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Return-difference matrix properties for optimal stationary Kalman-Bucy filter

机译:最优固定式Kalman-Bucy滤波器的回波差矩阵属性

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摘要

A strikingly simple characterisation of the optimal stationary Kalman-Bucy filter is obtained in terms of the return-difference matrix for the associated feedback system. The spectral factorisation of the observation spectral-density matrix is shown to generate directly the appropriate return-difference matrix. This leads to a physical interpretation of the mechanism by which signal and noise are separated, which could form the basis of an approach to filter design.
机译:根据相关反馈系统的回波差矩阵,可以得到最优静态卡尔曼-Bucy滤波器的惊人简单特征。观测光谱密度矩阵的光谱分解显示为直接生成适当的回波差矩阵。这导致对信号和噪声分离机制的物理解释,这可以构成滤波器设计方法的基础。

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