Wavelet denoising of partial discharge images

被引：0
|
作者：
Florkowski, M [1 ]
机构：
[1] ABB Corp Res, PL-31038 Krakow, Poland
来源：
PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON PROPERTIES AND APPLICATIONS OF DIELECTRIC MATERIALS, VOLS 1 & 2 | 2000年
关键词：
wavelets; partial discharges; denoising; signal-to-noise ratio; phase resolved acquisition;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents application of wavelet based de-noising to partial discharge (PD) phase resolved images. Simulations are discussed in first part while in the second one results obtained during on-line measurements on a 6kV motor. The basic principles of wavelet de-noising analysis, as well as examples of hard- and soft de-noising thresholding are reported For the purposes of decomposition, the Deabuchies wavelet and wavelet packets at different levels were applied. The efficiency of the enhancement was measured by using a mean square signal-to-noise ratio and standard deviation to mean ratio.
引用
收藏
页码：459 / 462
页数：4
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