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Question 1 a) i. Discuss why the carrier waves are of higher frequency compared to modulating signal...

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Electrical Engineering

Question 1
a) i. Discuss why the carrier waves are of higher frequencycompared to modulating signal and explain in six different ways ourinclusion of modulation in communication system.
ii. By a suitable graphical representation sketch signalvoltage (V) against period (t) of an FM System at t ranges from1second to 12 seconds. Taken magnitude of signal voltage to be10V,
You are required to show work [10 Marks] EV

b) A similar graphical sketch is demanded by a world classtelecommunication company to enable analyze their transmissionnetwork. You are to appreciate both the signal voltage and thecarrier deviation by 55%, to help achieve this feat. All relevantsteps are needed. [6 Marks] CR

c) Perform a comprehensive analysis on the two solutions in aand b. Discuss why an operator will use FM and AM system at thesame time [4 Marks]
A

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