A signal () is multiplied by a sinusoidal waveform of frequency such that()=() cos 2If Fourier transform of () is M(), Fourier transform of () will be

A signal () is multiplied by a sinusoidal waveform of frequency such

1.	A signal () is multiplied by a sinusoidal waveform of frequency such that()=() cos 2If Fourier transform of () is M(), Fourier transform of () will be
Answer» It is a modulation process. The resultant has (f + fc) and (f - fc) terms.