In the sense of linear unbiased minimum variance estimation, a global optimal recursive state estimation algorithm for this discretized linear system is proposed.
在线性无偏最小方差估计准则下，推导出了该离散化后所得系统的全局最优递推状态估计算法。
A method of implementing adaptive enhancement of variance on an image by a recursive low-pass filter is introduced mainly in this paper.
介绍了用递归低通滤波器方法来实现图象的方差自适应增强。
When the noise variance is known, and it's process is stationary, the signal can be enhanced by use of the recursive least mean-square estimation.
当噪声的方差已知，且过程是平稳的，应用递推最小方差估计，能够增强信号。
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