%_________aM__________
clc;
clear all;
close all;
A=1;
t=0:.001:1;
%Ac=input('Enter the carrier signal amplitude=');
fc=input('Enter the carrier signal frequency=');
%Am=input('Enter the modulating signal amplitude=');
fm=input('Enter the modulating signal frequency=');
m=input('Enter the value of m=');
%carrier signal generation
Sc=A*sin(2*pi*fc*t);
subplot(3,1,1);
plot(t,Sc);
title('Carrier Signal');
xlabel('Time');
ylabel('Amplitude');
%modulating signal generation
Sm=A*sin(2*pi*fm*t);
subplot(3,1,2);
plot(t,Sm);
title('Modulating Signal');
xlabel('Time');
ylabel('Amplitude');
%modulated signal
S=(A+m*sin(2*pi*fm*t)).*sin(2*pi*fc*t);
subplot(3,1,3);
plot(t,S);
title('Modulated Signal');
xlabel('Time');
ylabel('Amplitude');
% output:
% Enter the carrier signal frequency=25
% Enter the modulating signal frequency=2
% Enter the value of m=.9
