3-4.m

matlab数字信号与应用源代码3

%例程3-4  产生锯齿波形

 Fs=1000;
 t=0:1/Fs:3; 
 x=sawtooth(2*pi*t);
 y=sawtooth(2*pi*t,0.5);
 z=sawtooth(2*pi*t,1);
 subplot(3,1,1);
 plot(t,x);
 subplot(3,1,2);
 plot(t,y);
 subplot(3,1,3);
 plot(t,z);