Question

Average and autocorrelation of $\sum_{k=-\infty}^{+ \infty} (-1)^{k+1}\delta(t-kT)$

score 195 · Answer 1 · 2026-05-10 23:27:48

195

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Average and autocorrelation of $\sum_{k=-\infty}^{+ \infty} (-1)^{k+1}\delta(t-kT)$

Published on 10 May 2026 - 23:27

score 62 · Answer 2 · 2026-04-16 03:40:43

62

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Topological "filters" and convolutions, are they related or is it just a coincidence of name choice?

Published on 16 Apr 2026 - 3:40

score 1.8k · Answer 3 · 2026-04-13 23:16:29

1.8k

Views

Inverse Fourier transform of 1/(1-1/4*e^(-jw))

Published on 13 Apr 2026 - 23:16

score 115 · Answer 4 · 2026-04-16 20:45:26

115

Views

Convolution of a discrete signal $f$ with $g$ computing the centered finite difference derivative of $f$

Published on 16 Apr 2026 - 20:45

score 183 · Answer 5 · 2026-04-13 00:51:41

183

Views

Whittaker-Shannon-Kotel’nikov theorem in higher dimensions

Published on 13 Apr 2026 - 0:51

score 255 · Answer 6 · 2026-04-10 15:16:27

255

Views

How do we need to read the Dirac-comb identity?

Published on 10 Apr 2026 - 15:16

score 3.1k · Answer 7 · 2026-04-11 07:01:11

3.1k

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Convolution of two square pulses and the Fourier transform of a triangular pulse

Published on 11 Apr 2026 - 7:01

score 202 · Answer 8 · 2026-05-10 15:53:36

202

Views

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Published on 10 May 2026 - 15:53

score 111 · Answer 9 · 2026-05-04 06:51:06

111

Views

Why is this problem (multiuser transmit beamforming problem) an SOCP?

Published on 04 May 2026 - 6:51

score 482 · Answer 10 · 2026-04-11 03:15:20

482

Views

Fourier transform of a product of exponential and rectangular window

Published on 11 Apr 2026 - 3:15

score 1.7k · Answer 11 · 2026-04-17 10:25:31

1.7k

Views

Relation between the unit sample sequence δ[n] and the unit step sequence u[n]

Published on 17 Apr 2026 - 10:25

score 15.4k · Answer 12 · 2026-04-12 17:56:52

15.4k

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What is the convolution of 2 dirac functions?

Published on 12 Apr 2026 - 17:56

score 53 · Answer 13 · 2026-05-10 21:19:10

53

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Discrete time-invariant MIMO systems with a multidimensional state

Published on 10 May 2026 - 21:19

score 61 · Answer 14 · 2026-04-13 20:33:06

61

Views

Definition of instantaneous frequency in Wikipedia

Published on 13 Apr 2026 - 20:33

score 85 · Answer 15 · 2026-05-10 16:31:33

85

Views

Classifying Customers by Purchase Periodicity

Published on 10 May 2026 - 16:31

List Question

Average and autocorrelation of $\sum_{k=-\infty}^{+ \infty} (-1)^{k+1}\delta(t-kT)$

Topological "filters" and convolutions, are they related or is it just a coincidence of name choice?

Inverse Fourier transform of 1/(1-1/4*e^(-jw))

Convolution of a discrete signal $f$ with $g$ computing the centered finite difference derivative of $f$

Whittaker-Shannon-Kotel’nikov theorem in higher dimensions

How do we need to read the Dirac-comb identity?

Convolution of two square pulses and the Fourier transform of a triangular pulse

Filter a signal using FFT

Why is this problem (multiuser transmit beamforming problem) an SOCP?

Fourier transform of a product of exponential and rectangular window

Relation between the unit sample sequence δ[n] and the unit step sequence u[n]

What is the convolution of 2 dirac functions?

Discrete time-invariant MIMO systems with a multidimensional state

Definition of instantaneous frequency in Wikipedia

Classifying Customers by Purchase Periodicity

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