Matlab Code for single-tone frequency modulation. Dont forget to subscribe ;)
fm=25;
fc=400;
B=10
t=0:0.0001:0.5;
m=cos(2*pi*fm*t);
subplot(3,1,1);
plot(t,m);
xlabel('Time');
ylabel('Amplitude');
title('Message Signal');
grid on;
c=cos(2*pi*fc*t);
subplot(3,1,2);
plot(t,c);
xlabel('Time');
ylabel('Amplitude');
title('Carrier Signal');
grid on;
y=cos(2*pi*fc*t+(B*sin(2*pi*fm*t)));
subplot(3,1,3);
plot(t,y);
xlabel('Time');
ylabel('Amplitude');
title('FM Signal');
grid on;
For any doubts use comment section
