In this paper the causes of errors, the error bounds and the action regions of errors in the moment method are analysized in detail. Some improvements on the accuracy of moment Solution are proposed.
本文对矩量法的误差来源、误差界以及误差的主要作用范围进行了较全面的分析，并据此提出了若干提高准确度的改进措施。
Upon this frame, use matrix Lie group to express the rotation space, then base on Bayesian estimation framework, calculate the minimum mean squared error bounds which use the matrix Lie groups.
在这种框架中，利用李群来表示旋转空间，然后基于贝叶斯估计结构，计算了利用李群的表示的最小均方误差估计性能界限。
The motivation for this study is that in the area of state estimation, the Performance requirements are usually described in terms of the upper bounds on the error variance of state estimation.
在状态估计领域中，指标要求常直接以状态分量的估计误差方差上限的形式给出。
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