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Wiki Fast Fourier Transform

wiki Fast Fourier Transform

Fouriertransformation også kaldet Fourierafbildning er en matematisk funktion der . med en hurtig algoritme kaldet FFT efter engelsk fast Fourier transform. The Cooley–Tukey algorithm, named after J.W. Cooley and John Tukey, is the. A fast Fourier transform (FFT) algorithm computes the discrete Fourier transform (DFT) of a sequence, or its inverse. Fourier analysis converts a signal from its  ‎ Discrete Fourier transform · ‎ Cooley–Tukey FFT algorithm · ‎ Frequency domain. Fast Fourier Transform Telescope is Tegmark and Zaldarriaga's name for a design for an all-digital synthetic-aperture telescope. It is a type of interferometer. FFT (eng. Fast Fourier Transform) er en algoritme til beregning af Fouriertransformationen af en diskret serie af værdier. Den anvendes til digital. The Fourier transform decomposes a function of time (a signal) into the frequencies that make it identified). The latter is routinely employed to handle periodic functions. The fast Fourier transform (FFT) is an algorithm for computing the DFT.

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19.03.2 Diskrete Fourier-Transformation, FFT

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