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Final07 - Autumn 2007 ECE 161A Final Exam ECE 161A Final...

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Autumn 2007, ECE 161A, Final Exam - 1 - ECE 161A Final Exam Thursday, December 14, 2007 Name: (Last) ___________ (First) ___________ Problem 1: _______/20 Problem 2: _______/20 Problem 3: _______/20 Problem 4: _______/20 Problem 5: _______/20 Rules: 1. By writing your name above, you certify that the solution is your own work. Cheating in any form (copying another student’s work, using un-authorized materials, etc.) results in an immediate score of zero for the exam, and further disciplinary actions by the School of Engineering. 2. The exam time is exactly 180 minutes. 3. No calculators or any other electronic devices. 4. Write clearly. That is necessary to ensure that you receive partial credit. 5. Cross out any work you do NOT want to be graded. Wrong answers may cause you to loose points. 6. Partial credit is given ONLY to correct solution techniques, not to correct answers from wrong procedures.
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Autumn 2007, ECE 161A, Final Exam - 2 - Problem 1 Let y n [ ] = a 2 n u n [ ] . Determine a sequence x[n] whose z-transform, X(z), satisfies both of the following conditions: 1.
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