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HW12s09

HW12s09 - GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL of...

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GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL of ELECTRICAL and COMPUTER ENGINEERING ECE 2025 Spring 2009 Problem Set #12 Assigned: 3-April-09 Due Date: Week of 13-April-09 Quiz #3 will be held in lecture on Friday, 17-Apr-09. It will cover material from Chapters 9, 10, and 11 as represented in Problem Sets #10, #11, and #12. Reading: In SP First , Chapter 11: Continuous-Time Fourier Transform H) Please check t-square often. All official course announcements are posted there. BOTH of the STARRED problems will have to be turned in for grading. A solution will be posted to the web. Some problems have solutions similar to those found on the CD-ROM. Your homework is due in recitation at the beginning of class. After the beginning of your assigned recitation time, the homework is considered late and will be given a zero. Please follow the format guidelines (cover page, etc.) for homework. PROBLEM 12.1 : Determine the forward Fourier Transform of the following signals: (a) x.t/ D 13 cos 2 .19 t/ (b) x.t/ D ı.t 1/ 2e 5t u.t 1/ (c) x.t/ D 1 2 ı.t 1 2 / sin .17 .t 1 2 // 2 t

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