Results 11 to 20 of about 40,883 (310)

Nonlinearizad of Fast Fourier Transform

Цифровые модели и решения, 2023
A unified mathematical form of reversible nonlinear transformations based on a nonlinear tensor product is presented in the form of fast algorithms.
Valeriy Labunets, Victor Chasovskikh, Evgeniy Starikov   +2 more
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Different computational approach for Fourier transforms by using variational iteration method

Journal of New Results in Science, 2022
In this paper, we present another method for computing Fourier transforms of functions considering the Variational Iteration Method (VIM). Through our procedure, the Fourier transforms of functions can be calculated precisely and without reference to ...
Murat Düz, Ahmad Issa
doaj   +1 more source

On Fourier transforms [PDF]

Transactions of the American Mathematical Society, 1974
If f ( x ) f(x)
openaire   +1 more source

Fourier restriction to polynomial curves I: a geometric inequality [PDF]

, 2010
We prove a Fourier restriction result for general polynomial curves in Rd. Measuring the Fourier restriction with respect to the affine arclength measure of the curve, we obtain a universal estimate for the class of all polynomial curves of bounded ...
Wright, James, Wright, J., null Spyridon Dendrinos, null James Wright, Dendrinos, Spyridon, Dendrinos, S.   +5 more
core   +1 more source

On a relation between two-dimensional Fourier integrals and series of Hankel transforms [PDF]

, 1965
Procedures are developed for expressing twodimensional Fourier transforms in terms of tabulated one-dimensional ...
Cornacchio J. V.; Soni, R. P.
core   +1 more source

Coded fourier transform

2017 55th Annual Allerton Conference on Communication, Control, and Computing (Allerton), 2017
We consider the problem of computing the Fourier transform of high-dimensional vectors, distributedly over a cluster of machines consisting of a master node and multiple worker nodes, where the worker nodes can only store and process a fraction of the inputs.
Qian Yu 0001, Mohammad Ali Maddah-Ali, Amir Salman Avestimehr   +2 more
openaire   +2 more sources

Radar matched filtering using the fractional fourier transform [PDF]

, 2010
-A matched filter is the optimal linear filter for maximizing the signal to noise ratio (SNR) in the presence of additive noise. Matched filters are commonly used in radar systems where the transmitted signal is known and may be used as a replica to be ...
Clemente, Carmine, S.A. Elgamel, C. Clemente, Elgamel, Sherif A.E.H., Soraghan, J.J., J.J. Soraghan   +5 more
core   +1 more source

Fractional cosine and sine transforms in relation to the fractional Fourier and Hartley transforms [PDF]

, 2003
The fractional cosine and sine transforms - closely related to the fractional Fourier transform, which is now actively used in optics and signal processing, and to the fractional Hartley transform - are introduced and their main properties and possible ...
T. Alieva, M.J. Bastiaans, Bastiaans, M.J., Bastiaans, MJ Martin, Alieva, T Tatiana, Alieva, T.   +5 more
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The Design of Low Complexity Low Power Pipelined Short Length Winograd Fourier Transforms [PDF]

, 2014
In this paper a novel pipelining approach applicable to Winograd Fourier transforms is presented. The novel approach makes use of reconfigurable multiplier blocks to implement the real multipliers required for the transform as well as sharing the ...
Stephen Brown, Piero Angeletti, Morling, R.C.S., Brown, S., Richard C. S. Morling, Robert Hughes, Angeletti, P., Kale, I., Izzet Kale, Adem Coskun, Coskun, A., Hughes, R.   +11 more
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Fourier transforms of Dini-Lipschitz functions

International Journal of Mathematics and Mathematical Sciences, 1986
It is well known that if Lipschitz conditions of a certain order are imposed on a function f(x), then these conditions affect considerably the absolute convergence of the Fourier series and Fourier transforms of f.
M. S. Younis
doaj   +1 more source