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Nonlinear filtering methods application in INS alignment

机译:非线性滤波方法在INS对准中的应用

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摘要

The problem of course alignment of inertial navigation systems is considered. Error equations of nonlinear character have been obtained at a considerable level of a priori course uncertainty. The algorithm for solving the problem of optimal estimation of the state vector described by nonlinear equations from linear measurements has been developed for the analysis of a potential alignment accuracy with the piecewise-Gaussian approximation of a posteriori density used. The results of the study of efficiency of various suboptimal alignment algorithms obtained by the use of the software developed are presented and discussed.
机译:考虑了惯性导航系统的路线对准问题。已经在相当大的先验过程不确定性水平下获得了非线性特征的误差方程。已经开发出用于解决由线性测量的非线性方程式描述的状态向量的最佳估计问题的算法,以用于使用后验密度的分段高斯近似来分析潜在的对准精度。介绍并讨论了通过使用开发的软件获得的各种次优比对算法的效率研究结果。

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