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Q. |
Determine the nature of the signal: x(t) = e-0.2t [cosΩt + jsinΩt]. |
A. | exponentially decaying sinusoidal signal |
B. | exponentially growing sinusoidal signal |
C. | sinusoidal signal |
D. | exponential signal |
Answer» A. exponentially decaying sinusoidal signal | |
Explanation: clearly the signal has negative exponential ⇒ decaying exponential signal. the signal also has sinusoidal component. |
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