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A DSB-SC AM signal is modulated by the signal m(t)=2 \cos 2000 \pi t+\cos 6000 \pi t The modulated signal is u(t)=100 m(t) \cos 2 \pi f_{c} t where fe
= 1 MHz. 1. Determine and sketch the spectrum of the AM signal. 2. Determine the average power in the frequency components.
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