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dwt function in matlab

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nguyen hoa
nguyen hoa 2014-3-20
回答： nl2605 2014-3-20
Hi everyone!
example: [ca,cd] = dwt(x,"db"), db1, db2, db3... what is it? in matlab is'nt deltail, so i dont understand. Can you help me?
Thank you!

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nl2605
nl2605 2014-3-20
There are many different filters to perform wavelet transformation. Like Haar, Debaucheis. This db1 etc corresponds to these different filters. You should read more on this.

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