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Consider a continuous time LTI system described by dy(t)dt+2y=x(t).

Using the Fourier transform, find out output to each of the following input signals.

i)  x(t)=etu(t)ii) x(t)=u(t)

Mumbai University > EXTC > Sem 4 > Signals and Systems

Marks : 10

Year : DEC 2014

1 Answer
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Given

dy(t)dt+2y=x(t)

By Laplace transform,

s y(s)+2y(s)=x(s)y(s)(s+2)=x(s)y(s)x(s)=1(s+2)H(s)=1(s+2)(i) x(t)=etu(t)X(s)=1(s+1)

By Laplace transform,

$Y (s) = …

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