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本文在对杂波协方差矩阵的特征值、阵特征向量做出分析的基础上，讨论了无信噪比损失的降维的充要条件，并给出了一种满足该条件的降维变换阵的构造方法．最后基于一组Mountaintop数据对文中提出的算法作出了验证
Based on the analysis of the eigenvalues and the eigenvectors of the clutter covariance matrix, this paper discusses the necessary and sufficient conditions for the dimensionality reduction without loss of signal to noise ratio, and presents a dimensionality reduction transform that satisfies the condition Array construction method. Finally, the algorithm proposed in this paper is validated based on a set of Mountaintop data