ECE-350 Midterm: ECE 350 Boise State Exam1 Solutions s11
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. 23 february 2011: (24 points) for the following system, Name:__solutions ______________ y(t) = e-3tx(t+4) determine if each of the following properties are satisfied and explain why or why not: (2 points each for right answer, 6 points each for right explanation) (a) memory. The input time is t+4, the output time is t. t+4 != t. input time must be = output time if the system is memoryless. (b) causality: The input time is t+4, the output time is t. t+4 > t. input time must be <= output time for causality. (c) stability. If the input is bounded by m, the output can still grow to inf. if t (cid:198) -inf.
