ESE563 1                                                                                                      Azlin-Fatta-...
ESE563 2                                                                                Azlin-Fatta-Fad                   ...
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Ese563

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Transcript of "Ese563 "

  1. 1. ESE563 1 Azlin-Fatta-Fad4a Exercise 2. What is the z-transform of K3 u[k]? [] (− ) [] = 1 ⋅ ∴ = − 1 (− ) [− ] −1 ′ − ′ = = ′ = 1 2 = − 1 ′ = 1 −1 1 − 1 (− ) −[ } −1 2 − (− ) [ −1 2 ] − (− ) [− ] (−1)2 ′ − ′ = = − ′ = −1 2 = ( − 1)2 ′ = 2( − 1)(1)
  2. 2. ESE563 2 Azlin-Fatta-Fad −1 2 −1 − − 2 −1 (1)− −[ } −1 4 1 −1 (− 2 ++2 2 ) − [ (−1)(−1)3 2 +(−) [ ] −1 3 ′ − ′ = = 2 + ′ = 2 + 1 2 = ( − 1)3 ′ = 3( − 1)2(1) −1 3 2+1 − 2 + 3 −1 2 (1)− { } −1 6 1 −1 2[ −1 2+1)−( 2 + 3 ]− { } −1 2 −1 4 1 2 2 −2+−1−3 2 −3− [ ] −1 4 3 +4 2 + −1 4

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