Question: Suppose H(z) is a type 4 linear-phase FIR filter. -1 H(2) co + c1z - C1z2 -3 Coz (a) Find the amplitude response of

Suppose H(z) is a type 4 linear-phase FIR filter. -1 H(2) co

Suppose H(z) is a type 4 linear-phase FIR filter. -1 H(2) co + c1z - C1z2 -3 Coz (a) Find the amplitude response of this filter. (b) Find the phase offset, a, and group delay, D(f), of this filter. Need amplitude derivation. Need derivation to phase response as well.*

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