11FFinal - Final Exam of ECE301, Prof. Wang's section...

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Final Exam of ECE301, Prof. Wang’s section Monday 3:20–5:20pm, December 12, 2011, PHYS 114. 1. Please make sure that it is your name printed on the exam booklet. Enter your 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 two hours 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. Neither calculators nor help sheets are allowed. Name: Student ID: E-mail: Signature:
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Question 2: [14%, Work-out question] 1. [1%] Let x ( t ) = cos( πt ). What is the corresponding Nyquist frequency? Please use the unit Hertz for your answer. 2. [4%] If we sample x ( t ) with sampling period T = 1 2 seconds, we can convert the continuous-time signal x ( t ) into a discrete-time signal x [ n ]. Plot x [ n ] for the range of - 2 n 2. Plot only. There is no need to write down the actual expression.
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This note was uploaded on 02/12/2012 for the course ECE 301 taught by Professor V."ragu"balakrishnan during the Spring '06 term at Purdue University-West Lafayette.

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11FFinal - Final Exam of ECE301, Prof. Wang's section...

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