基于坐标增量的导线网平差方法研究  

Research on Adjustment Method of Traverse Network Based on Coordinate Increments

作　　者：王格 洪友堂[1] 李淑慧[1] 李丽华[1] 徐佳佳[1] WANG Ge;HONG Youtang;LI Shuhui;LI Lihua;XU Jiajia(School of Land Science and Technology,China University of Geosciences（Beijing）,Beijing 100086,China)

机构地区：[1]中国地质大学(北京)土地科学技术学院,北京100086

出　　处：《北京测绘》2018年第7期846-850,共5页Beijing Surveying and Mapping

基　　金：国家自然科学基金(41574011);中央高校基本科研业务费专项资金(35832015084;35832015083)

摘　　要：导线网通常采用角度和距离为观测量进行条件平差,本文从附合导线和单一节点导线两个角度讨论了一种以坐标增量为观测量的导线网条件平差方法。论文利用协因数传播定理推导出坐标增量为观测量时的权值确定公式,并比较了两种不同观测量的平差方法在附合导线和单一节点导线中数据处理的结果。结果证明了以坐标增量为观测量的条件平差方法在两种导线网中均具有一定可行性。In traverse network adjustment,angles and distances are usually used as observations of the conditional adjustment.This paper discussed a traverse network adjustment method on which the coordinate increments are used as observations.Firstly,the weights of the coordinate increments observations were derived by means of the covariances propagation law.Then,the results of the two methods were compared in the connecting traverse and single node traverse network.The results proves that this method is feasible.

关 键 词：坐标增量 条件平差 导线网 

分 类 号：P207[天文地球—测绘科学与技术]