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Fourier Transform of Gaussian Functions 📂Fourier Analysis

Fourier Transform of Gaussian Functions

Formulas

The Fourier transform of a Gauss function $f(x)=e^{-Ax^2}$ is given as follows.

$$ \mathcal{F}[f] (\xi) = \mathcal{F} \left[ e^{-Ax^2} \right] (\xi)=\sqrt{\frac{\pi}{A}}e^{-\frac{\xi ^2}{4A}} $$