Week 10 EE 341 Final Review - 3 june

Week 10 EE 341 Final Review - 3 june - EE 341 Discrete-Time...

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EE 341 Discrete-Time Linear Systems – Week 10 Spring 2011 Page 1 A Final Exam Example Problem 1 (Multiple Choice Questions–Circle the Single Best Answer and Justify it.) a) It is desired to build a sampling system which takes a recorded orchestral music signal ) ( t s and converts it to a discretely-sampled form. In order to experimentally determine the bandwidth (in frequency) of this signal the best transform would be (circle the correct answer and then justify it ): i) The Fourier transform of a continuous function or a discrete sequence ii) The z -transform iii) The Fourier series iv) The discrete Fourier transform Ans:
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EE 341 Discrete-Time Linear Systems – Week 10 Spring 2011 Page 2 b) A mathematical model of human speech puts out a perfectly periodic signal for steady vowel sounds. In order to accurately determine the harmonics of the fundamental frequency for this mathematical model, the best transform would be (circle the correct answer and justify ): i) The Fourier transform of a continuous function or a discrete sequence ii) The z -transform iii) The Fourier series iv) The discrete Fourier transform Ans:
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Week 10 EE 341 Final Review - 3 june - EE 341 Discrete-Time...

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