Question: A signal m ( t ) = 5 c o s ( 2 0 t ) + 3 c o s ( 3 0 t

A signal m(t)=5cos(20t)+3cos(30t) is modulated using DSB-SC modulation with carrier signal xc(t)=cos(500t)
a. what is the needed bandwidth to transmit the AM signal ?
b. plot the spectrum of the DSB-SC signal.
C. show how can you recover m(t) from the received DSB-SC signal.
A signal m ( t ) = 5 c o s ( 2 0 t ) + 3 c o s (

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