Unformatted text preview: California State Polytechnic University, Pomona ECE 306  02 Introduction to Discrete Time Signals & Systems Homework # 3 Electrical & Computer Eng. Dr. Z. Aliyazicioglu 2/19/2008 x (n ) = 1 2 n u(n  2) x (n ) = n ( 0.5) n u ( n ) x(n ) = 4  n u(n ) 1 1 2 2 2 4 z  z + z 2 5 5 1 2 1 1 X ( z ) = 1  z 1  z 2 1 + z 1  z 3 2 5 4 3 X ( z) = 1 + X ( z) = 1 1  1.5 z + 0.5 z 2
1 H ( z) = 1 1  0.8 z + 0.15z 2
1 By: Z. Aliyazicioglu ECE 30631 ...
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 Winter '08
 Aliyazicioglu

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