The definitions of SRS and two theorems of computing the feature weights based on discernibility matrix are presented.

给出了相似粗糙集 的基本定义，以及利用该方法 基于 差别矩阵进行特征权值计算 的两个定理。

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Thanks to the idea that different feature should correspond to different weight, different weights were set for different regions of a character image in the proposed method.

该方法根据字符图像的结构特征对字符不同区域设置不同的权重。

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The quality of ship target feature has been greatly enhanced by combination and weights of feature vectors. The application in ANN indicates that the method improves the recognition effect.

通过对特征向量的组合和加权提高了舰船目标的特征提取质量，在人工神经网络识别器中取得了较好的识别效果。

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