List questions from fourier-transform

Published on 31 May 2017 - 22:23

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Fourier transform of absolute values

Published on 10 Apr 2026 - 11:53

184

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Prove variation of Titchsmarsh convolution theorem

Published on 12 Apr 2026 - 18:54

798

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Use Parseval's equation and the table of Fourier series to evaluate $\sum\frac{1}{(1+n^2)^2}$

Published on 09 Apr 2026 - 10:03

1.3k

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Fourier transform with a different sign convention

Published on 31 Mar 2026 - 5:58

3.7k

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How to calculate Fourier transform on a linear discontinuous function?

Published on 10 Apr 2026 - 10:07

168

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How/why is it that a periodic function or signal can be split into a series of sinusoids?

Published on 12 Apr 2026 - 10:26

50

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How is it known that $ \int_{-\infty}^\infty \mathrm dp'\exp\left[\frac{ip'(x' -x'')}{\hbar}\right] = 2 \pi \hbar \delta(x' -x'') $?

Published on 02 Jun 2017 - 17:15

35

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Is phase shifting all the harmonics in $f(t)$ by π the same as multiplying $f(t)$ by -1?

Published on 03 Jun 2017 - 17:40

1.1k

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Fourier Sine Integral

Published on 09 Apr 2026 - 1:18

344

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Fourier Series of $f(x) = 0$ from $(−1,0)$ , $3x$ from $(0,1)$ , f=(x+2)

Published on 03 Jun 2017 - 19:58

206

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Discrete Fourier transform of csc^2 sequence

Published on 12 Apr 2026 - 23:19

161

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Singularity of Hankel Transform at $r=0$

Published on 10 Apr 2026 - 2:06

4.1k

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Fourier transform of an exponential function

Published on 10 Apr 2026 - 20:33

33

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Proof concerning Fourier transform

Published on 10 Apr 2026 - 21:03

List Question

Applying Fourier transform to solve a PDE

Fourier transform of absolute values

Prove variation of Titchsmarsh convolution theorem

Use Parseval's equation and the table of Fourier series to evaluate $\sum\frac{1}{(1+n^2)^2}$

Fourier transform with a different sign convention

How to calculate Fourier transform on a linear discontinuous function?

How/why is it that a periodic function or signal can be split into a series of sinusoids?

How is it known that $ \int_{-\infty}^\infty \mathrm dp'\exp\left[\frac{ip'(x' -x'')}{\hbar}\right] = 2 \pi \hbar \delta(x' -x'') $?

Is phase shifting all the harmonics in $f(t)$ by π the same as multiplying $f(t)$ by -1?

Fourier Sine Integral

Fourier Series of $f(x) = 0$ from $(−1,0)$ , $3x$ from $(0,1)$ , f=(x+2)

Discrete Fourier transform of csc^2 sequence

Singularity of Hankel Transform at $r=0$

Fourier transform of an exponential function

Proof concerning Fourier transform

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