“精准服务”新征程

2017-06-14 13:06:27   国际在线

图为会议现场。易成晨 摄

国际在线报道(记者 易成晨):作为我国独立自主研发的全球卫星导航定位系统,北斗卫星导航系统的发展一直备受瞩目,它不仅是我国时空安全的战略保障,也是国民经济发展的重要支柱。近年来,国家积极推进北斗卫星导航系统的军民融合及与“一带一路”深度融合,北斗正逐步被打造成为我国继高铁与核电之后的第三张国家名片。

  进度:部分地区精度可达厘米级和事后的毫米级

中国卫星导航系统管理办公室主任冉承其在6月12日举行的智慧北斗精准应用峰会上表示,自2012年12月面向亚太地区提供正式运行服务以来,北斗卫星导航系统连续稳定运行,服务性能稳中有升,重点地区的性能已优于8米。今年北斗全球系统将启动组网建设,计划发射6到8颗卫星,2018年对“一带一路”沿线国家地区提供基本服务,2020年形成全球的服务能力。

北斗地基增强系统(一期)刚刚于上周通过验收宣布建成,冉承其在会上介绍说,自2014以来,目前已建成覆盖全国的北斗地基增强框架基准站155个和区域加强密度站1228个,初步建成了基于自主知识产权、性能先进、功能全面的北斗地基增强基本系统,正式面向全国提供基本服务。该系统可以为中国境内用户提供米级、分米级的实时定位服务,部分地区的精度可以达到厘米级和事后的毫米级。同时北斗系统正在按照国际民航标准开展星基增强系统的设计实验建设,将为我国及周边地区民航的用户提供一类的精密进近服务。

据悉,北斗卫星导航系统建设按照“三步走”战略,目前已建成由14颗组网卫星和32个地面站天地协同组网运行的北斗二号卫星导航系统,2017年我国即将进入北斗三号卫星工程,计划发射6到8颗北斗导航卫星,启动北斗系统全球组网,并在2018年前后完成约18颗全球组网卫星发射。

民用:在城市管网等方面应用较多

为推进北斗与卫星导航社会化应用,国家测绘地理信息局此前提出了北斗“百城百联百用”行动计划,该计划自2014年推动以来取得显著成效。

“目前北斗在城市燃气、城镇供热、电力电网、供水排水、智慧交通、养老关爱等诸多民生领域实现了跨界融合。国家北斗精准服务网是北斗‘百城百联百用’行动计划的核心内容,中国卫星导航定位协会联合中国城市燃气协会、中国城镇供热协会、中国城镇供水排水协会、电力电网等相关行业机构,已在诸多民生领域实现跨界融合,从根本上提升城市运行管理信息化能力,不断改善民生事业,为智慧城市基础设施建设和管理带来技术创新和突破。” 负责落实推进该计划的中国卫星导航定位协会的常务副会长兼秘书长苗前军说,特别是在北京燃气得到了全面的行业应用。

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