It applies WP translate to get energy from subspace and select the best WP bases with classification distance criterion. The energy has bigger distance coefficient in best WP bases is the feature.

该方法应用小波包变换提取信号各子空间的能量，以能量分类距离标准选取最佳小波包基，最佳小波包基上距离系数大的能量作为特征值。

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A clustering-based and supervised intrusion detection method was proposed with new distance definition for mixed-attribute data and improved nearest neighbor classification method.

基于一种用于混合属性数据的距离定义和改进的最近邻分类方法，提出了一种基于聚类的有指导的入侵检测方法。

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By means of the minimum distance classification of digital image processing, the results obtained are satisfactory.

所用方法是图像处理分类技术中的最小距离分类方法。

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Instead of tracking the cost of a long-distance phone call, for example, the new classification simply tracks the cost of telephone services.

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