List questions from fourier-analysis

Published on 02 Apr 2026 - 9:47

231

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How to interchange sum and integral when measure is in terms of Dirac measure?

Published on 19 Apr 2014 - 6:34

2.1k

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Find the Fourier Transform of $\dfrac{x}{x^4+4}$

Published on 28 Mar 2026 - 7:57

276

Views

Complex exponential is not Fourier multiplier on $L^p$

Published on 31 Mar 2026 - 16:22

1.4k

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Fourier Transform of rational function

Published on 29 Mar 2026 - 19:08

926

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Question about the frequency domain and the fourier transform

Published on 26 Mar 2026 - 17:31

32.7k

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Concrete FFT polynomial multiplication example

Published on 30 Mar 2026 - 21:07

114

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Spectrum of a Rectangular signal?

Published on 22 Apr 2014 - 20:40

2k

Views

Why divide by N (length of input sequence) during IDFT?

Published on 26 Mar 2026 - 17:30

2.1k

Views

What's the point of Dirac delta function?

Published on 26 Mar 2026 - 17:35

33

Views

why is integral of dirchlet from negative pie to pie equal to pie

Published on 23 Apr 2014 - 4:57

224

Views

What is the Fourier series of $e^{\mu\cos\theta}$?

Published on 26 Mar 2026 - 0:53

129

Views

Method of PDE solution by Fourier transform

Published on 28 Mar 2026 - 5:01

142

Views

d-dimensional integral of exponential and determinant

Published on 23 Apr 2014 - 22:46

553

Views

Not understanding one step in derivation of Dirichlet kernel

Published on 30 Mar 2026 - 16:04

List Question

The Fourier transform of a power of the absolute value function (and a related integral)

How to interchange sum and integral when measure is in terms of Dirac measure?

Find the Fourier Transform of $\dfrac{x}{x^4+4}$

Complex exponential is not Fourier multiplier on $L^p$

Fourier Transform of rational function

Question about the frequency domain and the fourier transform

Concrete FFT polynomial multiplication example

Spectrum of a Rectangular signal?

Why divide by N (length of input sequence) during IDFT?

What's the point of Dirac delta function?

why is integral of dirchlet from negative pie to pie equal to pie

What is the Fourier series of $e^{\mu\cos\theta}$?

Method of PDE solution by Fourier transform

d-dimensional integral of exponential and determinant

Not understanding one step in derivation of Dirichlet kernel

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