Band Stop FIR Filter with the Fourier Series and the Kaiser Window.

Cuthbert Nyack
This applet illustrates the effect of the Kaiser window on the frequency and impulse response of a band stop filter derived from the Fourier Series.

Image below shows a band stop filter with a minimum stop band attenuation of 100dB for the variable Kaiser and 87dB for the standard Kaiser window.

Changing q/ p to 3.22 gives similar charactreistics for the standard Kaiser window.
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COPYRIGHT 2008 Cuthbert Nyack.