误差理论与抗差估计

Error theory and robust estimation

粗差对传统的最小二乘平差结果产生严重影响 ,因此 ,寻求新的能抗粗差的平差方法成为迫切的课题。从等价权出发 ,提出一种IGGI方案 ,通过一个小算例 ,此方案和另几种方案作了比较 。

Gross error bas great influence to least squares adjusted quantity.So it is an important subject to find a kind of new method that can resist gross error.This article starts from weight of equal value and puts forward a kind of IGGI plan.Checking the plan against the other plans through a little example,it is best.