mpt) TU Figure 1: PAM signal. Find the spectrum of a PAM signal mp(t) = ms(t)*p(t), as shown in Fig. 1, in terms of the spectrum of the message M.(f) and discuss the distortion in the recovered waveform if flat-top sampling is used. p(t) is a rectangular pulse of unit amplitude and duration T, defined as p(t) { 0 otherwise mpt) TU Figure 1: PAM signal. Find the spectrum of a PAM signal mp(t) = ms(t)*p(t), as shown in Fig. 1, in terms of the spectrum of the message M.(f) and discuss the distortion in the recovered waveform if flat-top sampling is used. p(t) is a rectangular pulse of unit amplitude and duration T, defined as p(t) { 0 otherwise