If z0 is a zero of a (real-valued) linear-phase FIR filter then following is/are also zero/zeros of a (real-valued) linear-phase FIR filter,
A. $${\text{z}}_0^ * $$
B. $$\frac{1}{{{{\text{z}}_0}}}$$
C. $$\frac{1}{{{{\text{z}}_0}}},\,{\text{z}}_0^ * {\text{ and }}\frac{1}{{{\text{z}}_0^ * }}$$
D. $$\frac{1}{{{{\text{z}}_0}}}\,{\text{and}}\,\frac{1}{{{\text{z}}_0^ * }}$$
Answer: Option C

Join The Discussion