基于GNSS的铁路工程控制网复测技术分析  

Analysis of railway engineering control network retesting technology based on GNSS

作　　者：杨思山 YANG Sishan(China Railway Fourth Survey and Design Institute Group Co.,Ltd.,Wuhan 430063,China)

机构地区：[1]中铁第四勘察设计院集团有限公司,湖北武汉430063

出　　处：《中国高新科技》2024年第1期121-123,共3页

摘　　要：文章旨在对控制网GNSS复测技术进行研究,分析了GNSS技术的系统组成结构和技术原理,重点阐述了控制网GNSS复测技术在高速铁路测量工程中的实践应用方法,包括选择复测坐标系统、已有测量成果评价利用、外业数据采集、内业数据处理、精度分析。旨在提高GNSS技术的应用效果,为控制网复测精度与成果质量提供技术保障,并为同类工程现场测量作业开展提供技术指导。This article conducts research on the control network GNSS retesting technology,analyzes the system structure and technical principles of GNSS technology,and focuses on the practical application methods of control network GNSS retesting technology in high-speed railway surveying engineering,including the selection of retesting coordinate systems,evaluation and utilization of existing measurement results,field data collection,indoor data processing,and accuracy analysis.The aim is to improve the application effect of GNSS technology,provide technical support for the accuracy and quality of control network retesting,and provide technical guidance for the on-site measurement operations of similar projects.

关 键 词：GNSS技术 铁路工程 控制网复测技术 

分 类 号：P208[天文地球—地图制图学与地理信息工程]