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Department (ΕΕΕ) AE
The output signal from an AM modulator is u(t)=5 cos 1800πt+20cos 2000πt+5 cos 2200πt.
a. Determine the modulating signal m(t) and the carrier c(t).
The output signal from an AM modulator
u(t) = 5 cos 1800πt + 20 cos 2000πt + 5 cos 2200nt
a. Determine the modulating signal m(t) and the carrier signal c(t).
b. Determine the modulation index.
c. Find the ratio of the power in the sideband to the power in the carrier.
