The mapping z-1→ g(z-1) must map inside the unit circle in the z-plane into:
A. Outside the unit circle
B. On the unit circle
C. Inside the unit circle
D. None of the mentioned
Answer:A
The mapping z-1→ g(z-1) must map inside the unit circle in the z-plane into:
A. Outside the unit circle B. On the unit circle C. Inside the unit circle D. None of the mentioned
Explanation: The map z-1→ g(z-1) must map inside the unit circle in the z-plane into itself to apply digital frequency transformation.