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- Twiddle_factor abstract "A twiddle factor, in fast Fourier transform (FFT) algorithms, is any of the trigonometric constant coefficients that are multiplied by the data in the course of the algorithm. This term was apparently coined by Gentleman & Sande in 1966, and has since become widespread in thousands of papers of the FFT literature.More specifically, "twiddle factors" originally referred to the root-of-unity complex multiplicative constants in the butterfly operations of the Cooley-Tukey FFT algorithm, used to recursively combine smaller discrete Fourier transforms. This remains the term's most common meaning, but it may also be used for any data-independent multiplicative constant in an FFT.The Prime-factor FFT algorithm is one unusual case in which an FFT can be performed without twiddle factors, albeit only for restricted factorizations of the transform size.".
- Twiddle_factor wikiPageID "2707398".
- Twiddle_factor wikiPageLength "1190".
- Twiddle_factor wikiPageOutDegree "10".
- Twiddle_factor wikiPageRevisionID "563631830".
- Twiddle_factor wikiPageWikiLink Butterfly_diagram.
- Twiddle_factor wikiPageWikiLink Category:FFT_algorithms.
- Twiddle_factor wikiPageWikiLink Complex_number.
- Twiddle_factor wikiPageWikiLink Cooley-Tukey_FFT_algorithm.
- Twiddle_factor wikiPageWikiLink Cooley–Tukey_FFT_algorithm.
- Twiddle_factor wikiPageWikiLink Discrete_Fourier_transform.
- Twiddle_factor wikiPageWikiLink Fast_Fourier_transform.
- Twiddle_factor wikiPageWikiLink Prime-factor_FFT_algorithm.
- Twiddle_factor wikiPageWikiLink Recursion.
- Twiddle_factor wikiPageWikiLink Root_of_unity.
- Twiddle_factor wikiPageWikiLink Trigonometric_function.
- Twiddle_factor wikiPageWikiLink Trigonometric_functions.
- Twiddle_factor wikiPageWikiLinkText "Twiddle factor".
- Twiddle_factor wikiPageWikiLinkText "twiddle factor".
- Twiddle_factor hasPhotoCollection Twiddle_factor.
- Twiddle_factor wikiPageUsesTemplate Template:Doi.
- Twiddle_factor subject Category:FFT_algorithms.
- Twiddle_factor type Algorithm.
- Twiddle_factor type Transform.
- Twiddle_factor comment "A twiddle factor, in fast Fourier transform (FFT) algorithms, is any of the trigonometric constant coefficients that are multiplied by the data in the course of the algorithm.".
- Twiddle_factor label "Twiddle factor".
- Twiddle_factor sameAs m.07z8ry.
- Twiddle_factor sameAs Q7857913.
- Twiddle_factor sameAs Q7857913.
- Twiddle_factor sameAs 旋轉因子.
- Twiddle_factor wasDerivedFrom Twiddle_factor?oldid=563631830.
- Twiddle_factor isPrimaryTopicOf Twiddle_factor.