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PracticeProblemsMidterm_solu

# by the bias amount 10 3 the the frequency is bias 1

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Unformatted text preview: nction takes the ! = value 10/ 3 period is T = 2⇡ /! = by the bias amount 10/ 3 The the frequency is bias 1, and the when Solution: The amplitude is 8, the frequency is ! = 1, and the period is T = 2⇡ /! = p⇡ . The 2 p t = ⇡ /6 + n⇡ for every integer n. curvetheshiftedp whole Thus is sketch is:. The function takes 10/ 3. value 10/ 3 when whole curve is shifted up by the bias amount 10/ up by the bias amount the bias The function takes the bias value 10 3 2π t= t = ⇡ /6 + n⇡ for every integer n⇡ /6 + n⇡ for every integer n. Thus the sketch is: . Thus the sketch is: y(t) 2π y(t) 8 8 10/ 3 π/6 t 10/ 3 π/6 t 3 3 3 11. Which of the following systems H (s) oscillate in response to the impulse input? (Use these systems for the next ﬁve questions) (A) 1 s+1 (E) s1 s2 + 2s + 10 (B) 1 s2 (C) 2 (F) s2 s2 s +3 s+1 2s + 10 (D) (G) s(s + 5) + 3s + 2 s2 (s s2 + 1 3)(s2 + s + 5) Solution: The impulse response oscillate when the system has a pair of complex poles. These are C, E, F, G 12. Which system(s) is/are stable? S...
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