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Filtration of digital signals using wavelets


[ 1 ] Instytut Automatyki i Inżynierii Informatycznej, Wydział Elektryczny, Politechnika Poznańska | [ 2 ] Politechnika Poznańska | [ P ] employee

Year of publication


Published in

Poznan University of Technology Academic Journals. Electrical Engineering

Journal year: 2016 | Journal number: Issue 85

Article type

scientific article

Publication language


  • wavelet transform
  • on-line filtering
  • gaussion noise
  • digital signal

EN The article constitutes a set of research referring to the removal of the noise of Gaussian distribution of signal using wavelet analysis. The thesis has been launched of presentation of existing analysis algorithms, starting of discrete transform related to Mallat’s algorithm, and ending with the selected methods on inverse wavelet transform. The task was carried out by using the simulation scripts of package Wavelet Toolbox in MATLAB. The studies of using on-line filtering algorithms has been undergone. The delay value, which was implemented by the various filtration methods, was determined through simulations. The inclusion of the comparison of results allows to evaluate the quality of filtration.

Pages (from - to)

187 - 195

Presented on

Computer Applications in Electrical Engineering 2016, 18-19.04.2016, Poznan, Poland

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