| Frequency response is:
(1 + exp(-j omega))/2
which has a magnitude response of:
Cos(Pi f/sr)
or 1 at f/sr=0, -3dB at f/sr=0.25, 0 at f/sr=0.5
And a phase response of
phi in degrees = -180 f/sr
f is frequency, sr is sampling rate. Anything else?
At 1:15 PM +0300 3/19/99, Sergey Batov wrote:
>Hi,
>sorry for "loop" but I'd like to ask it again:
>is it possible to know characteristics (cutoff frequency,
>e.t.c.) of the LPF:
>
>a3 delay1 a2
>afeedback=(a2+a3)*.5 ?
>
>Thank you,
>Sergey Batov batov@glasnet.ru
Dr. R. Erik Spjut
|