Results 231 to 240 of about 2,040,052 (266)

Linear canonical deformed Hankel transform and the associated uncertainty principles

Journal of Pseudo-Differential Operators and Applications, 2023
H. Mejjaoli, S. Negzaoui
semanticscholar   +1 more source

Quasi-discrete Hankel transform

Optics Letters, 1998
A quasi-discrete Hankel transform (QDHT) is presented as a new and efficient framework for numerical evaluation of the zero-order Hankel transform. A discrete form of Parseval's theorem is obtained for the first time to the authors' knowledge, and the transform matrix is discussed.
Yu, L., Huang, M. C., Chen, M. Z., Chen, W. Z., Huang, W. D., Zhu, Z. Z.   +5 more
openaire   +4 more sources

Modulus of Continuity and Modulus of Smoothness related to the Deformed Hankel Transform

Results in Mathematics, 2021
S. Negzaoui, Sara Oukili
semanticscholar   +1 more source

Computation of Hankel Transforms

SIAM Review, 1972
This paper deals with the numerical computation of the Hankel transform. Different methods of calculating this transform are presented with computer times and limitations on calculation for each method.
openaire   +2 more sources

Hankel transforms and weak dispersion

2021
This survey is concerned with a general strategy, based on Hankel transforms and special functions decompositions, to prove weak dispersive estimates for a class of PDE's. Inspired by [2], we show how to adapt the method to some scaling critical dispersive models, as the Dirac-Coulomb equation and the fractional Schr¨odinger and Dirac equation in ...
Cacciafesta, Federico, Fanelli, Luca
openaire   +3 more sources

Fast algorithms for perturbed Toeplitz-plus-Hankel system based on discrete cosine transform and their applications

Japan journal of industrial and applied mathematics, 2023
Xinglong Zhang, Yanpeng Zheng, Zhaolin Jiang, Hee-Young Byun   +3 more
semanticscholar   +1 more source

Analytical Solutions of the Advection–Diffusion Equation with Variable Vertical Eddy Diffusivity and Wind Speed Using Hankel Transform

Pure and Applied Geophysics, 2020
K. Essa, A. Shalaby, M. A. A. Ibrahim, A. Mosallem   +3 more
semanticscholar   +1 more source

Is the fast Hankel transform faster than quadrature

, 2012
The fast Hankel transform (FHT) implemented with digital filters has been the algorithm of choice in EM geophysics for a few decades. However, other disciplines have predominantly relied on methods that break up the Hankel transform integral into a sum ...
K. Key
semanticscholar   +1 more source

Quasi fast Hankel transform

Optics Letters, 1977
We outline here a new algorithm for evaluating Hankel (Fourier–Bessel) transforms numerically with enhanced speed, accuracy, and efficiency. A nonlinear change of variables is used to convert the one-sided Hankel transform integral into a two-sided cross-correlation integral. This correlation integral is then evaluated on a discrete sampled basis using
openaire   +3 more sources

A mathematical analysis of a circular pipe in rate type fluid via Hankel transform

The European Physical Journal Plus, 2018
Kashif Ali Abro, I. Khan, J. F. Gómez‐Aguilar   +2 more
semanticscholar   +1 more source