Repozytorium Eny Politechnika Wrocławska

Repozytorium W. Elektrycznego Politechniki Wrocławskiej Znaleziono 17 rekordów  1 - 10następny  skocz do rekordu: Szukanie trwało 0.01 sekund. 
1.
Analysis of power quality disturbances using the S-Transform / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2007/I-009] [ENY-ARTICLE-2008-111]
The method presented in this paper employs recently introduced S-transform which is an important development of STFT with improved properties. [...]
http://zet10.ipee.pwr.wroc.pl/record/140/files/
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2.
Analysis of Three Phase Signal using Wigner Spectrum / Leonowicz, Z ; Lobos, T [ENY-ARTICLE-2008-032]
New method of observation and diagnosis of inverter-fed induction motor drives is developed and tested. [...]
http://zet10.ipee.pwr.wroc.pl/record/39/files/
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3.
Analysis of non-stationary signals in power systems / Leonowicz, Z [ENY-ARTICLE-2008-002]
Classical techniques to estimate the spectrum of the multi-component signal are based on Fourier-based transformations. [...]
http://zet10.ipee.pwr.wroc.pl/record/2/files/
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4.
Time-Frequency Representation for Non-Stationary Phenomena in Electrical Engineering / Sikorski, T ; Ruczewski, P ; Lobos, T [I07/2004/I-018] [ENY-ARTICLE-2008-118]
The paper introduces two-dimensional method of observation and diagnosis of non-stationary signals in electrical engineering. [...]
http://zet10.ipee.pwr.wroc.pl/record/153/files/
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5.
Time-frequency analysis of non-stationary three phase signals / Leonowicz, Z ; Lobos, T [ENY-ARTICLE-2008-028]
New method of observation and diagnosis of inverter-fed induction motor drives is developed and tested. [...]
http://zet10.ipee.pwr.wroc.pl/record/35/files/
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6.
Time-frequency analysis of non-stationary phenomena in electrical engineering / Bracale, A ; Carpinelli, G ; Wozniak, K ; Sikorski, T ; et al [I07/2006/I-037] [ENY-ARTICLE-2008-191]
This paper serves the idea of applying joint time-frequency representations in electrical engineering. [...]
http://zet10.ipee.pwr.wroc.pl/record/242/files/
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7.
Time-Frequency Analysis of Distorted Electric Signals using a Complex Space-Phasor / Leonowicz, Z [ENY-PREPRINT-2008-004]
We consider applying non-parametric and parametric methods for calculation of time-frequency representation of non-stationary electric waveforms. [...]
http://zet10.ipee.pwr.wroc.pl/record/87/files/
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8.
Analysis of non-stationary electric signals using the S-transform / Leonowicz, Z ; Lobos, T ; Wozniak, K [ENY-ARTICLE-2009-253]
Purpose – The purpose of this paper is to compare the accuracy of tracking the amplitude and frequency changes of non-stationary electric signals. [...]
http://zet10.ipee.pwr.wroc.pl/record/314/files/
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9.
Analysis of nonstationary electric signals using the S-transform. Zastosowanie transformaty S do analizy sygnałów niestacjonarnych w elektrotechnice / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2005/I-018] [ENY-ARTICLE-2008-110]
Contemporary power systems, which contain a considerable number of non-linear loads, require advanced methods of spectral analysis for their investigation and control. [...]
http://zet10.ipee.pwr.wroc.pl/record/139/files/
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10.
Analysis of Non-Stationary Signals in Power Systems using Wigner Transform and Min-Norm Method / Leonowicz, Z [ENY-PREPRINT-2008-005]
Time-varying spectra of non-stationary time-series commonly used are spectrograms from the Short-Time Fourier Transform (STFT). [...]
http://zet10.ipee.pwr.wroc.pl/record/88/files/
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