Repozytorium Eny Politechnika Wrocławska

Repozytorium W. Elektrycznego Politechniki Wrocławskiej Znaleziono 100 rekordów  początekpoprzedni91 - 100  skocz do rekordu: Szukanie trwało 0.01 sekund. 
91. Evaluation of compensation devices of DC arc furnaces using advanced spectrum estimation methods / Bracale, A ; Carpinelli, G ; Lobos, T ; Leonowicz, Z ; et al [RZ I07/05/I-026] [ENY-ARTICLE-2008-011]
Spectral representation of waveform distor-tions has been of great interest in power systems for many years since the disturbing loads generate a wide spectrum of components which deteriorate the quality of power supply. [...]
http://zet10.ipee.pwr.wroc.pl/record/13/files/
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92. Parametric methods for time-frequency analysis of electric signals / Leonowicz, Z [ISSN 0324-945x] [ENY-BOOK-2008-001]
The author presents a new approach to spectral analysis of electric signals and related problems encountered in power systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/11/files/
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93. High resolution spectrum-estimation methods for signal analysis in power systems. / Lobos, T ; Leonowicz, Z ; Rezmer, J ; Schegner, P [AZ I07/06/I-006] [ENY-ARTICLE-2008-008]
The spectrum-estimation methods based on the Fourier transform suffer from the major problem of resolution. [...]
http://zet10.ipee.pwr.wroc.pl/record/9/files/
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94. Harmonics and interharmonics estimation using advanced signal processing methods / Lobos, T ; Leonowicz, Z ; Rezmer, J [ENY-ARTICLE-2008-007]
Modern frequency power converters generate a wide spectrum of harmonic components · In some cases, large converter systems generate not only characteristic harmonics typical for the ideal converter operation, but also a considerable amount of non-characteristic harmonics and interharmonics.
http://zet10.ipee.pwr.wroc.pl/record/8/files/
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95. Model order selection criteria: comparative study and applications / Leonowicz, Z ; Karvanen, J ; Tanaka, T ; Rezmer, J [ENY-ARTICLE-2008-006]
Artykuł przedstawia kryteria i porównanie metod redukcji modelu procesu. [...]
http://zet10.ipee.pwr.wroc.pl/record/7/files/
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96. Zaawansowane metody analizy widmowej sygnałów elektrycznych / Leonowicz, Z [ENY-THESIS-2008-001]
I argue in my dissertation that the use of modern high-resolution spectrum estimation methods, such as Min-Norm, Wigner-Ville distribution and combination of these with higher-order statistics (cumulants), provide more possibilities of analysis of highly distorted electrical signals than known methods of spectrum estimation based on Fourier transform. [...]
http://zet10.ipee.pwr.wroc.pl/record/6/files/
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97. Measurement of IEC Groups and Subgroups by using Advanced Spectrum Estimation Methods / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [ENY-ARTICLE-2008-005]
IEC Standards characterize the waveform distortions in power systems with the amplitudes of harmonic and interharmonic groups and subgroups. [...]
http://zet10.ipee.pwr.wroc.pl/record/5/files/
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98. Application of higher-order spectra for signal processing in electrical power engineering / Lobos, T ; Leonowicz, Z ; Szymanda, J ; Ruczewski, P [ENY-ARTICLE-2008-004]
In power spectrum estimation, the signal under consideration is processed in such a way, that the distribution of power among its frequency is estimated and phase relations between the frequency components are suppressed. [...]
http://zet10.ipee.pwr.wroc.pl/record/4/files/
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99. Advanced Spectrum Estimation Methods for Signal Analysis in Power Electronics / Leonowicz, Z ; Lobos, T ; Rezmer, J [ENY-ARTICLE-2008-003]
Modern frequency power converters generate a wide spectrum of harmonics components. [...]
http://zet10.ipee.pwr.wroc.pl/record/3/files/
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100. 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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Repozytorium W. Elektrycznego Politechniki Wrocławskiej : Znaleziono 100 rekordów   początekpoprzedni91 - 100  skocz do rekordu:
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102 Leonowicz, Z
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