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# MT1 - ECE 301 Midterm#1 6:30-7:30pm Thursday LYNN 1136 1...

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ECE 301, Midterm #1 6:30-7:30pm Thursday, January 28, 2010, LYNN 1136, 1. Enter your name, student ID number, e-mail address, and signature in the space provided on this page, NOW! 2. This is a closed book exam. 3. This exam contains multiple choice questions and work-out questions. For multiple choice questions, there is no need to justify your answers. You have one hour to complete it. The students are suggested not spending too much time on a single question, and working on those that you know how to solve. 4. There are 10 pages in the exam booklet. Use the back of each page for rough work. 5. Neither calculators nor help sheets are allowed. Name: Student ID: E-mail: Signature:

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Question 1: [15%, Work-out question] Consider a continuous-time harmonically related signal: x k ( t ) = e jk 3 t . (1) Let g ( t ) = Ev ( x 2 ( t )) denote the even part of x 2 ( t ). 1. [6%, Outcome 1] Is g ( t ) periodic? If so, what is the fundamental period? 2. [9%, Outcome 1] Compute the average power of g ( t ) between 0 and 2 π .
Question 2: [10%, Work-out question] Consider a discrete-time signal f [ n

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MT1 - ECE 301 Midterm#1 6:30-7:30pm Thursday LYNN 1136 1...

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