Detection of PD utilising digital signal processing methods part 3: open-loop noise reduction

Shim, I. and Soraghan, J.J. and Siew, W.H. (2001) Detection of PD utilising digital signal processing methods part 3: open-loop noise reduction. IEEE Electrical Insulation Magazine, 17 (1). pp. 6-13. ISSN 0883-7554 (http://dx.doi.org/10.1109/57.901611)

Abstract

The paper shows that open-loop noise reduction techniques can be effective in separating partial discharge (PD) signals from noise. Wavelet-based denoising through the use of thresholding of wavelet coefficients provides near optimal noise reduction for many classes of signals including PD signals in noise. The effectiveness of wavelet transform-based noise reduction depends on selection of an appropriate wavelet basis function as well as on careful selection of threshold function and levels.

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• Item metadata

  Item type:	Article
  ID code:	7018
  Dates:	Date Event January 2001 Published
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Strathprints Administrator
  Date deposited:	16 Oct 2008
  Last modified:	08 Apr 2024 15:44
  URI:	https://strathprints.strath.ac.uk/id/eprint/7018