Robust estimation of systematic errors of satellite laser range
Robust estimation of systematic errors of satellite laser range
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DOI：
10.1007/s001900050252
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发表时间：
1999-03
影响因子：
4.4
通讯作者：
Y. Yang;M. Cheng;C. Shum;B. Tapley
中科院分区：
文献类型：
--
作者：
Y. Yang;M. Cheng;C. Shum;B. Tapley
本文讨论了分析激光测距残差以估计与站有关的系统误差和消除卫星激光测距中的野值的方法。介绍了一种基于M-估计原理的鲁棒估计器。给出了一种实用的计算方法，它提供了一个具有高崩溃点的稳健准则，并为随后的迭代稳健估计提供了稳健的初始残差。最小二乘法与抗差法的结果比较表明，抗差法的测站系统误差结果更可靠。
Methods for analyzing laser-ranging residuals to estimate station-dependent systematic errors and to eliminate outliers in satellite laser ranges are discussed. A robust estimator based on an M-estimation principle is introduced. A practical calculation procedure which provides a robust criterion with high breakdown point and produces robust initial residuals for following iterative robust estimation is presented. Comparison of the results from the least-squares method with those of the robust method shows that the results of the station systematic errors from the robust estimator are more reliable.