scipy.signal.kaiser_beta

scipy.signal.kaiser_beta(a)

Compute the Kaiser parameter beta, given the attenuation a.

Parameters :

a : float

The desired attenuation in the stopband and maximum ripple in the passband, in dB. This should be a positive number.

Returns :

beta : float

The beta parameter to be used in the formula for a Kaiser window.

References

Oppenheim, Schafer, “Discrete-Time Signal Processing”, p.475-476.