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For a message signal m(t) = cos(2*pi*fm*t) and carrier of frequency fc, which of the following represents a single side-band signal?
(a) cos(2*pi*fm*t) cos(2*pi*fc*t)
(b) cos(2*pi*fc*t)
(c) cos[2*pi*(fm+fc)*t]
(d) 1+cos(2*pi*fm*t) cos(2*pi*fc*t)
Answer is ( c )
Concept
Type Reasoning here
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