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Questions tagged [fourier-analysis]

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Questions on the discrete and continuous Fourier analysis functions of Mathematica, as well as the FourierSeries` package.

727 questions
Newest Active Bountied Unanswered
1 vote
0 answers
127 views

I found one related question here, but I am looking for other possible solutions for this DiracDelta function in the Fourier transform. ...
Spin's user avatar
  • 125
1 vote
0 answers
83 views

I'm working on computing the inverse Fourier transform of a function derived from a matrix construction involving a Poisson-weighted system. Here's the relevant setup.The main object is a matrix-...
Ruth Murphy's user avatar
  • 415
2 votes
1 answer
183 views

I have measured this signal over time (where x is time in seconds and y is AC in D): ...
Zarabu's user avatar
  • 119
0 votes
0 answers
105 views

Why does Periodogram overestimate the spectral power by a fraction of the sampling frequency? ...
Mahdi Razaz's user avatar
  • 397
3 votes
1 answer
305 views

I need the expression of the function $G(x)$ for which I have only the Fourier transform: \begin{equation} G(x)= \int_{-\infty}^{\infty} \frac{ dp}{2 \pi}e^{i p x} \frac { \sinh\left( \frac{ \pi p(1-\...
rimbalzando9's user avatar
  • 31
3 votes
2 answers
310 views

Fourier[Fourier[{1,2,3,4}]] gives {1,4,3,2} instead of a mirror image {4,3,2,1}. Is there a ...
Vsevolod A.'s user avatar
  • 204
2 votes
2 answers
233 views

I am trying to graph the 2D Fourier transform of the function: (x + I y) BesselJ[1, Sqrt[x^2 + y^2]]. However, I noticed that upon trying to evaluate this function, ...
jua ja's user avatar
  • 23
0 votes
1 answer
98 views

How can I find fourier series? A = 1, T = $\pi$ If we substitute A, T with numbers (A = 1, T = $\pi$), this code works perfectly. ...
kile's user avatar
  • 2,012

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