MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the basic relationship between the spectrum o f the real band pass signal x(t) and the spectrum of the equivalent low pass signal xl(t)? |
| A. | X (F) = \(\frac{1}{2} [X_l (F-F_c)+X_l^* (F-F_c)]\) |
| B. | X (F) = \(\frac{1}{2} [X_l (F-F_c)+X_l^* (F+F_c)]\) c) X (F) = \(\frac{1}{2} [X_l (F+F_c)+X_l^* (F-F_c)]\) d) X (F) = \(\frac{1}{2} [X_l (F-F_c)+X_l^* (-F-F_ |
| C. | +X_l^* (F-F_c)]\) b) X (F) = \(\frac{1}{2} [X_l (F-F_c)+X_l^* (F+F_c)]\) c) X (F) = \(\frac{1}{2} [X_l (F+F_c)+X_l^* (F-F_c)]\) |
| D. | X (F) = \(\frac{1}{2} [X_l (F-F_c)+X_l^* (-F-F_c)]\) |
| Answer» E. | |