Linear-Phase FIR Transfer Functions Type 1: Symmetric Impulse response with Odd length In this case, the degree N is even Assume n=8 for simplicity The transfer function H(z)is given by H()=h[0]+1-1+h2|=2+h3}23 +小[414+h55+小6]6+h77+h88 Copyright C 2001, S K MitraCopyright © 2001, S. K. Mitra 5 Linear-Phase FIR Transfer Functions Type 1: Symmetric Impulse Response with Odd Length • In this case, the degree N is even • Assume N = 8 for simplicity • The transfer function H(z) is given by 1 2 3 H z h h z h z h z ( ) [0] [1] [2] [3] − − − = + + + 4 5 6 7 8 4 5 6 7 8 − − − − − + h[ ]z + h[ ]z + h[ ]z + h[ ]z + h[ ]z