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System of wavelet transform on partial discharge signal denoising

机译:局部放电信号去噪的小波变换系统

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摘要

In general, the main technique to eliminate noise from the signal of partial discharge can be realized in the time and frequency domain. The analysis of the partial discharge signal in frequency and time domain is the basic methodology in signal processing. When the signal is processed in the frequency domain, the time domain information would be lost. To resolve these weaknesses, the wavelet transform is developed to provide information in time and frequency domain. Wavelet transform (WT) has become a great new tool for processing signals in the last few years and wavelet transform has been applied to various fields successfully. In this study, the noise in PD signal is eliminated using wavelet transform. The system used threshold parameter of wavelet. The output of this system is that the noise can be muted from the signal of partial discharge.
机译:通常,可以在时域和频域中实现从局部放电信号中消除噪声的主要技术。频域和时域中局部放电信号的分析是信号处理的基本方法。当在频域中处理信号时,时域信息将丢失。为了解决这些缺点,开发了小波变换以提供时域和频域的信息。在过去的几年中,小波变换(WT)已成为一种处理信号的重要新工具,并且小波变换已成功应用于各个领域。在这项研究中,使用小波变换消除了PD信号中的噪声。系统使用小波阈值参数。该系统的输出是可以将噪声从局部放电信号中消除。

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