

MCQOPTIONS
Saved Bookmarks
1. |
Let x(t) be a continuous time periodic signal with fundamental period T = 1 seconds. Let {ak} be the complex Fourier series coefficients of x(t), where k is integer valued. Consider the following statements about x(3t):I. The complex Fourier series coefficients of x(3t) are {ak} where k is integer valuedII. The complex Fourier series coefficients of x(3t) are {3ak} where k is integer valuedIII. The fundamental angular frequency of x(3t) is 6π rad/sFor the three statements above, which one of the following is correct? |
A. | only II and III are true |
B. | only I and III are true |
C. | only III is true |
D. | only I is true |
Answer» C. only III is true | |