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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%55
%%% sampling theorm %%%%%%%%%%%%%5
%%% x= sin(2*pi*f1*n)+cos(2*pi*f2*n) %%%%
%%% with f1= 2/128 & f2 = 4/128 %%%%%

clc;
close all;
clear all;
f1=2/128;
f2=4/128;
n=0:255;
fc=50/128;
x=sin(2*pi*f1*n)+cos(2*pi*f2*n);
xa=cos(2*pi*fc*n);
xamp=x.*xa;
subplot(2,2,1);plot(n,x);title('x(n)');
xlabel('n -->');
ylabel('amplitude');
subplot(2,2,2);
plot(n,xa);
title('xa(n)');
xlabel('n -->');ylabel('amplitude');
subplot(2,2,3);plot(n,xamp);
xlabel('n -->');ylabel('amplitude');

%%%%%%%%%%%%%%%%%%%%%%%%

 

Download Project for B.E, B.Tech, BCA, MCA, M.E, M.Tech, B.Sc, M.Sc and Polytechnic