Login Preferences
About News Publications Statistics Downloads API Guide License How to use Preferences
bn:03770007n
Noun Concept
Categories: Numerical analysis, Discrete transforms, Digital signal processing, Unitary operators, Fourier analysis
EN
discrete Fourier transform  centered DFT  Circular convolution theorem  Circular cross-correlation  Cross-correlation theorem
EN
In mathematics, the discrete Fourier transform converts a finite sequence of equally-spaced samples of a function into a same-length sequence of equally-spaced samples of the discrete-time Fourier transform, which is a complex-valued function of frequency. Wikipedia
Definitions
Relations
Sources
EN
In mathematics, the discrete Fourier transform converts a finite sequence of equally-spaced samples of a function into a same-length sequence of equally-spaced samples of the discrete-time Fourier transform, which is a complex-valued function of frequency. Wikipedia
Occasionally called the finite Fourier transform, the Fourier transform of a discrete periodic sequence, which can also be thought of as the DTFT of a finite-length sequence evaluated at discrete frequencies Wikipedia Disambiguation
The process of converting a discrete time-based function into its frequency-based representation. Wiktionary
Math: a conversion process. Wiktionary (translation)
IS A
discrete transform
Fourier transform
HAS PART
Fourier series
HAS KIND
discrete sine transform
discrete Hartley transform
DIFFERENT FROM
discrete Fourier transform
NAMED AFTER
Fourier
Wikipedia
EN
discrete Fourier transform
Wikidata
EN
discrete Fourier transform
Wiktionary
EN
discrete Fourier transform
Wikipedia Redirections
EN
centered DFT, Circular convolution theorem, Circular cross-correlation, Cross-correlation theorem, Discrete Fourier Transform, Discrete fourier transform, DTFS, Generalized discrete Fourier transform, inverse Discrete Fourier transform, Offset DFT, Shifted DFT

Please note that, in order to improve your browsing experience on this website, BabelNet® uses various types of cookies, including: browsing functionality, performance and statistical cookies.

By continuing to browse the site you are agreeing to our use of cookies. OK

License