A fast Fourier transform (FFT) is an algorithm that computes the Discrete Fourier Transform (DFT) of a sequence, or its inverse (IDFT). Fourier analysis...
63 KB (7,383 words) - 16:01, 26 August 2024
In physics, engineering and mathematics, the Fourier transform (FT) is an integral transform that takes a function as input and outputs another function...
177 KB (21,044 words) - 21:02, 31 August 2024
In mathematics, the discrete Fourier transform (DFT) converts a finite sequence of equally-spaced samples of a function into a same-length sequence of...
72 KB (11,236 words) - 07:45, 27 August 2024
The short-time Fourier transform (STFT) is a Fourier-related transform used to determine the sinusoidal frequency and phase content of local sections...
22 KB (4,051 words) - 16:46, 1 August 2024
The discrete version of the Fourier transform (see below) can be evaluated quickly on computers using fast Fourier transform (FFT) algorithms. In forensics...
37 KB (4,735 words) - 01:02, 24 August 2024
arguments, Fourier-related transforms include: Two-sided Laplace transform Mellin transform, another closely related integral transform Laplace transform Fourier...
7 KB (933 words) - 23:28, 7 November 2023
the quantum Fourier transform (QFT) is a linear transformation on quantum bits, and is the quantum analogue of the discrete Fourier transform. The quantum...
20 KB (3,296 words) - 22:05, 30 August 2024
In mathematics, the discrete-time Fourier transform (DTFT) is a form of Fourier analysis that is applicable to a sequence of discrete values. The DTFT...
40 KB (5,163 words) - 00:26, 21 June 2024
discrete Fourier transform (NUDFT or NDFT) of a signal is a type of Fourier transform, related to a discrete Fourier transform or discrete-time Fourier transform...
14 KB (2,447 words) - 18:32, 29 August 2024
The cyclotomic fast Fourier transform is a type of fast Fourier transform algorithm over finite fields. This algorithm first decomposes a DFT into several...
6 KB (1,473 words) - 17:50, 27 December 2015