scipy.signal
scipy.signal.cascade
scipy.signal.morlet
scipy.signal.
daub
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.
p : int
Order of the zero at f=1/2, can have values from 1 to 34.
daub : ndarray
Return