MCQOPTIONS
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| 1. |
The 8 point DFT of the signal\(x\left[ n \right] = 6{\cos ^2}\frac{\pi }{4}n\) is: |
| A. | X[k] = [24, 0, 12, 0, 12, 0, 12, 0] |
| B. | X[k] = [12, 0, 0, 0, 0, 0, 0, 0, 10] |
| C. | X[k] = [12, 0, 24, 0, 0, 0, 0, 24, 0] |
| D. | X[k] = [24, 0, 12, 0, 0, 0, 12, 0] |
| Answer» E. | |