Results 11 to 20 of about 11,364,385 (285)

On Two-Dimensional Quaternion Wigner-Ville Distribution [PDF]

open access: yesJournal of Applied Mathematics, 2014
We present the two-dimensional quaternion Wigner-Ville distribution (QWVD). The transform is constructed by substituting the Fourier transform kernel with the quaternion Fourier transform (QFT) kernel in the classical Wigner-Ville distribution definition.
Mawardi Bahri
doaj   +2 more sources

Uncertainty principles for coupled fractional Wigner–Ville distribution

open access: yesRoyal Society Open Science
The coupled fractional Wigner–Ville distribution is a more general version of the fractional Wigner–Ville distribution. Main properties including boundedness, Moyal’s formula and inversion formula are studied in detail for the transformation ...
Andi Tenri Ajeng Nur   +3 more
doaj   +2 more sources

Free Metaplectic K-Wigner Distribution: Uncertainty Principles and Applications

open access: yesFractal and Fractional
This study focuses on a novel parameterized Wigner distribution, which is an organic integration of the free metaplectic Wigner distribution and the K-Wigner distribution.
Long Wang   +3 more
doaj   +2 more sources

An Interplay of Wigner–Ville Distribution and 2D Hyper-Complex Quadratic-Phase Fourier Transform

open access: yesFractal and Fractional, 2023
Two-dimensional hyper-complex (Quaternion) quadratic-phase Fourier transforms (Q-QPFT) have gained much popularity in recent years because of their applications in many areas, including color image and signal processing.
Mohammad Younus Bhat   +3 more
doaj   +1 more source

Wigner Time-Delay and Distribution for Polarization Interaction in Strongly Coupled Semiclassical Plasmas

open access: yesEntropy, 2020
The quantum effect on the Wigner time-delay and distribution for the polarization scattering in a semiclassical dense plasma is explored. The partial wave analysis is applied for a partially ionized dense plasma to derive the phase shift for the ...
Myoung-Jae Lee, Young-Dae Jung
doaj   +1 more source

Wigner distribution function and alienation coefficient‐based transmission line protection scheme

open access: yesIET Generation, Transmission & Distribution, 2020
This study presents an algorithm for detection, classification, and location of transmission line faults. A fault index based on features extracted from current signals using the alienation coefficient and Wigner distribution function has been proposed ...
Om Prakash Mahela   +5 more
semanticscholar   +1 more source

Linear perturbations of the Wigner distribution and the Cohen class [PDF]

open access: yesAnalysis and Applications, 2018
The Wigner distribution is a milestone of Time–frequency Analysis. In order to cope with its drawbacks while preserving the desirable features that made it so popular, several kinds of modifications have been proposed.
E. Cordero, S. I. Trapasso
semanticscholar   +1 more source

Symplectic Radon Transform and the Metaplectic Representation

open access: yesEntropy, 2022
We study the symplectic Radon transform from the point of view of the metaplectic representation of the symplectic group and its action on the Lagrangian Grassmannian.
Maurice A. de Gosson
doaj   +1 more source

Zeros of the Wigner distribution and the short-time Fourier transform [PDF]

open access: yesRevista Matemática Complutense, 2018
We study the question under which conditions the zero set of a (cross-) Wigner distribution W(f, g) or a short-time Fourier transform is empty. This is the case when both f and g are generalized Gaussians, but we will construct less obvious examples ...
K. Gröchenig   +2 more
semanticscholar   +1 more source

Holograhic Wigner distributions for the pion [PDF]

open access: yesHadron Spectroscopy and Structure, 2020
6 pages, 2 figures : Proceeding for the 18th International Conference on Hadron Spectroscopy and Structure (HADRON-2019)
Ahmady, Mohammad   +4 more
openaire   +2 more sources

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