quiz1_07

quiz1_07 - x [ n ] = δ [ n ] + 1/2 [ n-1] + 1/4 [ n-2] ( )...

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ECEN 487 QUIZ 1 NAME:_________KEY_____________________ 1. Name one significant advantage of discrete-time processing over an analog implementation for a function that could be implemented by either method. Ease of system modification or updating Reduced cost (in some cases) Immunity to drifting or calibration problems, i.e. exact repeatability Noise insensitivity after data sampling Simpler implementation of very complex systems 2. Compute the Z transform of the sequence
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Unformatted text preview: x [ n ] = δ [ n ] + 1/2 [ n-1] + 1/4 [ n-2] ( ) ( ) ( ) 2 1 3 2 1 1 2 1 2 1 1 2 1 3 8 1 2 1 3 2 1 1 1 4 / 1 2 / 1 1 8 / 1 1 1 : division long by that note . transform Z by term m direct ter by , 4 / 1 2 / 1 1 ) ( : or , 1 1 1 1 1 1 ) ( 2 / 1 , 3 , ) ( ) ( ] [ 1 − − − − − − − − − − + + + + + − > + + = > − − = − − = − − = → = = − − = z z z z z z z z z z X z z z z X a N N n u n u a n x z z z a N z a n...
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This note was uploaded on 03/16/2012 for the course ECEN 487 taught by Professor Dr.brianjeffs during the Winter '12 term at BYU.

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