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.
由于局部放电脉冲波形是不规则的，显然，它们的频谱是不同的，这将导致在测量点上脉冲波形的畸变。
Since a partial discharge pulse waveform is irregular and the spectrum of each pulse is different, a pulse wave form will be distorted at the measuring terminal of the circuit.
为了满足局部放电在线监测的在线准实时要求，提出了改进的尺度空间滤波算法，并将其应用于局部放电脉冲的提取。
In order to satisfy the quasi real-time requirement of generator PD online monitoring, an improved scale space filtering technique is proposed and applied in PD pulse extraction.
实验表明，特定的混沌系统可准确、快速地识别周期性脉冲干扰信号并予以抑制，而对局部放电脉冲信号无任何影响。
Simulation experiments show that the chaotic system can effectively identify and restrain the periodic impulse interference without any influence on PD pulse.
在提出脉冲提取思想的基础上，利用局部放电信号所固有的奇异性特征，将小波变换的奇异性检测原理应用于提取局部放电脉冲。
A wavelet domain singularity detection algorithm, based on the theory of pulse extraction, is applied in partial discharge (PD) pulse extraction utilizing the singularity of PD signal.
GIS局部放电脉冲含有较为丰富的超高频信号成分，利用GIS局部放电产生的高频辐射特性可以有效地检测GIS局部放电。
Partial discharge(PD)in GIS could be detected efficiently with its frequency characteristics, because of a lot ultra-high frequency composition in GIS partial discharge signal.
设计了具有较宽频率响应范围的紧凑型测试电路，结合高速数字示波器TDS75 4c对油中的局部放电脉冲波形进行了测量。
A compact circuit with enough wide frequency response is designed and the high speed digital oscilloscope TDS754C is used to measure pulse current of Partial Discharge (PD).
经模型线棒的老化试验验证，在不同老化因子作用下局部放电的放电量、放电次数和放电脉冲分布等参量都有不同的变化规律。
The PD test results of model bars aged under different stresses display that there are larger differences in the discharge magnitude, discharge impulse number and discharge impulse distribution etc.
电脉冲法检测局部放电的关键问题是确定合适的检测频带。
Selecting suitable detecting frequency band is the key issue in detecting partial charge through electrical pulse.
电脉冲法检测局部放电的关键问题是确定合适的检测频带。
Selecting suitable detecting frequency band is the key issue in detecting partial charge through electrical pulse.
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