Question

Is a sinusoidal signal the only one not distorted by an LTI system?

score 973 · Answer 1 · 2016-12-30 10:00:39

973

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Is a sinusoidal signal the only one not distorted by an LTI system?

Published on 30 Dec 2016 - 10:00

score 2k · Answer 2 · 2026-03-31 20:31:51

2k

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Integrating Powers of $\frac{\sin x}{x}$ using Fourier Transforms

Published on 31 Mar 2026 - 20:31

score 472 · Answer 3 · 2026-03-26 09:19:56

472

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Fourier Transform of Various Tempered Distributions

Published on 26 Mar 2026 - 9:19

score 38 · Answer 4 · 2026-04-01 20:06:09

38

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Showing $\mathcal{F}(f\circ R_{\theta})=(\mathcal{F}f)\circ R_{\theta}$

Published on 01 Apr 2026 - 20:06

score 755 · Answer 5 · 2017-01-02 13:22:51

755

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Using the Plancherel formula to evaluate $\int_{-\infty}^{\infty}\frac{1}{(1+x^{2})^{2}}\,dx$

Published on 02 Jan 2017 - 13:22

score 97 · Answer 6 · 2026-03-31 22:45:59

97

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Distributional Limits of Fourier Transforms

Published on 31 Mar 2026 - 22:45

score 1k · Answer 7 · 2017-01-04 17:15:58

1k

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Calculate DTFT of $\cos (\pi/3 n) (n^4u[n+4] + n^2 u[n+2] - n^4 u[n-2] - n^2 u[n-4])$

Published on 04 Jan 2017 - 17:15

score 114 · Answer 8 · 2017-01-05 13:35:30

114

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Laplaces eqn using Fourier Transforms - boundedness of solution?

Published on 05 Jan 2017 - 13:35

score 4.4k · Answer 9 · 2017-01-05 13:37:59

4.4k

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What boundary condition is imposed when Fourier transform is used for solving differential equation on infinite domain?

Published on 05 Jan 2017 - 13:37

score 1.1k · Answer 10 · 2017-01-06 08:48:12

1.1k

Views

Fourier series / DFT with negative time units?

Published on 06 Jan 2017 - 8:48

score 97 · Answer 11 · 2026-03-25 13:13:31

97

Views

Showing $\sum_{j=1}^{n}\left(\frac{\partial}{\partial x_{j}}\right)^{m}$ is not elliptic for odd $m$

Published on 25 Mar 2026 - 13:13

score 1.1k · Answer 12 · 2026-03-28 13:59:35

1.1k

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Composition of Characteristic Function / Fourier Transformation

Published on 28 Mar 2026 - 13:59

score 105 · Answer 13 · 2017-01-08 13:44:15

105

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Need help to solve a definit integral using Fourier transform.

Published on 08 Jan 2017 - 13:44

score 4.1k · Answer 14 · 2026-03-26 19:37:52

4.1k

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Green's function Laplace equation through Fourier space

Published on 26 Mar 2026 - 19:37

score 32 · Answer 15 · 2017-01-10 10:21:19

32

Views

Calculate the convolution of $p_2(x)*u(x)$

Published on 10 Jan 2017 - 10:21

List Question

Is a sinusoidal signal the only one not distorted by an LTI system?

Integrating Powers of $\frac{\sin x}{x}$ using Fourier Transforms

Fourier Transform of Various Tempered Distributions

Showing $\mathcal{F}(f\circ R_{\theta})=(\mathcal{F}f)\circ R_{\theta}$

Using the Plancherel formula to evaluate $\int_{-\infty}^{\infty}\frac{1}{(1+x^{2})^{2}}\,dx$

Distributional Limits of Fourier Transforms

Calculate DTFT of $\cos (\pi/3 n) (n^4u[n+4] + n^2 u[n+2] - n^4 u[n-2] - n^2 u[n-4])$

Laplaces eqn using Fourier Transforms - boundedness of solution?

What boundary condition is imposed when Fourier transform is used for solving differential equation on infinite domain?

Fourier series / DFT with negative time units?

Showing $\sum_{j=1}^{n}\left(\frac{\partial}{\partial x_{j}}\right)^{m}$ is not elliptic for odd $m$

Composition of Characteristic Function / Fourier Transformation

Need help to solve a definit integral using Fourier transform.

Green's function Laplace equation through Fourier space

Calculate the convolution of $p_2(x)*u(x)$

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