EL ENG 120 Midterm: ee120-fa2000-mt1-Fearing-exam
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In each column, write yes, no or ? (use ? if the system can not be classified with the given information). The input ot the system is x(t) and the output is y(t). (+1 for correct answer, 0 for black, -1 for incorrect; 0 minimum score. ) System: y(t) = |x(t), yt(t) = x(t) + 1, y(t) = dx(t)/dt, y(t) = int(x(l)x(t-l),dl,-infinity,+infinity) Consider a system whose behavior is specified by the differential equation: dy(t)/dt + y(t) = x(t) with input x(t) and output y(t). Answer each part independently, using the sketches on the next page, or state none. The sketches on the next page can be used as either spectra or time plots. The vertical scale, horizontal scale, and origin in each of the answer sketches are arbitrary, and independent.
