提出了改进的空间屏蔽滤波算法，并将其应用于局部放电脉冲信号的提取。
In this paper, an improved spatial mask filter algorithm is proposed and applied in partial discharge pulse extraction.
在此基础上提出了利用UHF信号估算油中尖-板电极局部放电脉冲电流波形的方法。
Based on which, a new method for estimating the PD pulse waveform by using its UHF signals is presented.
在对局部放电脉冲采集过程中的干扰信号进行分析的基础上，采用软、硬件相结合的方法抑制干扰。
Based on analyzing the noise in the partial discharge pulses, the paper used the software and hardware method to suppress the noise.
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