Repozytorium Eny Politechnika Wrocławska

Repozytorium W. Elektrycznego Politechniki Wrocławskiej Znaleziono 7 rekordów  Szukanie trwało 0.01 sekund. 
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. [...]
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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. [...]
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Franklin rods - sharp or blunt ? / Chrzan, K L [ENY-ARTICLE-2013-348]
This paper gives the historical background of 250 year old question: should the Franklin rod tip be sharp or blunt ? The earlier works, the new field results from USA and own laboratory experiments are presented. [...]
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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. [...]
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Spectrum estimation of non- stationary signals in power systems / Leonowicz, Z ; Lobos, T ; Rezmer, J [ENY-ARTICLE-2008-038]
Time-varying spectra of non-stationary time-series commonly used are spectrograms from the Short-Time Fourier Transform (STFT). [...]
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Power Distortion Issues in Wind Turbine Power Systems Under Transient States / Lobos, T ; Rezmer, J ; Sikorski, T ; Waclawek, Z [AZ I07/2009/I-001] [ENY-ARTICLE-2009-254]
In this paper time-frequency methods have been investigated for complex investigations of transient states in wind power plants. [...]
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Wide-area system of registration and processing of power quality data in power grid with distributed generation Part I. System description, functional tests and synchronous recordings Part II. Localization and tracking of the sources of disturbances / Leonowicz, Z ; Rezmer, J ; Sikorski, T ; Szymanda, J ; et al [ENY-ARTICLE-2014-361]
This paper presents the developed and built comprehensive system of registration, archiving and data processing for the wide-area monitoring of power quality in a separated part of real power grid with distributed renewable generation. [...]
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