MCQOPTIONS
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MCQOPTIONS
| 1. |
Spectrum of a signal x(t), sampled at period T, is given by: |
| A. | \({X_s}\left( f \right) = \mathop \sum \nolimits_{n = - \infty }^\infty X\left( {f - \frac{n}{T}} \right)\) |
| B. | \({X_s}\left( f \right) = \mathop \sum \nolimits_{n = - \infty }^\infty X\left( {nf - T} \right)\) |
| C. | \({X_s}\left( f \right) = X\left( {f - \frac{n}{T}} \right)\) |
| D. | \({X_s}\left( f \right) = \mathop \sum \nolimits_{n = - \infty }^\infty X\left( {f - nT} \right)\) |
| Answer» B. \({X_s}\left( f \right) = \mathop \sum \nolimits_{n = - \infty }^\infty X\left( {nf - T} \right)\) | |