matlab ex4

%rectangular signal
Amp1=400;
Amp2=320;
freq=300;
cycle=3;
subplot(2,1,1);
x1=0: 0.00001: 0.01;
y1=Amp1*square(2*pi*freq*x1+0)
x2=0: 0.00001:0.01;
y2=Amp2*square(2*pi*freq*x1+0)
plot(x1,y1,x2,y2)

title('Rectangular Signal')
set(gca,'xtick',0:0.00166666:0.01);
set(gca,'xticklabel',{'0','pi','2pi','3pi','4pi','5pi','6pi'})
set(gca,'ytick',-400:80:400);
set(gca,'yticklabel',{'-400','-320','-240','-160','-80','0','80','160','240','320','400'});

xlabel('time');
ylabel('amplitude');

%triangular

Amp1=280;
Amp2=340;
freq=450;
cycle=8;
subplot(2,1,2);
x1=0: 0.00001: 0.01777777;
y1=Amp1*sawtooth(2*pi*freq*x1)
x2=0: 0.00001:0.0177777;
y2=Amp2*sawtooth(2*pi*freq*x1)
plot(x1,y1,x2,y2)

title('Rectangular Signal')
set(gca,'xtick',0:0.004425:0.017777);
set(gca,'xticklabel',{'0','4pi','8pi','12pi','16pi'})
set(gca,'ytick',-350:70:350);
set(gca,'yticklabel',{'-350','-280','-210','-140','-70','0','70','140','210','280','350'});

xlabel('time');
ylabel('amplitude');