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世界地质 2018, 37(4) 1221-1225 DOI: 10.3969/j.issn.1004-5589.2018.04.021 ISSN: 1004-5589 CN: 22-1111/P

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	重力基点网
	平差
	最小二乘
	间接平差
	本文作者相关文章
	贾帅
	吴燕冈
	肖锋
	李慧
	PubMed
	Article by Jia S
	Article by Wu Y
	Article by Xiao F
	Article by Li H

重力基点网平差中的间接平差

贾帅, 吴燕冈, 肖锋, 李慧

吉林大学地球探测科学与技术学院, 长春 130026

摘要：笔者将间接平差方法引入重力基点网平差中。将基点网中各个基点的重力平差值设为与其近似值有关的函数；利用最小二乘准则约束参数函数，建立误差方程；求出平差值。计算结果显示，传统条件平差以及间接平差方法的平差结果相同，但是间接平差的计算过程更有规律性，便于编程计算，适用于由多基点、多边段组成的复杂基点网。

关键词：重力基点网平差最小二乘间接平差

Indirect adjustment in adjustment of gravity base network

JIA Shuai, WU Yan-gang, XIAO Feng, LI Hui

College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China

Abstract: The authors introduce the indirect adjustment method into the adjustment of gravity base network. The gravity adjustment value of each base point in the base adjustment network is set as a function related to its approximation. Moreover, the least square criterion is used to constrain the parametric function to establish the error equation and calculate the adjustment value. The calculation results show that the adjustment results of traditional adjustment method and indirect adjustment method are identical but the calculation of indirect adjustment is more regular and is easy to program and calculate, which is suitable for the complicated gravity network consisting of multiple base points and multiple segments.

Keywords: gravity base network gravity adjustment least squares indirect adjustment

收稿日期 2018-01-24 修回日期 2018-08-03 网络版发布日期

DOI: 10.3969/j.issn.1004-5589.2018.04.021

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参考文献：

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