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# scipy.signal.daub

`scipy.signal.``daub`(p)

  The coefficients for the FIR low-pass filter producing Daubechies wavelets.

  p>=1 gives the order of the zero at f=1/2. There are 2p filter coefficients.

  Parameters : | p : int Order of the zero at f=1/2, can have values from 1 to 34.
  Returns : | daub : ndarray Return

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