MCQOPTIONS
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MCQOPTIONS
| 1. |
A signal x(t) has the Fourier transform X(jω) having the following facts:F-1{(1+jω) X(jω)} = Ae-2t u(t) and \(\int_{-∞}^∞ |X(jω)|^2 \,dω = 2π\) The signal x (t) is ___________ |
| A. | \(\sqrt{3}\) (e-t – e-2t)u(t) |
| B. | \(\sqrt{12}\) (e-t – e-2t)u(t) |
| C. | \(\sqrt{3}\) (e-2t – e-t)u(t) |
| D. | \(\sqrt{12}\) (e-2t – e-t)u(t) |
| Answer» C. \(\sqrt{3}\) (e-2t – e-t)u(t) | |