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• 14:36, 25 July 2022 Githubhenrykoo talk contribs created page Talk:Video/The imaginary number i and the Fourier Transform (Created page with "Fourier Transform is an equivalent representation of the signal. <math>\hat{f}(\xi) = \int_{-\infty}^{\infty} f(x)\ e^{-i 2\pi \xi x}\,dx,\quad \forall\ \xi \in \mathbb R.</math>")