Z-transform

Z-transform - Dela yed Unit Step Sig na l – Cont ’ d u...

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Unformatted text preview: Dela yed Unit Step Sig na l – Cont ’ d u d step (k) u(0) = 0 u(1) = 1 u(2) = 1 u(3) = 1 u(4) = 1 … 1 0 .5 Z Z -1 0 ∙ z0 +1 ∙ z­1 +1 ∙ z­2 +1 ∙ z­3 +1 ∙ z­4 … Ud step (z) Rememb er this! U d step (z) = z − 1 + z − 2 + z − 3 + ... 0 1 2 3 4 5 6 7 8 9 0 -1 z ­1 1 = = ­1 1­ z z−1 C S851: Feed b a c k Control for Comp uter Systems ...
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