Signal Processing
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MrCasuality
  • Member for 5 years, 3 months
  • Last seen more than 5 years ago
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16 Questions

Score Activity Newest Views
2 votes
1 answer
3k views

Is the inverse of a causal system also causal?

2 votes
1 answer
118 views

Hidden zero in system equation $H(z)$

1 vote
1 answer
178 views

Does the system function H(z) for a filter always have symmetry above and below the real x-axis?

1 vote
1 answer
38 views

z-transform causality properties: negative coefficents are zero ($x[-1]z^1=0$, $x[-2]z^2=0$, ...)

1 vote
1 answer
975 views

ROC of inverse system function

1 vote
1 answer
936 views

what symmetry does system function H(z) have if h[n] is real?

1 vote
1 answer
1k views

What's the difference between "Discrete Fourier Series" and "Discrete Fourier Transform"? [duplicate]

1 vote
1 answer
727 views

DFT conjugate of $X^*[k]$, how to prove its formula in terms of $x^*[n]$?

1 vote
1 answer
1k views

downsampling DFT with aliasing

1 vote
1 answer
76 views

DFT product of sinusoids

1 vote
1 answer
108 views

Z-transform of not quite an upsampler

1 vote
1 answer
243 views

time downsampling vs. frequency downsampling [closed]

1 vote
2 answers
714 views

DFT sample point k < N has negative frequency

0 votes
1 answer
88 views

system function $H(\omega)$ relationship to odd and even components of h[n]

0 votes
2 answers
486 views

Squared magnitude of System Function H(z)

-1 votes
1 answer
40 views

graph of poles at the same location