西安科技大学学报2011，Vol.31Issue(3)：337-342,6.
附合导线近似平差精度评估数学模型
Precision estimation mathematics model of connecting traverse approximate adjustment
摘要
Abstract
Connecting Traverse Annexed traverse is one form which is adopted by horizontal control network frequently, especially is applied in the linear project widely.The computation of connecting traverse above four degree adopts rigorous adjustment, compute the superior result of least square method,have complete mathematics model.Connecting traverse under four degree usually adopts approximate adjustment, computes the horizontal coordinate of control points, but have no rigorous model of precision estimation to make approximate adjustment system of connecting traverse incomplete.This paper aims at the approximate adjustment step of connecting traverse, according to variance-covariance propagation law, built coordinate variance (matrix) computation model of connecting traverse approximate adjustment, and can estimate the precision of adjusted coordinate and function, make the mathematics model of approximate adjustment perfect.关键词
近似平差/严密平差/精度评估/数学模型Key words
approximate adjustment/ rigorous adjustment/ precision estimation分类
天文与地球科学引用本文复制引用
史经俭,刘云..附合导线近似平差精度评估数学模型[J].西安科技大学学报,2011,31(3):337-342,6.基金项目
西安科技大学培育基金项目(A515012) （A515012）
