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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F14%3APU110480%21RIV15-MSM-26220___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
This article presents a new method facilitating interference reduction in the Wigner-Ville distribution, which is used for nonstationary signal analysis, for example in machine condition monitoring. The algorithm is based on multiple Smoothed Pseudo Wigner-Ville distributions: differently smoothed time-frequency planes are compared and, for every point, a cross-term free value is calculated on the basis of optimal smooth estimation. The proposed approach is compared with the Gabor-Wigner transform, the Zhao-Atlas-Marks distribution, and the Choi-Williams distribution. Five time-frequency Gaussian atoms and a bat echolocation chirp are used as the testing signals. The Rényi entropy, the ratio of norms, the Stanković measure, and the mean squared error are used as quantitative measures to demonstrate the promising results of the proposed method. This article presents a new method facilitating interference reduction in the Wigner-Ville distribution, which is used for nonstationary signal analysis, for example in machine condition monitoring. The algorithm is based on multiple Smoothed Pseudo Wigner-Ville distributions: differently smoothed time-frequency planes are compared and, for every point, a cross-term free value is calculated on the basis of optimal smooth estimation. The proposed approach is compared with the Gabor-Wigner transform, the Zhao-Atlas-Marks distribution, and the Choi-Williams distribution. Five time-frequency Gaussian atoms and a bat echolocation chirp are used as the testing signals. The Rényi entropy, the ratio of norms, the Stanković measure, and the mean squared error are used as quantitative measures to demonstrate the promising results of the proposed method.
dcterms:title
A New Method for Interference Reduction in the Smoothed Pseudo Wigner-Ville Distribution A New Method for Interference Reduction in the Smoothed Pseudo Wigner-Ville Distribution
skos:prefLabel
A New Method for Interference Reduction in the Smoothed Pseudo Wigner-Ville Distribution A New Method for Interference Reduction in the Smoothed Pseudo Wigner-Ville Distribution
skos:notation
RIV/00216305:26220/14:PU110480!RIV15-MSM-26220___
n3:aktivita
n4:P
n3:aktivity
P(LO1210)
n3:cisloPeriodika
1
n3:dodaniDat
n10:2015
n3:domaciTvurceVysledku
n14:3203603 n14:3169367
n3:druhVysledku
n17:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
910
n3:idVysledku
RIV/00216305:26220/14:PU110480
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Wigner-Ville Distribution, Smoothed Pseudo Wigner-Ville Distribution, Reduced Interference, Time-Frequency Distribution, Quantitative measure
n3:klicoveSlovo
n6:Wigner-Ville%20Distribution n6:Reduced%20Interference n6:Quantitative%20measure n6:Smoothed%20Pseudo%20Wigner-Ville%20Distribution n6:Time-Frequency%20Distribution
n3:kodStatuVydavatele
NZ - Nový Zéland
n3:kontrolniKodProRIV
[5D341B4407D8]
n3:nazevZdroje
International Journal on Smart Sensing and Intelligent Systems
n3:obor
n7:JB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n18:LO1210
n3:rokUplatneniVysledku
n10:2014
n3:svazekPeriodika
2014
n3:tvurceVysledku
Beneš, Petr Pikula, Stanislav
s:issn
1178-5608
s:numberOfPages
5
n9:organizacniJednotka
26220