Linear-Phase FR Transfer Functions Example- Consider 0(-)= 2 3,-4 5 z+2+2+2+2ˇ+12 2 which is seen to be a slightly modified version of a length-7 moving-average FIR filter The above transfer function has a symmetric impulse response and therefore a linear phase response Copyright C 2001, S K. MitraCopyright © 2001, S. K. Mitra 10 Linear-Phase FIR Transfer Functions • Example - Consider which is seen to be a slightly modified version of a length-7 moving-average FIR filter • The above transfer function has a symmetric impulse response and therefore a linear phase response ( ) [ ] 6 2 1 2 3 4 5 1 2 1 6 1 0 − − − − − − H z = + z + z + z + z + z + z