In AM, spectral overlap is said to occur if the lower sidebandfor positive frequencies overlaps with its image for negativefrequencies. What condition must the modulated wave satisfy if weare to avoid spectral overlap? Assume that the message signal m(t)is a low-pass kind with bandwidth W. Sketch the cases when
(i) there is no spectral overlap,
(ii) there is spectral overlap,
(iii) spectral overlap almost occurs.