惠州市国产北斗化平台实时定位精度测试分析  

Real-time positioning accuracy testing for domestic Beidou platform in Huizhou City

作　　者：张献志 周涛[1] 叶远斌 张紫琼 吕鹏军 ZHANG Xianzhi;ZHOU Tao;YE Yuanbin;ZHANG Ziqiong;LYU Pengjun(Guangdong Institute of Land Resource Surveying and Mapping,Guangzhou,Guangdong 510663,China)

机构地区：[1]广东省国土资源测绘院,广东广州510663

出　　处：《北京测绘》2024年第5期763-767,共5页Beijing Surveying and Mapping

基　　金：广东省科技计划(2021B1212100003)。

摘　　要：惠州市连续运行卫星定位服务系统(HZCORS)在2022年完成了国产北斗化升级改造工作,实现了基准站接收机全面支持北斗三号卫星导航系统即北斗三号(BDS-3)数据,且新的国产北斗化平台(简称“新平台”)具备支持北斗三号数据兼容其他卫星系统数据的处理能力,并支持实时播发1985国家高程(简称“85高”)。作为惠州市现代测绘基准体系的重要支撑,新平台投入使用前的测试显得尤为重要。测试结果表明:①新平台平面和高程的实时定位精度较以往有所提高。②新平台分别使用惠州市似大地水准面模型和广东省似大地水准面模型采集得到的高程成果,契合度均较好。③新平台的平均时间可用性为96.48%,优于规范指标的95%。The Huizhou continuous operational reference system(HZCORS)completed the upgrade and transformation to the domestic Beidou system in 2022,making the receiver in the base station now fully support Beidou-3 data.The new domestic Beidou platform(abbreviated as new platform)has the ability to process Beidou-3 data and is compatible with data from other satellite systems.It also supports real-time broadcasting of national elevation benchmarks in 1985(referred to as 85 elevation).As an important support for the modern surveying and mapping reference system in Huizhou City,the testing of the new platform before its launch is particularly important.The test results show that:①The real-time positioning accuracy of the new platform in terms of plane and elevation is improved.②The elevation results obtained by the new platform using the quasi-geoid models of Huizhou City and Guangdong Province fit well.③The average time availability of the new platform is 96.48%,which is better than the regulatory index of 95%.

关 键 词：连续运行卫星定位服务系统(CORS) 北斗三号 似大地水准面 网络实时动态载波相位差分技术 

分 类 号：P228.4[天文地球—大地测量学与测量工程]