Problem

A signal m(t) = 5 cos(1000πt) modulates a sinusoidal carrier signal c(t) = cos(104πt) usin...

A signal m(t) = 5 cos(1000πt) modulates a sinusoidal carrier signal c(t) = cos(104πt) using DSB/SC-AM modulation techniques.

(a) Sketch the resulting modulated signal, x(t) = m(t)c(t).


(b) Derive the frequency spectrum of the modulated signal.


(c) Sketch the frequency spectrum, X(ω).

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Solutions For Problems in Chapter 6