MCQOPTIONS
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| 1. |
Find the Z-transform of a periodic sequence x(n) = {1, 0, -3, 1}? |
| A. | X(z) = 1 – 3z-2 + z-3; |z| ≠ 0 |
| B. | X(z) = 1 – 3z-2 + z-3; |z| ≠ ∞ |
| C. | X(z) = 1 – 3z-2 + z-3; |z| ≠ 0 and |z| ≠ ∞ |
| D. | X(z) = (1 – 3z-2 + z-3)/(1 – z-4) |
| Answer» E. | |