Note Effect of Zeros - (2) (1)

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Note: Effect of Zeros () () () () () ( )() t u t e t e t y s s s Y Zero No t t step step sin cos 1 ] 1 1 [ 2 : ) 1 ( 2 = + + = () () () () () () ( )() t u t e t e t y s s s s Y Zero W t t step step sin cos 1 ] 1 1 [ 1 2 : ith ) 2 ( 2 + = + + + = 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 1.2 1.4 OR num1=[2]; den1=[1 2 2]; y1=tf(num1,den1) step(y1) hold num2=[2 2]; den2=[1 2 2]; y2=tf(num2,den2) step(y2) grid t=[0:.01: 6]; x1=1-exp(-t).*cos(t)-exp(-t).*sin(t); x2=1-exp(-t).*cos(t)+exp(-t).*sin(t); plot(t,x1,t,x2) grid
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Unformatted text preview: (2) (1) -2-1.8-1.6-1.4-1.2-1-0.8-0.6-0.4-0.2-2-1.5-1-0.5 0.5 1 1.5 2 0.08 0.1 7 0.28 0.38 0.5 0.64 0.8 0.94 0.08 0.1 7 0.28 0.38 0.5 0.64 0.8 0.94 0.2 5 0.5 0.7 5 1 1.2 5 1.5 1.7 5 2 0.2 5 0.5 0.7 5 1 1.2 5 1.5 1.7 5 2 Pole-Zero Map Real Axis Imaginary Axis Ystep=tf([2 2],[1 2 2 0]); pzmap(Ystep) sgrid axis([-2 0 -2 2])...
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