Synchronous Demodulation ->
Assume that $ w_c > w_m $ and consider the signal: y(t)=x(t)$ cosw_c t $ The original signal can be recovered by modulating y(t) with the same sinusoidal carrier and applying a low pass filter to the result. w(t)=y(t)$ cosw_c $t =x(t)$ cos^2 w_c $t
