Are the filters used for wavelet decomposition the same for each level ?

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afef 2017-11-17

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评论： afef 2017-11-25

i'm using the wavelet transform decomposition (daubechies 4) and i want to know are the filters used for the decomposition the same for each level ?

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Good mind 2017-11-24

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of course, high pass and low pass. the best way to know that is by wavelet toolbox(user's guide,getting started)

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afef 2017-11-25

Yes i know that there is a high pass and low pass filter at each level but did they have the same coefficients at each level?

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Signal Processing Wavelet Toolbox Time-Frequency Analysis Continuous Wavelet Transforms

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