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electronics and communication engineering exam question papers
1. For a message signal m(t) = cos (2p fmt) and the carrier frequency fc, which of the following represents a single side band (SSB) signal?
(A): cos (2p fct)
(B): cos (2p fmt) cos (2p fct)
(C): cos [2p (fc + fm) t]
(D): [1 + cos (2p fmt) cos (2p fct)]
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