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Vitali Pom

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fourier-series

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12 Questions

Votes Activity Newest Views

1

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1

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94

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Discrete-time Fourier transform of $\frac{\cos(\frac{n\pi} 6)}{(n+3)\pi}$

discrete-signals fourier-transform homework cosine sinc

May 29 at 18:38 Matt L. 71.6k

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44

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Where did the length of time’s period disappear in Periodic Fourier Series Discrete Time

discrete-signals fourier fourier-series

May 7 at 4:39 Cedron Dawg 6,463

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2

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36

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Where did the k of $a_k$ disappear from Fourier Reverse Transform if $\omega=\omega_0k$?

fourier-transform continuous-signals fourier-series

Apr 29 at 14:37 Matt L. 71.6k

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30

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Why is $\delta[an]=\frac 1 a \delta[n]$ in discrete time?

discrete-signals impulse-response

Apr 26 at 19:44 Matt L. 71.6k

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1

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36

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Mistake or not - Fourier Series of x(2t+3)

fourier-series

Jan 13 at 18:00 Community♦ 1

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1

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51

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The impact on the frequency of adding zero samples and non zero samples

fourier-transform sampling dft downsampling zero-padding

Aug 21 at 12:16 Vitali Pom 154

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31

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Adding zeroes in between the samples of a discrete frequency domain leads to both zero padding and scaling

fourier-transform downsampling zero-padding scaling

Aug 16 at 13:50 Vitali Pom 154

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2

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66

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When do we divide by $2\pi$ while solving Nyquist problems?

nyquist

Jun 19 at 22:55 DSP Rookie 2,303

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0

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32

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$2\pi$ Periodicity is not working for me for Fourier of Discrete Time Signal

discrete-signals fourier-transform fourier periodic dtft

May 19 at 11:33 Vitali Pom 154

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3

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51

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Loosing information in decimation - without aliasing

downsampling aliasing

May 9 at 19:26 Vitali Pom 154

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2

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29

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How can it be that there is a series of integrals in Fourier Series if it’s a projection on a continuous basis?

fourier fourier-series periodic projection

May 3 at 20:39 Vitali Pom 154

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2

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170

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Time scaling of a shifted function

continuous-signals scaling

Aug 16 at 9:00 Laurent Duval 25.6k

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