Time-frequency concentration and localization operators associated with the directional short-time fourier transform

被引:0
|
作者
Ghobber, Saifallah [1 ]
Mejjaoli, Hatem [2 ]
机构
[1] King Faisal Univ, Coll Sci, Dept Math & Stat, POB 400, Al Hasa 31982, Saudi Arabia
[2] Taibah Univ, Coll Sci, Dept Math, POB 30002, Al Madinah Al Munawarah, Saudi Arabia
关键词
Directional short-time Fourier transform; Quantitative uncertainty principles; Generalized multipliers; Generalized two-wavelet multipliers; Landau-Pollak-Slepian operator; UNCERTAINTY PRINCIPLES;
D O I
10.1007/s11868-022-00465-8
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In the present article, we prove new quantitative uncertainty principles for the directional short-time Fourier transform. Next, we introduce the notion of the generalized wavelet multipliers associated with the inverse of the directional short-time Fourier transform. We study the boundedness, Schatten class properties of these operator and give a trace formula. In particular we prove that the generalized Landau-Pollak-Slepian operator is a generalized wavelet multiplier. Finally, we investigate the boundedness and compactness of the generalized wavelet multipliers in the L-p-spaces.
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页数:60
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