The output sample Sk is a function of:
present and past inputs, past outputs
past outputs (Sn-i) only
present input and past outputs
Let the transfer function of a RIF filter be:
. Which is the parameter allowing us to determine the filter stability?
It is possible to determine the impulse response of a recursive filter from:
Its tranfer function
Its recurrence equation
Its response to an echelon
What are the methods for recursive filter design?
Poles and zeros method
Texte - Copyright © 1996, 1997 DECLE & BURTAIRE
Texte - Copyright © 1997, 1998 JACQUEMIN & PETETIN