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File:FFT visual 100.jpg

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日本語: データ数100の離散フーリエ変換の模式図。色は1の100乗根の偏角を表す。この図で表される行列をデータ列にかけることで元データの離散フーリエ変換が得られる。 この行列の列を並び替えることで、元の行列のパターンは最終的にデータ数5の離散フーリエ変換のパターンに分解できる。
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current09:32, 14 October 2017Thumbnail for version as of 09:32, 14 October 20174,204 × 4,192 (2.2 MB)Sebastian Wallroth (talk | contribs)File:FFT visual 100.pdf cropped using CropTool with precise mode.

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