Localization Operators for the Linear Canonical Dunkl Windowed Transformation

One of the best known time–frequency tools for examining non-transient signals is the linear canonical windowed transform, which has been used extensively in signal processing and related domains. In this paper, by involving the harmonic analysis for the linear canonical Dunkl transform, we introduce and then study the linear canonical Dunkl windowed transform (LCDWT). Given that localization operators are both theoretically and practically relevant, we will focus in this paper on a number of time–frequency analysis topics for the LCDWT, such as the Lp boundedness and compactness of localization operators for the LCWGT. Then, we study their trace class characterization and show that they are in the Schatten–von Neumann classes. Then, we study their spectral properties in order to give some results on the spectrograms for the LCDWT.

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Publication Details

Journal
Axioms
Published
2025-03-30
DOI
https://doi.org/10.3390/axioms14040262
Citations
6
Primary Topic
advanced mathematical theories
Type
article
Field-Weighted Citation Impact
22.15
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article

Localization Operators for the Linear Canonical Dunkl Windowed Transformation

Saifallah Ghobber, Hatem Mejjaolı
6 citations
Axioms
advanced mathematical theories
22.15
article

Localization Operators for the Linear Canonical Dunkl Windowed Transformation

Saifallah Ghobber, Hatem Mejjaolı
article en
6 citations

Abstract

One of the best known time–frequency tools for examining non-transient signals is the linear canonical windowed transform, which has been used extensively in signal processing and related domains. In this paper, by involving the harmonic analysis for the linear canonical Dunkl transform, we introduce and then study the linear canonical Dunkl windowed transform (LCDWT). Given that localization operators are both theoretically and practically relevant, we will focus in this paper on a number of time–frequency analysis topics for the LCDWT, such as the Lp boundedness and compactness of localization operators for the LCWGT. Then, we study their trace class characterization and show that they are in the Schatten–von Neumann classes. Then, we study their spectral properties in order to give some results on the spectrograms for the LCDWT.

AxiomsVol. 14(4)
Taibah University (SA), King Faisal University (SA)
Openalex Percentile: Top 0%
advanced mathematical theories
22.15
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Localization Operators for the Linear Canonical Dunkl Windowed Transformation — Saifallah Ghobber, Hatem Mejjaolı · Axioms (2025) | TGRS Research Map | TGRS