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Unformatted text preview: EE 350 EXAM I 24 September 2009 Last Name (Print): First Name (Print): ID number (Last 4 digits): Section: DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO Problem Weight Score 1 25 2 25 3 25 4 25 Total 100 Test Form A INSTRUCTIONS 1. You have 2 hours to complete this exam. 2. This is a closed book exam. You may use one 8.5” × 11” note sheet. 3. Calculators are not allowed. 4. Solve each part of the problem in the space following the question. If you need more space, continue your solution on the reverse side labeling the page with the question number; for example, Problem 1.2 Continued . NO credit will be given to solutions that do not meet this requirement. 5. DO NOT REMOVE ANY PAGES FROM THIS EXAM. Loose papers will not be accepted and a grade of ZERO will be assigned. 6. The quality of your analysis and evaluation is as important as your answers. Your reasoning must be precise and clear; your complete English sentences should convey what you are doing. To receive credit, you must show your work. 1 Problem 1: (25 Points) 1. (10 points) Consider the signal f ( t ) shown in Figure 1. Figure 1: The signal f ( t ). (a) (5 points) Write an expression for the signal f ( t ). (b) (5 points) Determine whether f ( t ) is an energy signal, a power signal, or neither. If f ( t ) is either an energy or power signal, calculate the corresponding metric E f or P f , respectively. 2 2. (15 points) A system with input f ( t ) has the zerostate response y ( t ) = 2 t 2∞ cos( t τ ) f ( τ ) dτ. (a) (4 points) Is the system zerostate linear or nonlinear? To receive partial credit you must justify your answer. (b) (4 points) Is the system timeinvariant or timevarying? To receive partial credit you must justify your answer. (c) (4 points) Is the system causal or noncausal? To receive partial credit you must justify your answer....
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This note was uploaded on 02/25/2012 for the course EE 350 taught by Professor Schiano,jeffreyldas,arnab during the Spring '07 term at Penn State.
 Spring '07
 SCHIANO,JEFFREYLDAS,ARNAB

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