Exam3SP2005

Exam3SP2005 - EE301 Signals and Systems Exam 3 In-Class...

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EE301 Signals and Systems In-Class Exam Exam 3 Thursday, April 21, 2005 Cover Sheet Test Duration: 70 minutes. Coverage: Chaps. 5 and 7 Open Book but Closed Notes (NO LOOSE SHEETS) Calculators NOT allowed. This test contains two problems. All work should be done in the blue books provided. You must show all work for each problem to receive full credit. Do not return this test sheet, just return the blue books.
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Problem 1. Consider the discrete-time LTI system described by the following difference equation. y [ n ]= x [ n ] - x [ n - 4] (1) (a) Plot the magnitude | H ( e ) | and phase ± H ( e ) (two separate plots) of the frequency response of this system, equal to the DTFT H ( e ) of the impulse response h [ n ], as a function of frequency over - π<ω<π . Show as much detail as possible. For EACH of the remaining parts of this problem, you must do EACH of the following THREE steps. For all parts, you MUST show all work and explain how you got your answer concisely, but with sufficient detail to receive full credit. (i) Plot the magnitude
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Exam3SP2005 - EE301 Signals and Systems Exam 3 In-Class...

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