ECE633F09_HW12solutions

ECE633F09_HW12solutions - Page 1 2/11/2010 11:43:02 AM

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Unformatted text preview: Page 1 2/11/2010 11:43:02 AM https://mail.google.com/mail/?shva=1#inbox This is the html version of the file http://www.ece.unh.edu/courses/ece633/pdf/ECE633F09_HW12solutions.pdf . Google automatically generates html versions of documents as we crawl the web. Page 1 ECE 633 Signals and Systems I , Fall 2009 Homework 12 Solutions From : Linear Systems and Signals , 2 nd ed . B . P . Lathi , Oxford University Press , 2005 . 7 . 1- 4 From definition ( 7 . 8 a ) , find the Fourier transforms of the signals ( ) x t in Fig . P 7 . 1- 4 . ( a ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 1 T a j t a j T T T a j t j t at j t e e X x t e dt e e dt e dt a j a j + + + = = = = = + + ( ) ( ) 1 a j T e X a j + = + ( b ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 1 T a j t a j T T T a j t j t at j t e e X x t e dt e e dt e dt a j a j = = = = = ( ) ( ) 1 a j T e X a j = Page 2 2/11/2010 11:43:02 AM http://74.125.93.132/search?q=cache:uqQ50XazE0QJ:www.ece.unh.edu/courses/ece633/pdf/ECE633F09_HW12solutions.pd... 1 Page 2 ECE 633 Signals and Systems I , Fall 2009 Homework 12 Solutions 7 . 1- 5 From definition ( 7 . 8 a ) , find the Fourier transforms of the signals depicted in Fig . P 7 . 1- 5 ....
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This note was uploaded on 02/11/2010 for the course ECE 633 taught by Professor Staff during the Fall '09 term at University of Texas at Austin.

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ECE633F09_HW12solutions - Page 1 2/11/2010 11:43:02 AM

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