List questions from fourier-transform

Published on 09 Apr 2026 - 8:06

182

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Why does Discrete Fourier Transform of $\sin^2(x)$ seemingly have an extra frequency component compared to $|\sin x|$?

Published on 14 Apr 2026 - 8:23

78

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How do I compute the inverse Fourier transform of a singular function?

Published on 31 Mar 2026 - 12:29

143

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Constraining input to an inverse Fourier transform to give real-only output

Published on 15 Apr 2026 - 8:36

323

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Fourier transform of uniform distribution on irreducible representation

Published on 10 Apr 2026 - 23:23

323

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Converting from Fourier transforms in terms of radian frequency ($\omega$) to normal frequency f (in Hz)?

Published on 09 Apr 2026 - 4:31

106

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Computing Fourier transform of $|x|^{−\alpha}$ in $\mathbb{R}^n$ using Schwinger's trick

Published on 14 Apr 2026 - 5:17

189

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Fourier transform of [something]*Gaussian

Published on 25 Mar 2026 - 10:52

86

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Green Function for Different a Differential Operator

Published on 09 Apr 2026 - 4:53

29

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On the value of the integral of an exponential complex function on $[0,+\infty]$ related to quantum mechanics

Published on 24 Apr 2026 - 14:41

41

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Inequality of fourier transform for $L^2$ functions

Published on 15 Apr 2026 - 3:10

35

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Fourier transform of delta composed to a function

Published on 25 Apr 2026 - 8:14

167

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Coefficients of Fourier series of function defined on $[0,2\pi]$

Published on 10 Apr 2026 - 16:41

160

Views

Generalizing Parseval's Theorem

Published on 18 Apr 2026 - 12:57

281

Views

Proof of a weighted norm inequality.

Published on 10 Apr 2026 - 12:00

List Question

Fourier Transform Exponential Shift

Why does Discrete Fourier Transform of $\sin^2(x)$ seemingly have an extra frequency component compared to $|\sin x|$?

How do I compute the inverse Fourier transform of a singular function?

Constraining input to an inverse Fourier transform to give real-only output

Fourier transform of uniform distribution on irreducible representation

Converting from Fourier transforms in terms of radian frequency ($\omega$) to normal frequency f (in Hz)?

Computing Fourier transform of $|x|^{−\alpha}$ in $\mathbb{R}^n$ using Schwinger's trick

Fourier transform of [something]*Gaussian

Green Function for Different a Differential Operator

On the value of the integral of an exponential complex function on $[0,+\infty]$ related to quantum mechanics

Inequality of fourier transform for $L^2$ functions

Fourier transform of delta composed to a function

Coefficients of Fourier series of function defined on $[0,2\pi]$

Generalizing Parseval's Theorem

Proof of a weighted norm inequality.

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