What is the time period of the function x[n] = exp(jwn)?
A. pi/2w
B. pi/w
C. 2pi/w
D. 4pi/w
Answer:A
What is the time period of the function x[n] = exp(jwn)?
A. pi/2w B. pi/w C. 2pi/w D. 4pi/w
Explanation: Using Euler’s rule, exp(2pi*n) = 1 for all integer n. Thus, the answer can be derived.