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Exam Questions Papers - Engineering

Q1:

The fourier transform of a double sided exponential function
is

A

B

C

D

ANS:D -

Consider general expression X(jω) = ea|t| e- jωt dt = eat e-jωt dt + e-ate-jωt dt X(jω) = e(a - jω)t dt + e -(a + jω)t dt Since ∴ .