List questions from fourier-analysis

Published on 29 Mar 2026 - 12:11

71

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Integral of $\int_{-\pi}^{\pi}\frac{\sin^2 \theta}{(\frac{1}{2}+iw\cos \theta)^4} d\theta$

Published on 28 Mar 2026 - 3:03

180

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Find the Fourier Transform of $ \frac{\sin (x)}{x}$

Published on 30 Mar 2026 - 17:03

117

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Calculate $\sum_\limits{n=-\infty}^{\infty} \left(\frac{\sin(w_0n)}{\pi n}\right)^4$ where $w_0<\frac{\pi}{2}$

Published on 30 Mar 2026 - 17:03

286

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Characterization of a subset of the Sobolev space $H^k(0,2\pi)$ in terms of Fourier series

Published on 30 Mar 2026 - 4:00

69

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Let $H(e^{iw})=iw$. Use this to calculate a related sum $\sum_{1}^{\infty} \frac{1}{n^2}$

Published on 30 Mar 2026 - 17:03

97

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Convergence Fourier Series

Published on 30 Mar 2026 - 5:40

2k

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Inverse Fourier transform rectangle function

Published on 30 Mar 2026 - 16:57

51

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Complex integral in spectrum estimator

Published on 28 Mar 2026 - 3:00

143

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Rough Cutoff of Fourier Transform

Published on 30 Mar 2026 - 18:20

866

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Why does the DTFT of unit step function exist?

Published on 30 Mar 2026 - 5:40

427

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Book for Mathematics applied to engineering

Published on 26 Mar 2026 - 3:18

50

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$h=1_{[-1,1]}$ and $g_n=1_{[-n,n]}$. Determine $f_n$ such that $\hat f_n=g_n \star h$

Published on 30 Mar 2026 - 20:45

167

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Inequality of Fourier Transform

Published on 30 Mar 2026 - 20:41

726

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Output of $e^{jw_0n}$ using transfer function $H(e^{jw})$

Published on 26 Mar 2026 - 12:51

List Question

If $y''(x) +1 = 1/y(x)$ and $y(0)>y'(0)=0$, then for what $L$ does $y(0)=y(L)$?

Integral of $\int_{-\pi}^{\pi}\frac{\sin^2 \theta}{(\frac{1}{2}+iw\cos \theta)^4} d\theta$

Find the Fourier Transform of $ \frac{\sin (x)}{x}$

Calculate $\sum_\limits{n=-\infty}^{\infty} \left(\frac{\sin(w_0n)}{\pi n}\right)^4$ where $w_0<\frac{\pi}{2}$

Characterization of a subset of the Sobolev space $H^k(0,2\pi)$ in terms of Fourier series

Let $H(e^{iw})=iw$. Use this to calculate a related sum $\sum_{1}^{\infty} \frac{1}{n^2}$

Convergence Fourier Series

Inverse Fourier transform rectangle function

Complex integral in spectrum estimator

Rough Cutoff of Fourier Transform

Why does the DTFT of unit step function exist?

Book for Mathematics applied to engineering

$h=1_{[-1,1]}$ and $g_n=1_{[-n,n]}$. Determine $f_n$ such that $\hat f_n=g_n \star h$

Inequality of Fourier Transform

Output of $e^{jw_0n}$ using transfer function $H(e^{jw})$

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