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本文介绍了小波阈值法对GIS局放信号的检测方法及识别模式。小波分析具有多分辨特性,对多变化的信号具有更加敏锐的反应,大大增强了GIS局放信号背景噪声的检测能力,从而达到了较好的滤波效果。
This paper introduces the detection method and identification mode of GIS PD signals by wavelet threshold method. Wavelet analysis has the characteristics of multi-resolution, more sensitive to changes in the signal more sharply, greatly enhancing the detection ability of GIS background discharge signal to achieve better filtering effect.