p1.m

来自「MATLAB语音信号处理功能」· M 代码 · 共 10 行

clear
Fs=100;
t=(1:100)/Fs;
s1=sin(2*pi*t*5);
s2=sin(2*pi*t*15);
s3=sin(2*pi*t*30);
s=s1+s2+s3;
plot(t,s);
xlabel('Time(seconds)');
ylabel('Time waveform');