ECE-350 Midterm: ECE 350 Boise State Exam1 Solutions s05
15 Feb 2019
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One 8 x 11 sheet of notes, and a calculator are allowed during the exam. Write all answers neatly and show your work to get full credit. A calculator is allowed during the exam, but should not be needed. 14 february 2005: (21 points) for the following system, Name: solution ________________ y(t) = cos( x(t+2) ) determine if each of the following properties are satisfied and explain why or why not: (2 points each for right answer, 5 points each for right explanation) (a) causality: The system has x(t+2) as the input source and y(t) as the output signal t+2 > t, therefore, not causal (b) stability. For any value of x(t) or x(t+2), the output will be bounded by 1 due to the properties of the cosine function. 14 february 2005: (29 points) you are given x(t) is as shown in the figure below and h(t) = e-3tu(t). 1 t (a) (5 points) sketch h(t) h(t)
