m_p_beike.m

经典《信号与系统》教程的matlab例程,对深入理解信号与系统相关概念有很大帮助

%==========================================================================
%  Name：M_P.m
%  
%==========================================================================
clear;close all,
t=-2:0.01:2;
x1=sin(2*pi*t);
x2=sin(6*pi*t)/2;
x3=x1+x2;

x4=sin(2*pi*t-pi);
x5=0.5*sin(6*pi*t-2*pi);
x6=x4+x5;

subplot(211);
plot(t,x1,'b:');hold on;
plot(t,x2,'r:');hold on;
plot(t,x3,'k');
grid on;title('The sequence x1(t)');
subplot(212);
plot(t,x4,'b:');hold on;
plot(t,x5,'r:');hold on;
plot(t,x6,'k');
grid on;title('The sequence x2(t)');