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Definition of Fourier Transform

The Fourier Transform or the Fourier integral of a function f(t) is denoted by F() and is defined by,
F() = F [ f (t)] = Description: 3806.png  (i)
and the inverse Fourier transform is defined by,
f(t) = F –1[F()] = Description: 3814.png  (ii)
Equations (i) and (ii) form the Fourier transform pair.

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