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  1. Definition of Sinc function - Mathematics Stack Exchange

    Apr 19, 2012 · 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: …

  2. 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 Whittaker–Shannon …

  3. 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 material...

  4. Fourier transform of sinc function. - Mathematics Stack Exchange

    Jan 20, 2015 · Fourier transform of sinc function. Ask Question Asked 10 years, 10 months ago Modified 1 year, 6 months ago

  5. Derivative of sinc function - Mathematics Stack Exchange

    Aug 27, 2015 · Derivative of sinc function Ask Question Asked 14 years, 2 months ago Modified 10 years, 3 months ago

  6. Sinc function vs Dirichlet kernel - Mathematics Stack Exchange

    Thank you for your reply! Convolution of a function with the Dirichlet kernel produces the partial sum representing the function after forward and inverse Fourier transform. Does it make any sense to call …

  7. convolution of gaussian and sinc function - Mathematics Stack Exchange

    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 transform domain …

  8. integration - Derive Fourier transform of sinc function - Mathematics ...

    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 start with the

  9. Integral of Sinc Function Squared Over The Real Line

    Integral of Sinc Function Squared Over The Real Line [duplicate] Ask Question Asked 11 years, 4 months ago Modified 11 years, 4 months ago

  10. If $cos (A-B)+cos (B-C)+cos (C-A)=\frac {-3} {2}$, prove that $cosA ...

    Continuing from where we left off, we have that $$ 2 (\cos a \cos b + \sin a \sin b + \cos b \cos c + \sin b \sin c + \cos c \cos a + \sin c \sin a) + 3 = 0. $$ Now we write $3$ as $ (\cos^2 a + \sin^2 a) + (\cos^2 …