多结点水准测量严密平差方法  

The Method of Rigorous Adjustment for Multi-Node Leveling

作　　者：王建成[1] 杨青 张志文 WANG Jiancheng;YANG Qing;ZHANG Zhiwen(China Water Resources Pearl River Planning Surveying and Designing Company Limited,Guangzhou Guangdong 510610,China)

机构地区：[1]中水珠江规划勘测设计有限公司,广东广州510610

出　　处：《北京测绘》2020年第3期310-313,共4页Beijing Surveying and Mapping

摘　　要：大范围高程控制测量中经常采用多结点水准测量,根据条件平差的原理和方法,对多结点水准测量严密平差方法进行了深入研究,建立了可靠的数学模型,结合应用实例平差计算了多结点水准网,分析了水准网的平差精度,其计算结果满足规范要求,为多结点水准网平差软件的开发提供了计算经验。Multi-node leveling is often used in large-scale elevation control survey,according to the principle and method of conditional adjustment,the method of rigorous adjustment for multi-node leveling is deeply studied,a reliable mathematical model is established,combined with an application example,the multi-node leveling network is calculated by adjustment,and the adjustment accuracy of the leveling network is analyzed,the calculation results meet the requirements of the code,the calculation experience is provided for the development of adjustment software for multi-node leveling network.

关 键 词：多结点水准测量 条件方程 单位权中误差 

分 类 号：P207[天文地球—测绘科学与技术]