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@@ -0,0 +1,95 @@ |
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%% Squarewave |
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w0 = 2*pi/T; |
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amp = 4*A/pi; |
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tv = 0:T/50:2*T; |
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ehv = amp*sin(w0*tv); |
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dhv = (amp/3)*sin(3*w0*tv); |
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vhv = (amp/5)*sin(5*w0*tv); |
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blv = A*(sign(ehv)); |
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epdhv = ehv + dhv; |
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epdpvhv = epdhv + vhv; |
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maxamp=max(ehv); |
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mA=ceil(maxamp); |
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figure(1); |
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set(clf,'PaperType','A4'); |
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set(clf,'Color',[1,1,1]); |
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subplot(221); |
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plot(tv, blv, tv, ehv, tv, dhv, tv, vhv); |
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xlabel('time [ms]','Fontsize',8); |
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title('first three harmonics','Fontsize',8); |
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set(gca,'Fontsize',8); |
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subplot(222); |
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plot(tv, blv, tv, ehv); |
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xlabel('time [ms]','Fontsize',8); |
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title('first harmonic','Fontsize',8); |
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set(gca,'Fontsize',8); |
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subplot(223); |
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plot(tv, blv, tv, epdhv); |
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xlabel('time [ms]','Fontsize',8); |
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title('sum first and third harmonic','Fontsize',8); |
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set(gca,'Fontsize',8); |
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subplot(224); |
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plot(tv, blv, tv, epdpvhv); |
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xlabel('time [ms]','Fontsize',8); |
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title('sum of all harmonics','Fontsize',8); |
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set(gca,'Fontsize',8); |
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%% Triangular Wave |
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amp = -(8*B)/(pi^2); |
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tv = 0:T/50:2*T; |
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ehv = amp*cos(w0*tv); |
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dhv = (amp/9)*cos(3*w0*tv); |
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vhv = (amp/25)*cos(5*w0*tv); |
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rc = 4*B/T; |
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T2 = T/2; |
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T15 = 3*T/2; |
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drv=[]; |
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for t=tv |
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if (t<T2) drv=[drv -B+rc*t]; end |
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if (T2<=t)&&(t<T) drv=[drv 3*B-rc*t]; end |
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if (T<=t)&&(t<T15) drv=[drv -5*B+rc*t]; end |
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if (T15<=t) drv=[drv 7*B-rc*t]; end |
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end |
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epdhv = ehv + dhv; |
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epdpvhv = epdhv + vhv; |
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figure(2); |
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set(clf,'PaperType','A4'); |
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set(clf,'Color',[1,1,1]); |
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subplot(221); |
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plot(tv, drv, tv, ehv, tv, dhv, tv, vhv); |
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xlabel('time [ms]','Fontsize',8); |
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title('first three harmonics','Fontsize',8); |
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set(gca,'Fontsize',8); |
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subplot(222); |
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plot(tv, drv, tv, ehv); |
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xlabel('time [ms]','Fontsize',8); |
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title('first harmonic','Fontsize',8); |
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set(gca,'Fontsize',8); |
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subplot(223); |
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plot(tv, drv, tv, epdhv); |
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xlabel('time [ms]','Fontsize',8); |
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title('sum first and third harmonic','Fontsize',8); |
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set(gca,'Fontsize',8); |
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subplot(224); |
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plot(tv, drv, tv, epdpvhv); |
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xlabel('time [ms]','Fontsize',8); |
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title('sum of all harmonics','Fontsize',8); |
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set(gca,'Fontsize',8); |