1.
| Instantaneous Frequency Calculation Using Wigner Distribution
/ Sikorski, T
[ENY-ARTICLE-2008-133]
This paper introduces two-dimensional methods of observation and diagnosis of non-stationary signals in electrical engineering as well as its further application in instantaneous frequency calculation. [...]
http://zet10.ipee.pwr.wroc.pl/record/171/files/
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2.
| 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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3.
| Time-Frequency Analysis of Complex Space-Phasor in Power Electronics
/ Leonowicz, Z ; Lobos, T ; Sikorski, T
[doi:10.1109/TIM.2007.908250]
[ENY-ARTICLE-2008-043]
This paper considers applying nonparametric and parametric methods for the calculation of the time–frequency representation of nonstationary signals in power electronics. [...]
http://zet10.ipee.pwr.wroc.pl/record/52/files/
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4.
| 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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5.
| 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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6.
| 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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7.
| 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/316/files/
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8.
| Time-varying signal parameters for assessment of disturbances in wind energy systems
/ Lobos, T ; Schegner, P ; Sikorski, T
[ENY-ARTICLE-2009-270]
This paper proposes some extended method for assessment of transient disturbances in wind energy systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/338/files/
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9.
| 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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