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Signals Systems (Second Edition) —Learning Instructions (Exercises Answers) Department of Computer Engineering 2005.12 Contents Chapter 1 ······················································· 2 Chapter 2 ······················································· 17 Chapter 3 ······················································· 53 Chapter 4 ······················································· 80 Chapter 5 ······················································· 101 Chapter 6 ······················································· 127 Chapter 7 ······················································· 137 Chapter 8 ······················································· 150 Chapter 9 ······················································· 158 Chapter 10 ·······················································178 Chapter 1 Answers 1.1 Converting from polar to Cartesian coordinates: 1 j 1 1 1 j 1 1 e cos e cos( ) 2 2 2 2 2 2 j j e 2 cos( ) j sin( ) j e 2 cos( ) j sin( ) j 2 2 2 2 5 j j j e 2 e 2 j 2e 4 2(cos( 4 ) j sin( 4 )) 1 j 9 9 j j j j 4 4 2e 4 2e 4 1 j 2e 2e 1 j j 2e 4 1 j
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