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Results tagged with signal-processing
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user 30701
Numerical analysis of a digitized signal
4
votes
3
answers
943
views
Separating different frequencies from time series
I have a time series, which is produced from a sensor. This sensor detect sound in the real World. My aim is to separate sounds with different frequencies from this time series.
With which technique …
- 439
2
votes
1
answer
185
views
Finding similarities using Wavelet transform
I have a time serie and I want to find similarities in it. For the first step I have calculated Haar-wavelet coefficients for this time serie, and now I don't know exactly how should I continue
shoul …
- 439
3
votes
2
answers
3k
views
Periodogram vs. spectral density diagram of a time series
Could someone explain to me the difference between a periodogram and spectral density diagram?
The first diagram is produced with this block of code:
FF = abs(fft(datalist)/sqrt(128))^2
f = (0:63) …
- 439