Linear-Phase fr 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()is given by H(二)=0]+hu]-1+h212+3]z3 +44+h5]5+66+h7=-7+h8]8 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