endolith
  • Member for 10 years, 5 months
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3 answers
111 votes
44k views
61 bookmarks
Why is it a bad idea to filter by zeroing out FFT bins?
2 answers
37 votes
19k views
18 bookmarks
What's the difference between the Hough and Radon transforms?
4 answers
28 votes
5k views
11 bookmarks
Which time-frequency coefficients does the Wavelet transform compute?
6 answers
27 votes
2k views
5 bookmarks
Calculating the PDF of a waveform from its samples
1 answers
25 votes
7k views
8 bookmarks
How to circularly shift a signal by a fraction of a sample?
3 answers
20 votes
7k views
8 bookmarks
Which IIR filters approximate a Gaussian filter?
4 answers
18 votes
10k views
2 bookmarks
How do you calculate spectral flatness from an FFT?
1 answers
18 votes
6k views
4 bookmarks
What's the difference between the Gabor and Morlet wavelets?
4 answers
14 votes
3k views
6 bookmarks
Is there such a thing as band-limited non-linear distortion?
4 answers
11 votes
4k views
5 bookmarks
What's the difference between the Gabor-Morlet wavelet transform and the constant-Q transform?
3 answers
11 votes
2k views
3 bookmarks
Is the discrete Gaussian kernel an eigenfunction of the DFT?
4 answers
11 votes
9k views
4 bookmarks
How can a filter have zero group delay?
3 answers
10 votes
1k views
A few questions about Slepian and generalized gaussian windows
2 answers
6 votes
412 views
Can you quarter the processing time for real, symmetric FFTs?
1 answers
5 votes
1k views
3 bookmarks
Why is state-space representation more numerically stable than zeros-poles representation?
2 answers
5 votes
2k views
Bessel filter second-order sections Q and Fc multiplier derivation
2 answers
5 votes
258 views
1 bookmarks
Measuring the "frequency stability" of a signal
5 answers
4 votes
3k views
What's the Q factor of a digital filter's pole?
3 answers
4 votes
3k views
6 bookmarks
Digital filters with more zeros than poles
1 answers
3 votes
1k views
1 bookmarks
Illustration of time domain aliasing cancellation (TDAC, MDCT, lapped transform)
0 answers
1 votes
165 views
1 bookmarks
Calculate the intersample peak of a periodic sequence?