autocorrelation function

  • 51Nanoparticle tracking analysis — (NTA) is a method for visualizing and analyzing particles in liquids that relates the rate of Brownian motion to particle size. The rate of movement is related only to the viscosity and temperature of the liquid, it is not influenced by particle… …

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  • 52Matched filter — In telecommunications, a matched filter (originally known as a North filter[1]) is obtained by correlating a known signal, or template, with an unknown signal to detect the presence of the template in the unknown signal. This is equivalent to… …

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  • 53Least-squares spectral analysis — (LSSA) is a method of estimating a frequency spectrum, based on a least squares fit of sinusoids to data samples, similar to Fourier analysis. [cite book | title = Variable Stars As Essential Astrophysical Tools | author = Cafer Ibanoglu |… …

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  • 54ACF — is a three letter acronym that may refer to:Places* ACF River Basin, Apalachicola Chattahoochee Flint River Basin in the southeastern USAOrganizationsConservation* African Conservation Foundation, organisation involved with the conservation of… …

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  • 55Bispectrum — In mathematics, in the area of statistical analysis, the bispectrum is a statistic used to search for nonlinear interactions. The Fourier transform of the second order cumulant, i.e., the autocorrelation function, is the traditional power… …

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  • 56Bicoherence — In mathematics, in the area of statistical analysis, bicoherence is a squared normalised version of the bispectrum. The bicoherence takes values bounded between 0 and 1, which make it a convenient measure for quantifying the extent of phase… …

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  • 57Statistical signal processing — is an area of signal processing that treats signals as stochastic processes, dealing with their statistical properties (e.g., mean, covariance, etc.). Traditionally it is taught at the graduate level in electrical engineering departments around… …

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  • 58Diffusing-wave spectroscopy — (DWS) is an optical technique derived from dynamic light scattering (DLS) that studies the dynamics of scattered light in the limit of strong multiple scattering.[1][2] It has been widely used in the past to study colloidal suspensions, emulsions …

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  • 59ACF — accessory clinical findings; active case finding; acute care facility; advanced communication function or facility; anisotropic conductive film [computer assisted radiology]; anterior cervical fusion; anterior cranial fossa; area correction… …

    Medical dictionary

  • 60ACF — • accessory clinical findings; • active case finding; • acute care facility; • advanced communication function or facility; • anisotropic conductive film [computer assisted radiology]; • anterior cervical fusion; • anterior cranial fossa; • area… …

    Dictionary of medical acronyms & abbreviations