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2. A normalized sinusoidal signal a(t) has a bandwidth of 5,000 Hz and its average power is 0.5W. The carrier Acos2nfct has an average
2. A normalized sinusoidal signal a(t) has a bandwidth of 5,000 Hz and its average power is 0.5W. The carrier Acos2nfct has an average power of 50W. Determine the bandwidth and the average power of the modulated signal if the following analog modulation scheme is employed: (a) single-side band modulation with suppressed carrier modulation (SSBSC), which is generated by phase-shift method with the given carrier ; (b) double-side band with suppressed carrier modulation (DSB-SC) ; (c) AM or double-side band with large carrier (DSB-LC) with a modulation index of 0.8.
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Electric Machinery
Authors: Charles Kingsley, Jr, Stephen D. Umans
6th Edition
71230106, 9780073660097, 73660094, 978-0071230100
