Question

Consider the following second-order causal analog filter Ha(s): Ha(s) = 1/ s + 1 + 1...

Consider the following second-order causal analog filter Ha(s):

Ha(s) = 1/ s + 1 + 1 /s + 2

(a) Derive the digital filter Hd[z] if it is designed via the impulse invariance method with Ts = 2.

(b) Derive the digital filter Hd[z] if it is designed via the bilinear transformation method with Ts = 2.

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