本文证明了球面有限点集的伪对称性可以完全由其特征多项式的根来刻画，并得到了在度量加运算下伪对称性具有封闭性。
In this paper, we show that the Pseudo-Symmetric property of spherical point set can be characterized by the eigen values of eigenpolynomial and it has the closeness under the metric sum operation.
该方法将极化相似度量引入到局部极大值匹配算法中，有机地结合了散射中心特征点的空间域和极化域的信息。
By combining the polarimetry similarity and the local maxima match ATR algorithm, the method can consider both space and polarimetry information of the scattering centers.
基本思想是利用已知的最大定位误差，确定两点对的最小匹配度量，从而减小虚假特征点对匹配结果的影响。
The known error bound of location deviation is used to determine the minimum matching merit for two point pairs so that the effect of spurious feature points can be reduced.
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