A Conventional AM signal is described by the following equation y(t) =[5.2 + 15.

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A Conventional AM signal is described by the following equation y(t) =[5.2 + 15.2 cos(36 pi t)l cos(410 pi t) volts. where the message signal is 3 2cos(36 pi t) What is the modulation index? An AM signal spectrum is described by the following equation Y(f) = 20.5[{d)(f - 245) + {d}(f - 201) + {d}(f - 201) + {d}(f + 245)] Note {d} is the delta function What type of AM is this? An AM signal spectrum is described by the following equation Y(f) = 13 5({d)(f + 159) + {d}(f - 159)) Note {d} is the delta function What could the carrier frequency be?

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