最优滤波器 [
zuì yōu lǜ bō qì]
[自] optimal filter
- 结合现代时间序列分析方法,并根据新息模型设计了状态最优滤波器。
An ARMA innovation model and the state optimal filter are designed by modern time series analysis method. - 传统的卡尔曼滤波是线性、高斯问题的最优滤波器,但无法处理非线性的估计问题。
Traditional Kalman filter is an optimum filter for linear or Gaussian distribution problem, which is not suitable for nonlinear evaluation issues. - 然而,在实际情况中,输入信号与期望信号的联合概率密度分布往往不是高斯的,这时,维纳滤波器并不是最优滤波器。
We point out that when the joint probability density function (PDF) of the observed signal and desired signal is Gaussian, the Wiener filter is a real optimal filter.
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