DCS PRACTICAL

AIM: Implementation of delta modulation using MATLAB

MATLAB CODE:

a=2;

t=0:0.1:10;

x=a*sin(t);

l=length(x);

subplot(2,1,1);

plot(x);

title('message signal');

delta=0.2;

xn=0;

for i=1:l;

if x(i)>xn(i)

d(i)=1;

xn(i+1)=xn(i)+delta;

else

d(i)=0;

xn(i+1)=xn(i)-delta;

end

end

subplot(2,1,2);

stairs(xn);

title('delta modulated wave');