Exam 2 Solution Spring 209

Z 09e j6 z 09e j6 d which has zeros at z d 1 and poles

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Unformatted text preview: 1/.z C 1/ 0:45.2e j=6 //.z 0:45.2e Y.z/ D X.z/ 1 .z z2 1 p p 2 .z 0:45. 3 C j //.z 0:45. 3 j // .z 1/.z C 1/ D : j =6 // .z 0:9e j=6 /.z 0:9e j=6 / D which has zeros at z D ˙1 and poles at z D 0:9e ˙j=6 . Graphical methods can be used to find the magnitude response: H(ej ω) 10 5 0 0 1 2 3 4 ω Specifically, H.e j 0 / D H.e j / D 0, and H.e j=6 /  10. 5 6 4. (5 marks) One of the simplest filters is a backward-difference system, where yŒn D xŒn x Œn 1: Using sketches, notes, and equations, justify why t...
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This note was uploaded on 11/14/2013 for the course EEE 4001F taught by Professor Nicolls during the Summer '13 term at University of Cape Town.

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