kaiser_beta(a)
The desired attenuation in the stopband and maximum ripple in the passband, in dB. This should be a positive number.
Compute the Kaiser parameter beta
, given the attenuation a.
Suppose we want to design a lowpass filter, with 65 dB attenuation in the stop band. The Kaiser window parameter to be used in the window method is computed by :None:None:`kaiser_beta(65)`:
>>> from scipy.signal import kaiser_betaSee :
... kaiser_beta(65) 6.20426
The following pages refer to to this document either explicitly or contain code examples using this.
scipy.signal._fir_filter_design.kaiserord
scipy.signal._fir_filter_design.kaiser_beta
scipy.signal._fir_filter_design.kaiser_atten
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