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how to extract the energy ratio of details and approximation coefficient ????

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afef
afef 2017-3-12
评论： John Navarro 2020-5-11
hello i use a decomposition at level 4 of EEG signal using db4 and i need to extract the energy ratio of details and approximation coefficients to use it as one of the features tha will be the input for my classifier.

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