GPS技术在工程放样测量中的应用修改.docVIP

摘 要 全球定位系统GPS全面建成和发展，使导航和测绘行业发生了一场重大深刻的技术革命，GPS测量技术用于生产作业，其作业模式从静态测量、快速静态测量、后处理高精度动态测量，发展到动态初始化（OTF） 本论文简单介绍了GPS（RTK）的发展史、基本原理、系统组成、技术特点，综述了几种传统的施工放样方法；并重点对RTK在工程放样中的工作模式、数据链结构、技术特点、作业步骤、点校正方法以及影响RTK成果精度因素等方面进行了讨论，同时进一步讨论了GPS RTK在工程放样中的应用，最后通过具体实例证实了GPS RTK技术能达到工程放样精度要求的结论。 关键词：GPS（RTK）；放样；精度分析；应用 The application of GPS technology in the construction stakeout Student:LUO bing Teacher:WANG Xin-qiao Abstract: Fully completed and development of the Global Positioning System (GPS) navigation and mapping industry has undergone a significant and profound technological revolution, the GPS measurement techniques used in the production operations, and its mode of operation from the static measurement, rapid static measurements, post-processing high-precision dynamic measu- rement development to dynamic initialization (OTF) centimeter-level RTK surveying. RTK technology is a new milestone in GPS technology. In this thesis, a brief history of the development of GPS (RTK), the basic principles,systemcomponents,technical characteristics, several conventional construction stakeout method; and RTK in the engineering setting mode, the data link structure, technical characteristics, the job step dot correction methods, as well as the impact of RTK results of precision factor to further discuss the application of GPS RTK in the engineering setting, and finally confirmed by specific examples of GPS RTK technology can greatly improve efficiency, reduce labor intensity, the accuracy can reach the conclusion of the engineering setting accuracy requirements. Key word：GPS（RTK）；Loft；Precision analysis；Application 目 次 摘 要 I Abstract II 1 绪论 1 1.1 引言 1 1.2 GPS定位基本原理 1 2 GPS-RTK原理 3 2.1 GPS-RTK基本原理 3 2.2 RTK系统组成和工作条件 3 2.3 RTK的特点 3 2.4 RTK的局限性 4 3 施工放样的传统方法 5 3.1高程放样 5 3.2角度放样 6 3.3距离放样 7 3.4点位放样 7 4 GPS-RTK在工程放样中的应用 9 4.1工程放样及其历史发展 9 4.2 GPS在工程放样测量中的应用现状 9 4.3 利用GPS-RTK进行点放样的流程 9 4.4 实例及精度分析 13 5 RTK误差的来源及减少误差的方法 16 5.1 RTK的误差来源 16 5.2减少误差的方法 17 6 结论 18 致谢 19 参考文献