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Z-transform - Time Inva ria nc e u(k 3­MA y(k u...

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Unformatted text preview: Time Inva ria nc e u(k) 3­MA y(k) u ’ (k)=u(k­n ) Id iom: u(k­n ) is u(k) d ela yed b y n time units! 3­MA y ’ (k)=y(k­n ) y(k+1)=[u(k)+u(k­1)+u(k­2)]/ 3 y(k+1­n)=[u(k­n)+u(k­1­n)+u(k­2­n)]/ 3 y ’ (k+1)=[u ’ (k)+u ’ (k­1)+u ’ (k­2)]/ 3 C S851: Feed b a c k Control for Com p uter Systems ...
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