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Showing posts with the label Signal Processing

Find Time Shift Between Two Similar Waveforms

I have to compare two time-vs-voltage waveforms. Because of the peculiarity of the sources of these… Read more Find Time Shift Between Two Similar Waveforms

Equivalence Scipy.signal Welch To Matlab Pwelch

I have the following MATLAB code to compute the PSD of a signal: x = linspace(0, 10, 100001); dt = … Read more Equivalence Scipy.signal Welch To Matlab Pwelch

Creating Wavelet Transform Of Brain Signals Using Scipy

I am trying to create time-frequency representation of my brain signal. I would like to create the … Read more Creating Wavelet Transform Of Brain Signals Using Scipy

Valueerror: Could Not Broadcast Input Array From Shape (20,590) Into Shape (20)

I am trying to extract features from .wav files by using MFCC's of the sound files. I am gettin… Read more Valueerror: Could Not Broadcast Input Array From Shape (20,590) Into Shape (20)

Parseval's Theorem Doesn't Work With Ifft

I have a temporal signal and I calculate its Fourier Transform to get the frequencial signal. Accor… Read more Parseval's Theorem Doesn't Work With Ifft

Baselineremoval Package For Background Fluorescence/noise Removal

I'm trying to use the BaselineRemoval package to remove background fluorescence from some Raman… Read more Baselineremoval Package For Background Fluorescence/noise Removal

Plot Spectogram From Mp3

I am trying to plot a spectogram straight from an mp3 file in python 2.7.3 (using ubuntu). I can d… Read more Plot Spectogram From Mp3