Z-12 - Z­Tra nsform of Exp onentia l Sig na l Z u e xp (k)...

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Unformatted text preview: Z­Tra nsform of Exp onentia l Sig na l Z u e xp (k) Ue xp (z) Z -1 u(0) = 1 u(1) = a u(2) = a 2 u(3) = a 3 u(4) = a 4 … 6 5 4 1 ∙ z0 +a ∙ z­1 +a 2 ∙ z­2 +a 3 ∙ z­3 +a 4 ∙ z­4 … Reme mb er this! a = 1 .2 Uexp (z) = 1+ a z−1 + a 2 z−2 + a 3 z−3 + = 3 4 5 6 7 8 9 3 2 1 0 -1 0 1 2 1 1­ a z­1 C S851: Fe e d b a c k Co ntro l fo r Co m p ute r Syste m s ...
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