MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
If X(k) is the DFT of x(n) which is defined as x(n)=x1(n)+jx2(n), 0≤ n≤ N-1, then what is the DFT of x1(n)?$ |
| A. | 1/2 [X*(k)+X*(N-k)]. |
| B. | 1/2 [X*(k)-X*(N-k)]. |
| C. | 1/2j [X*(k)-X*(N-k)]. |
| D. | 1/2j [X*(k)+X*(N-k)]. |
| Answer» B. 1/2 [X*(k)-X*(N-k)]. | |