• Thumbnail for Fast Fourier transform
    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
  • Thumbnail for Fourier transform
    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
  • Thumbnail for Discrete Fourier transform
    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
  • Thumbnail for Short-time Fourier transform
    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
  • Thumbnail for Fourier analysis
    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