The phase function of a discrete time signal x(n)=an, where a=r.ej? is:
A. tan(n?)
B. n?
C. tan-1(n?)
D. None of the mentioned
Answer:B
The phase function of a discrete time signal x(n)=an, where a=r.ej? is:
A. tan(n?) B. n? C. tan-1(n?) D. None of the mentioned
Explanation: Given x(n)=an=(r.ej?)n =rn.ejn?