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  • 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 (7,360 words) - 15:22, 24 July 2024
  • Thumbnail for PLOS
    of Science; PLoS until 2012 ) is a nonprofit publisher of open-access journals in science, technology, and medicine and other scientific literature, under...
    26 KB (2,460 words) - 19:26, 22 July 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...
    71 KB (11,045 words) - 03:18, 22 July 2024
  • Thumbnail for Principal component analysis
    analysis, visualization and data preprocessing. The data is linearly transformed onto a new coordinate system such that the directions (principal components)...
    114 KB (14,283 words) - 16:49, 3 July 2024
  • Most forms of lossy compression are based on transform coding, especially the discrete cosine transform (DCT). It was first proposed in 1972 by Nasir...
    68 KB (7,500 words) - 14:51, 8 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) - 13:14, 5 August 2024
  • Thumbnail for Transform fault
    A transform fault or transform boundary, is a fault along a plate boundary where the motion is predominantly horizontal. It ends abruptly where it connects...
    13 KB (1,691 words) - 22:09, 8 August 2024
  • to the frequency domain usually through use of the Fourier transform. The Fourier transform converts the time or space information to a magnitude and phase...
    27 KB (2,990 words) - 00:44, 12 July 2024
  • Thumbnail for Wavelet
    Haines, VG. V.; Jones, Alan G. (1988). "Logarithmic Fourier Transform" (PDF). Geophysical Journal (92): 171–178. doi:10.1111/j.1365-246X.1988.tb01131.x. S2CID 9720759...
    52 KB (7,221 words) - 17:21, 11 August 2024
  • Thumbnail for Fourier-transform infrared spectroscopy
    Fourier-transform infrared spectroscopy (FTIR) is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas...
    37 KB (4,774 words) - 15:30, 26 June 2024
  • A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies...
    101 KB (12,042 words) - 18:03, 28 July 2024
  • Thumbnail for Fourier analysis
    frequencies are present in a musical note would involve computing the Fourier transform of a sampled musical note. One could then re-synthesize the same sound...
    37 KB (4,733 words) - 18:28, 14 May 2024
  • tectonics forms the boundary between two tectonic plates, this is known as a transform or conservative plate boundary. Areas of strike-slip tectonics are characterised...
    15 KB (1,844 words) - 08:37, 22 April 2024
  • whitening: the decorrelation transform removes only the correlations but leaves variances intact, the standardization transform sets variances to 1 but leaves...
    7 KB (802 words) - 01:33, 4 January 2024
  • Thumbnail for JPEG 2000
    JPEG standard (created in 1992), which is based on a discrete cosine transform (DCT), with a newly designed, wavelet-based method. The standardized filename...
    61 KB (5,608 words) - 14:34, 8 August 2024
  • Fourier-transform ion cyclotron resonance mass spectrometry is a type of mass analyzer (or mass spectrometer) for determining the mass-to-charge ratio...
    17 KB (2,196 words) - 18:39, 25 March 2024
  • Thumbnail for Brownian excursion
    the Laplace transform of (the density) of ∫ 0 1 e ( t ) d t {\displaystyle \int _{0}^{1}e(t)\,dt} . A formula for a certain double transform of the distribution...
    12 KB (1,662 words) - 23:49, 7 November 2023
  • Thumbnail for Wavelet transform
    mathematical definition of an orthonormal wavelet and of the integral wavelet transform. A function ψ ∈ L 2 ( R ) {\displaystyle \psi \,\in \,L^{2}(\mathbb {R}...
    28 KB (3,943 words) - 07:55, 28 June 2024
  • Thumbnail for Frequency domain
    domains with a pair of mathematical operators called transforms. An example is the Fourier transform, which converts a time function into a complex valued...
    10 KB (1,193 words) - 15:29, 26 December 2023
  • Thumbnail for Stata
    Stata (redirect from The Stata Journal)
    six times a year. It was relaunched in 2001 as the peer-reviewed Stata Journal, a quarterly publication containing descriptions of community-contributed...
    22 KB (1,758 words) - 17:02, 10 April 2024
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