Question

What is the difference between the approximation signal (say a4) & the one obtained by plotting the coefficients obtained by using the code wavedec & appcoef? why the waveform for a4 in DWT toolbox have same no: of samples as the original signal?
I am new to wavelet analysis and tried understanding its concepts. Not sure if this is a valid doubt but surely would be thankfu...

oltre 3 anni ago | 0 answers | 0

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