ass01_1_11_3.m

用matlab编写的数字信号处理源码

% assignment 1.11.3

clear all;close all;
N = 50;
n = 0:N-1;
% (1)
fs2 = 15;% sample rate
ts2 = 1/fs2;
x = sin(2*pi*5*n*ts2)+0.5*sin(2*pi*5*2*n*ts2)+0.2*sin(2*pi*5*3*n*ts2);
figure(1);
plot(x);title('(3)');