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在分析在线监测中局部放电信号及噪声特征的基础上，提出了去除各种噪声并从自相关函数中重构局部放电信号的方法；用该方法对电气设备局部放电监测信号进行分析和处理，可取得良好的效果。
Based on the analysis of partial discharge signals and noise characteristics in on-line monitoring, a method of eliminating various noises and reconstructing PD signals from autocorrelation function is proposed. By using this method, partial discharge monitoring signals of electrical equipment are analyzed and processed, Can achieve good results.