
How does sinc interpolation work? - Mathematics Stack Exchange
Convolution with sinc pulses What we want to do to reconstruct the signal is a convolution between the samples and scaled and shifted versions of sinc. This technique is known as …
Fourier transform of sinc function - Mathematics Stack Exchange
Let us consider the Fourier transform of $\\mathrm{sinc}$ function. As I know it is equal to a rectangular function in frequency domain and I want to get it myself, I know there is a lot of …
Definition of Sinc function - Mathematics Stack Exchange
I just want to make clear of the definition of sinc(x). I know there is a normalized and unnormalized definition for the sinc function. If we have unnormalized sinc then we have: $$\\sin(x)/x=\\text{...
Dirac delta function as a limit of sinc function
Jan 2, 2015 · The sinc function (with appropriate scaling) is the Fourier transform of the indicator function of an interval centered at $0$. The delta function is the Fourier transform of the …
Sinc function vs Dirichlet kernel - Mathematics Stack Exchange
1 Cf. this article What is the sum of a sinc function series sampled periodically . This article excellently describes the relation between the sum of a periodic sinc sampling function and the …
integration - Derive Fourier transform of sinc function
Apr 24, 2012 · We know that the Fourier transform of the sinc function is the rectangular function (or top hat). However, I'm at a loss as to how to prove it. Most textbooks and online sources …
Fourier transform of sinc function. - Mathematics Stack Exchange
Jan 20, 2015 · Fourier transform of sinc function. Ask Question Asked 10 years, 9 months ago Modified 1 year, 4 months ago
convolution of gaussian and sinc function - Mathematics Stack …
Jan 11, 2012 · The convolution of a sinc and a gaussian is the Fourier transform of the product of a rect and a gaussian which is a truncated gaussian. Maybe looking at the problem in the …
Integral of Sinc Function Squared Over The Real Line
Integral of Sinc Function Squared Over The Real Line [duplicate] Ask Question Asked 11 years, 2 months ago Modified 11 years, 2 months ago
functional analysis - sinc function in terms of Hermite function ...
Dec 15, 2011 · Is there any formula which represent the sinc function $\operatorname {\rm sinc} (x)=\dfrac {\sin (\pi x)} {\pi x}$ (its expansion) in terms of the Chebychev-Hermite function?