PMOD.rar

fs = 8000; % Sampling rate is 8000 samples per second fc = 300; % Carrier frequency in Hz t = [0:0.1*fs]'/fs; % Sampling times for 0.1 second m = sin(20*pi*t); % Representation of the signal v = ammod(m,fc,fs); % Modulate m to produce v figure(1) subplot(2,1,1); plot(t,m); % Plot m on top subplot(2,1,2); plot(t,v) % Plot v below mr = amdemod(v,fc,fs); % Demodulate v to produce m figure(2) subplot(2,1,1); plot(t,m); % Plot m on top subplot(2,1,2); plot(t,mr) % Plot mr below