How may I determine cutoff frequency of FIR filter? Thanks Marcin
beginer question
Started by ●August 5, 2003
Reply by ●August 5, 20032003-08-05
"Marcin" <faza0123@interia.pl> wrote in message news:bgoq36$6gh$1@inews.gazeta.pl...> How may I determine cutoff frequency of FIR filter? > Thanks > Marcin > >y=FFT of the array of the FIR coefficients z=absolute value of y Examine y. or, if you want to have a smoother function to look at: y=FFT of the array of the FIR coefficients with a large number of zeros first appended to the array of coefficients. z=absolute value of y Examine y. Fred
Reply by ●August 8, 20032003-08-08