GNSS在图根控制测量中的应用  

Application of GNSS in Map Root Control Survey

作　　者：任英桥 王磊 栗亮 Ren Yingqiao;Wang Lei;Li Liang(Shaanxi Railway Engineering Vocational and Technical College,Weinan 714000,China;Hubei Huazhong Electric Power Science and Technology Development,Wuhan 430050,China;China Railway Bridge Bureau Seventh Engineering,Wuhan 430050,China)

机构地区：[1]陕西铁路工程职业技术学院,陕西渭南714000 [2]湖北华中电力科技开发有限责任公司,湖北武汉430077 [3]中铁大桥局第七工程有限公司,湖北武汉430050

出　　处：《山东化工》2019年第10期148-149,153,共3页Shandong Chemical Industry

基　　金：陕西铁路工程职业技术学院科学研究基金项目(No.KY2017-024):基于GIS与BIM技术三维数据模型的转换研究

摘　　要：GNSS技术可以在现场实时获得厘米级定位精度,可用于工程放样,地形测绘和图根控制测量,可以大大提高工作效率,本文重点研究了GNSS技术在大规模地形图制图中图根控制测量中的应用,并通过工程实例分析了操作过程,工作效率和精度。GPS technology can obtain centimeter-level positioning accuracy in real-time in the field,and can be used in engineering lofting,topographic mapping and root mapping control survey,which can greatly improve operational efficiency.This paper mainly introduces the application of GNSS technology in root control survey of large-scale topographic map.Through the analysis of operation process,work efficiency and accuracy of Engineering examples,it is concluded that GNSS technology has certain advantages in root control survey.

关 键 词：GNSS 数据处理 控制测量 网平差 精度 

分 类 号：TP873[自动化与计算机技术—检测技术与自动化装置]