s10_ps10_spring04

# s10_ps10_spring04 - Uniﬁed Engineering II Spring 2004...

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Unformatted text preview: Uniﬁed Engineering II Spring 2004 Problem S10 (Signals and Systems) This problem provides lots of practice using partial fraction expansions to determine inverse Laplace transforms. Please use the coverup method — it really is superior to other methods, and more reliable. Also, please check your answer, that is, verify that your expansion really is equivalent to the G(s) given. For each of the following Laplace transforms, ﬁnd the inverse Laplace transform. 1. G(s) = 3s2 + 3s − 10 , Re[s] > 2 s2 − 4 2. G(s) = 6s2 + 26s + 26 , (s + 1)(s + 2)(s + 3) 3. G(s) = 4s2 + 11s + 9 , (s + 1)2 (s + 2) 4. G(s) = 4s3 + 11s2 + 5s + 2 , s2 (s + 1)2 Re[s] > −1 Re[s] > −1 s3 + 3s2 + 9s + 12 5. G(s) = , (s2 + 4) (s2 + 9) Re[s] > 0 Re[s] > 0 ...
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