在此基础上，研究了用球结构支持向量机作分类器，对滚动轴承内圈故障的劣化程度进行识别的理论和方法。

Basing on these, study theory and method of using Sphere-structured Support Vector Machines to recognize the roll bearing inside track's fault deterioration extent.

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GIS是电力系统重要设备之一，其主要故障是内部绝缘劣化。

GIS is one of the important equipment of power system, its main trouble is inside insulating degradation.

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结果使CR的故障率下降，并对关键部件的性能劣化程度达到监测的目的。

Results Themalfunction rate of cr was decreased and the goal of monitoring the performance degradation degree of the key parts was achieved.

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