DocumentCode
3106909
Title
Comparing denoising performance of DWT,WPT, SWT and DT-CWT for Partial Discharge signals
Author
Mortazavi, S.H. ; Shahrtash, S.M.
Author_Institution
Center of Excellence for Autom. & Oper. of Power Syst., Iran Univ. of Sci. & Technol. (IUST), Tehran
fYear
2008
fDate
1-4 Sept. 2008
Firstpage
1
Lastpage
6
Abstract
Denoising is one of the major part in on-line partial discharge(PD) measurement system. In the recent years wavelet transform has been widely used in PD denoising area and its effectiveness discussed in many papers. In this paper, different wavelet based transforms such as DWT, WPT, SWT and DT-CWT and their performance in PD signal denoising with definition proper criteria have been investigated.
Keywords
discrete wavelet transforms; partial discharge measurement; PD denoising area; discrete wavelet transform; dual-tree complex wavelet transform; on-line partial discharge measurement system; stationary wavelet transform; wavelet packet transform; Continuous wavelet transforms; Discrete wavelet transforms; Filter bank; Frequency; Noise level; Noise reduction; Partial discharge measurement; Partial discharges; Sampling methods; Wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
Universities Power Engineering Conference, 2008. UPEC 2008. 43rd International
Conference_Location
Padova
Print_ISBN
978-1-4244-3294-3
Electronic_ISBN
978-88-89884-09-6
Type
conf
DOI
10.1109/UPEC.2008.4651625
Filename
4651625
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