Exam1-1_Spring 2007 - Exam #1 ELCT 321 Digital Signal...

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1 Exam #1 ELCT 321 Digital Signal Processing March 8, 2007 Your Name: ___________________________________ Student ID Number : ____________________________ Your E-mail: ___________________________________ Problem Your Score Assigned Score 1 20 2 30 3 25 4 25 Total 100 HW #1 HW #2 HW #3 HW #4 # of Absence
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2 1. Evaluate following complex number z (20 pt)
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3 2. Consider following frequency domain magnitude and phase plot (30 pt.) (a) Determine the time domain representation of the signal as sum of sinusoidal function. (14 pt.)
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4 (b) We have following sets waveforms in time domain. Based on the magnitude and phase spectrum provided in previous page, determine a time domain waveform of the signal x(t). In each case, please provide your reason for your selection. (Guess without comments will not receive any credit.) (16 pt.) (a) The time domain waveform in (a) (IS/ IS NOT) the waveform of x(t), because__________________________________________________________. (b)
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Exam1-1_Spring 2007 - Exam #1 ELCT 321 Digital Signal...

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