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Q. |
An exponentially growing sinusoidal signal is: |
A. | σ = 0 and Ω = 0 |
B. | σ > 0 and Ω ≠ 0 |
C. | σ < 0 and Ω ≠ 0 |
D. | σ = 0 and Ω ≠ 0 |
Answer» B. σ > 0 and Ω ≠ 0 | |
Explanation: a complex exponential signal is sinusoidal when Ω has a definite value i.e., Ω ≠ 0. it can either be growing exponential or decaying exponential based on the value of σ. |
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