MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the discrete-time Fourier transform (DTFT) of the sequence given: x[n] = αnu[n], α < 1? |
| A. | \(\frac{1}{{1 - \alpha {e^{ - j\omega }}}}\) |
| B. | \(\frac{1}{{1 - \alpha {e^{j\omega }}}}\) |
| C. | \(\frac{\alpha }{{1 - \alpha {e^{ - j\omega }}}}\) |
| D. | \(\frac{\alpha }{{1 + \alpha {e^{j\omega }}}}\) |
| Answer» B. \(\frac{1}{{1 - \alpha {e^{j\omega }}}}\) | |