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Questions about pywavelets

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Questions - pywavelets

Getting the detail coefficients as feature vectors

I am trying to get feature vectors from the coefficients I have generated. The spectra are decomposed using 8 levels and I am only choosing the coefficients of decomposed levels from 3 to 7. I have f...
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humblefool_9

python

numpy

signal-processing

wavelet

pywavelets

Votes: 0

Answers: 0

how to change dilation and translation coefficient in pywt

I am new to pywt and wavelet analysis. I am now facing several problems, and I hope someone can help me with them. First, I would like to change dilation (D) and translation (x) in my_wavelet, but I ...
test-img

Grace Wang

python

wavelet

haar-wavelet

pywavelets

pywt

Votes: 0

Answers: 1

Latest Answer

I think that you get mixed-up between the Continuous Wavelet Transform and the Discrete Wavelet Transform. The formula that you provide is that of the CWT, yet what you try computing in Python is the ...
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Sheldon

plot power spectrum of a signal with wavelet transform

Using this dataset https://philharmonia.co.uk/resources/sound-samples/ I'm trying to plot the power spectrum of note played by a specific instrument. I'm using librosa to load the audio file and get s...
test-img

JayJona

python

librosa

wavelet

wavelet-transform

pywavelets

Votes: 0

Answers: 0

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