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Vitali Pom

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fourier-series

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12 Questions

Votes Activity Newest Views

0

votes

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39

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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

answer

57

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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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33

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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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181

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Time scaling of a shifted function

continuous-signals scaling

Aug 16 at 9:00 Laurent Duval 26.3k

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2

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73

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

nyquist

Jun 19 at 22:55 DSP Rookie 2,363

1

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121

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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. 73k

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33

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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 '20 at 11:33 Vitali Pom 154

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3

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66

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Loosing information in decimation - without aliasing

downsampling aliasing

May 9 '20 at 19:26 Vitali Pom 154

1

1

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2

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48

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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 '20 at 4:39 Cedron Dawg 6,501

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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 '20 at 20:39 Vitali Pom 154

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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 '20 at 14:37 Matt L. 73k

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

discrete-signals impulse-response

Apr 26 '20 at 19:44 Matt L. 73k

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