格网VRS定位服务关键技术研究  

Research on the key technologies of grid VRS positioning service

作　　者：杜仲进 李铃妃 DU Zhongjin;LI Lingfei(Fujian Surveying and Mapping Institute,Fuzhou,Fujian 350003,China;Fujian Geologic Surveying and Mapping Institute,Fuzhou,Fujian 350011,China)

机构地区：[1]福建省测绘院,福建福州350003 [2]福建省地质测绘院,福建福州350011

出　　处：《测绘标准化》2024年第1期113-117,共5页Standardization of Surveying and Mapping

基　　金：福建省高新技术与工业科技引导性资助项目(2022H0030);福建省测绘地理信息科技创新资助项目(闽测2022-KJ02)。

摘　　要：针对自然资源工作中使用的省级卫星导航定位基准站网公共服务数据安全不足和实时并发数量限制的问题,本文研究通过格网虚拟参考站(VRS)定位技术和基于基准站网数据流向的安全防护技术,生成格网虚拟观测值,实现基准站网数据流向控制,提升高精度定位服务能力,并通过测试验证,平面内、外符合度均值分别为0.7 cm和1.4 cm,高程内、外符合度均值为1.5 cm和4.2 cm,定位精度满足自然资源工作和社会应用需求。研究成果对省级基准站网的运行、维护和服务具有参考意义。Aiming at the problems of poor data security and small number of real-time concurrency of provincial satellite navigation and positioning reference public service used in the working of natural resources,this paper studied grid virtual reference station(VRS)positioning technology and security protection technology based on the data flow direction of the reference station network,generated grid virtual observation values,and realized the data flow direction control of the reference station network.The high precision positioning service capability was improved,and through testing and verification,the average horizontal internal and external consistency was 0.7 cm,1.4 cm,and the average vertical internal and external consistency was 1.5 cm and 4.2 cm,respectively.The positioning accuracy meets the needs of natural resources working and social applications.The research results have a reference significance for the operation,maintenance and service of provincial benchmark station network.

关 键 词：格网虚拟参考站 高并发 信息安全 虚拟观测值 

分 类 号：P228.42[天文地球—大地测量学与测量工程]