摘要
GPS三角高程方法是一种比较特殊的测量高程方法。本文通过对现有的测量方法和理念进行大体的概括和总结,对该方法的适合条件进行了简单的归纳,并将其原理和所处的背景以及现实意义进行简单的分析和探讨,利用实践得到的数据加以证明。原理介绍中涵盖了GPS三角高程测量的方法^([1]);通过计算公式推导出GPS三角高程的测量高差^([2]);介绍了精度和误差的相关要求和约束;涉及应用到的高程系统。对上述内容进行了系统的阐述、说明,最终证明GPS三角高程测量方法能够满足四等水准测量的精度要求,适用于特定地理条件下完成高程测量任务。
The GPS trigonometric leveling method is a relatively special method for measuring elevation.This article provides a general overview and summary of existing measurement methods and concepts,briefly summarizes the suitable conditions for this method,and provides a simple analysis and discussion of its principle,background,and practical significance.It provides evidence using data obtained from practice.The principle introduction covers the method of GPS trigonometric leveling;deriving the measurement height difference of GPS trigonometric elevation through calculation formulas;requirements and constraints related to accuracy and error;involving the elevation system applied.The above content has been systematically elaborated and explained.It ultimately proves.0that the GPS trigonometric leveling method can meet the accuracy requirements of fourth class leveling and is suitable for completing elevation measurement tasks under specific geographical conditions.
作者
李超
艾佳琦
LI Chao;AI Jiaqi(Jilin Provincial Institute of Geology and Mineral Surveying and Mapping,Changchun 130000,China;Jilin Provincial Institute of Basic Surveying and Mapping,Siping 136001,China)
出处
《测绘与空间地理信息》
2024年第S01期71-73,77,共4页
Geomatics & Spatial Information Technology
