Uncertainty principles and integral equations associated with a quadratic-phase wavelet transform

被引:2
|
作者
Castro, L. P. [1 ]
Guerra, R. C. [2 ]
机构
[1] Univ Aveiro, Ctr Res & Dev Math & Applicat CIDMA, Dept Math, Aveiro, Portugal
[2] Univ Coimbra, Ctr Math Univ Coimbra CMUC, Dept Math, Coimbra, Portugal
关键词
convolution; integral equation; quadratic-phase Fourier transform; quadratic-phase wavelet transform; uncertainty principle;
D O I
10.1002/mma.9462
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Taking into account a wavelet transform associated with the quadratic-phase Fourier transform, we obtain several types of uncertainty principles, as well as identify conditions that guarantee the unique solution for a class of integral equations (related with the previous mentioned transforms). Namely, we obtain a Heisenberg-Pauli-Weyl-type uncertainty principle, a logarithmic-type uncertainty principle, a local-type uncertainty principle, an entropy-based uncertainty principle, a Nazarov-type uncertainty principle, an Amrein-Berthier-Benedicks-type uncertainty principle, a Donoho-Stark-type uncertainty principle, a Hardy-type uncertainty principle, and a Beurling-type uncertainty principle for such quadratic-phase wavelet transform. For this, it is crucial to consider a convolution and its consequences in establishing an explicit relation with the quadratic-phase Fourier transform.
引用
收藏
页码:16574 / 16595
页数:22
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