MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the energy density spectrum of the signal x(n)=anu(n), |a|<1? |
| A. | \(\frac{1}{1+2acosω+a^2}\) |
| B. | \(\frac{1}{1-2acosω+a^2}\) |
| C. | \(\frac{1}{1-2acosω-a^2}\) |
| D. | \(\frac{1}{1+2acosω-a^2}\) |
| Answer» C. \(\frac{1}{1-2acosω-a^2}\) | |