Assume that a pure sinusoidal signal given by m(t) = a cos(2fm) modulates a carrier signal...

 

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Assume that a pure sinusoidal signal given by m(t) = a cos(2лfm) modulates a carrier signal A Cos(2лfet) in a conventional AM modulation scheme, where the transmitted signal is given by: u(t) = (Ac + m(t)). Cos (2nfet), and fc » fm. If the modulation index is given as μ=0.25; a. What is the power carried in the sidebands (P)? (5 points). b. What is total power (Pt= P + Ps), where Pe is the carrier power? (5 points). c. What is the power efficiency (n= x % 100) of this system? (5 points). Ps Pt Assume that a pure sinusoidal signal given by m(t) = a cos(2лfm) modulates a carrier signal A Cos(2лfet) in a conventional AM modulation scheme, where the transmitted signal is given by: u(t) = (Ac + m(t)). Cos (2nfet), and fc » fm. If the modulation index is given as μ=0.25; a. What is the power carried in the sidebands (P)? (5 points). b. What is total power (Pt= P + Ps), where Pe is the carrier power? (5 points). c. What is the power efficiency (n= x % 100) of this system? (5 points). Ps Pt

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