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Lexikon


Fourier transform


A technique for expressing a waveform as a weighted sum of sines and cosines. Computers generally rely on the version known as {discrete Fourier transform}. Named after J. B. Joseph Fourier (1768 -- 1830). See also ref="module.php?name=Lexikon&file=search&eid=1&query=wavelet">wavelet, ref="module.php?name=Lexikon&file=search&eid=1&query=discrete cosine transform">discrete cosine transform. (1997-03-9)

In addition suitable contents:
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