List questions from fourier-transform

Published on 22 Mar 2026 - 4:40

91

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Compute $I = \int_{0}^{\infty} \frac{8}{\gamma^{4}} x^{3} e^{-\frac{2}{\gamma^{2}}x^{2}} e^{jxt} dx$

Published on 26 Mar 2026 - 13:00

116

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What is the Fourier transform of the product of two shifted-input functions?

Published on 27 Mar 2026 - 3:34

25

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Fourier transform: How long should the observed period be with respect to the frequencies that I expect to observe?

Published on 29 Mar 2026 - 3:36

70

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weighted inequality of Fourier transform

Published on 26 Mar 2019 - 15:32

18

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Solving $\sum\limits_{k=1}^n e(x-x_k) = h(x)$ for $e(x)$, where $x_k$ and $h(x)$ are given (updated)

Published on 27 Mar 2026 - 3:42

78

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What type of PDE's can one solve using Fourier Transforms?

Published on 27 Mar 2019 - 11:44

1.3k

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For Fourier series, where does the $\pi$ and the $2\pi$ come from?

Published on 25 Mar 2026 - 22:04

6.8k

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Determine Discrete-Time Fourier Transform of exponential or sine with time-shift?

Published on 28 Mar 2026 - 4:00

1k

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Inverse discrete Fourier transform

Published on 27 Mar 2019 - 17:19

30

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Confused With using Fast Fourier Transformation for solving equations

Published on 25 Mar 2026 - 9:35

83

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Why do we have $\int_{t_0}^t \delta(t-t') c(t')=\frac{1}{2} c(t)$?

Published on 26 Mar 2026 - 11:00

26

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Fourier transformation of a function

Published on 29 Mar 2019 - 4:33

146

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Convolution of Delta Functions with a pole

Published on 27 Mar 2026 - 5:15

39

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How do I use the laplace transformations to solve this initial value problem?

Published on 26 Mar 2026 - 1:27

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On conditions for Plancherel Theorem

Compute $I = \int_{0}^{\infty} \frac{8}{\gamma^{4}} x^{3} e^{-\frac{2}{\gamma^{2}}x^{2}} e^{jxt} dx$

What is the Fourier transform of the product of two shifted-input functions?

Fourier transform: How long should the observed period be with respect to the frequencies that I expect to observe?

weighted inequality of Fourier transform

Solving $\sum\limits_{k=1}^n e(x-x_k) = h(x)$ for $e(x)$, where $x_k$ and $h(x)$ are given (updated)

What type of PDE's can one solve using Fourier Transforms?

For Fourier series, where does the $\pi$ and the $2\pi$ come from?

Determine Discrete-Time Fourier Transform of exponential or sine with time-shift?

Inverse discrete Fourier transform

Confused With using Fast Fourier Transformation for solving equations

Why do we have $\int_{t_0}^t \delta(t-t') c(t')=\frac{1}{2} c(t)$?

Fourier transformation of a function

Convolution of Delta Functions with a pole

How do I use the laplace transformations to solve this initial value problem?

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