协方差矩阵自适应（Covariance matrix adaptation） 噪声管理的总体控制方法（Population control methods for noise management） .
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用天线阵归一化广义阻抗矩阵表示单元互耦，分析了考虑单元互耦效应的自适应天线协方差矩阵的特点。
By using the arrays normalized general impedance matrix to express the mutual coupling between the elements, the characteristics of the covariance matrix of the adaptive arrays are analyzed.
正交投影（OP）自适应波束形成算法性能优良，但需要进行复协方差矩阵特征分解，运算量大。
The orthogonal projection (OP) adaptive beamforming algorithm has good performance but it is computationally expensive because of performing eigen-decomposition of the complex covariance matrix.
在计算信号的协方差矩阵时，对图像分块并用椭圆窗滑动求局部协方差矩阵，以达到局部自适应的去噪目的。
When the signal covariance is calculated, the image is cut into several blocks and the elliptic window is used, so the local covariance is achieved.
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