List I (Message Signal) | List II (Related Units/Parameters) | ||
|---|---|---|---|
| A | $4sin2\pi×5×10^3t-3 cos 2\pi ×8×10^3t $ | I | 40 kHz |
| B | $m(t)=2cos^2 2\pi×10^4t $ | II | 16 kHz |
| C | $ m(t)=2sinc(2× 10^4 t) $ | III | 6 kHz |
| D | $m(t)=5sinc^2(3x10^3t) $ | IV | 20 kHz |
List I (Signal) | List II (Fourier Transform) | ||
|---|---|---|---|
| A | $ x(t-t_0)$ | I | $ \frac{dx(\omega)}{{d\omega}}$ |
| B | $ e^{j \omega_0 t} x(t) $ | II | $ e^{j \omega t_0} X(\omega) $ |
| C | $ \frac{dx(t)}{{dt}}$ | III | $ x(\omega-\omega_0)$ |
| D | $(-jt)x(t) $ | IV | $j\omega X(\omega) $ |