应用于工程测量场的系统坐标解算方法与误差分析  

System coordinate solution method anderror analysis applied to engineering survey field

作　　者：段洋洋[1] Duan Yangyang(China Building Materials Industry Geological Exploration Center Zhejiang Team,Hangzhou 310000,China)

机构地区：[1]中国建筑材料工业地质勘查中心浙江总队,浙江杭州310000

出　　处：《山西建筑》2023年第9期189-191,198,共4页Shanxi Architecture

摘　　要：为提高工程项目的测量效率与精准度,研究设计应用于工程测量场的系统坐标解算方法与误差分析计算方法。利用GPS局部定位系统,分析系统坐标的解算原理,为系统坐标的解算方法提供理论依据,构建系统坐标解算模型,应用最小二乘法求解,得到待测位置的坐标结果,进行误差分析计算,提高解算结果的精准性。为检测设计方法的可行性与精准性,设计仿真模拟实验,结果表明,文中设计的系统坐标解算方法,在三个方向的总误差的平均值均低于传统方法,满足三级网要求的最大误差标准范围内(Δ_(x)≤3 cm,Δ_(y)≤3 cm,Δ_(z)≤5 cm)。对于随机一处测量节点,各项误差均在规定误差精度标准范围内,表明该设计方法具有精准性与可行性,有效提高了工程相关项目的测量效率与测量的准确性。In order to improve the measurement efficiency and accuracy of engineering projects,the system coordinate calculation method and error analysis calculation method applied to engineering measurement field are researched and designed.Using the GPS local positioning system,analyze the calculation principle of the system coordinates,provide a theoretical basis for the calculation method of the system coordinates,build a system coordinate calculation model,apply the least squares method to solve,obtain the coordinate results of the position to be measured,and perform error analysis and calculation,to improve the accuracy of the solution results.In order to test the feasibility and accuracy of the design method,a simulation experiment was designed.The results show that the average value of the total error in the three directions of the system coordinate solution method designed in this paper is lower than that of the traditional method,which meets the requirements of the three-level network.Within the maximum error standard range(Δ_(x)≤3 cm,Δ_(y)≤3 cm,Δ_(z)≤5 cm).For a random measurement node,all errors are within the standard range of the specified error accuracy,indicating that the design method in this paper is accurate and feasible,effectively improving the measurement efficiency and measurement accuracy of engineering-related projects.

关 键 词：工程测量场 系统坐标 坐标解算 解算模型 误差分析 

分 类 号：TU198.2[建筑科学—建筑理论]