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Signal Processing
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Val
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question
21
How poles are related to frequency response
Jun 12, 2013
question
9
Why more poles than zeroes?
Aug 5, 2013
question
6
Fourier transform of exponent: Delta pulse or hyperbola?
Mar 31, 2014
answer
6
Why convolution is required, or what is the philosophy behind convolution?
Jun 27, 2013
question
5
Where can I find a table of $z$-domain coefficients for Butterworth filters?
May 31, 2013
question
2
z-space replaces multiplication with convolution and frequency eigenvectors
Jun 2, 2013
question
2
White noise vs. delta pulse and Ultraviolet catastrofe
Jul 5, 2013
answer
1
Why is `fftfilt` (i.e. `fft` of both inputs, then element-wise multiplication, then `ifft`) faster than direct convolution?
Dec 13, 2013
question
0
what is the frequency response?
Jun 4, 2013
answer
0
Why do we need to have unity gain at DC for a lowpass filter?
Jun 4, 2013

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