MATLAB EXAMPLES 2 / HABERLESME TEMELLERİ

 

Draw periodic signal,matlab codes;


clear all
close all
clc
t = -2:0.005:2;  %time vector
A1=10;%amplitude
A2=2;
A3=3;
x1 = A1*cos(5*pi*t); %1st periodic signal
x2=A2*sin(7*pi*t + pi/4); %2nd periodic signal
x3=A3*cos(8*pi*t - pi/6); %3rd periodic signal
Xt=x1+x2+x3;
plot(t,x1,'r-','linewidth',2);
hold on
plot(t,x2,'g-','linewidth',2);
hold on
plot(t,x3,'b-','linewidth',2);
hold on
plot(t,Xt,'k-','linewidth',2);
grid on
legend('x1','x2','x3','Xt')