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frequency distribution function

См. также в других словарях:

  • Frequency distribution — In statistics, a frequency distribution is an arrangement of the values that one or more variables take in a sample. Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval, and… …   Wikipedia

  • frequency distribution — Statistics. the correspondence of a set of frequencies with the set of categories, intervals, or values into which a population is classified. [1890 95] * * * In statistics, a graph or data set organized to show the frequency of occurrence of… …   Universalium

  • Wigner distribution function — The Wigner distribution function (WDF), named after Eugene Wigner, was first proposed for corrections to classical statistical mechanics in 1932 by Eugene Wigner. But the Wigner distribution function is also a good transform for time frequency… …   Wikipedia

  • Cumulative distribution function — for the normal distributions in the image below …   Wikipedia

  • frequency distribution — noun Statistics a mathematical function showing the number of instances in which a variable takes each of its possible values …   English new terms dictionary

  • Bilinear time–frequency distribution — Bilinear time–frequency distributions, or quadratic time–frequency distributions, arise in a sub field field of signal analysis and signal processing called time–frequency signal processing, and, in the statistical analysis of time series data.… …   Wikipedia

  • Cohen's class distribution function — For many years, signal analysis in both time and frequency domain has enjoyed high degree of popularity. The time frequency analysis techniques are especially effective in analyzing non stationary signals, whose frequency distribution and… …   Wikipedia

  • Cone-shape distribution function — In mathematics, cone shape distribution function is one of the members of Cohen s class distribution function. It was first proposed by Yunxin Zhao, Lee. E. Atlas, and Robert J. Marks in 1990. The reason why this distribution is so named is… …   Wikipedia

  • Choi-Williams distribution function — is one of the members of Cohen s class distribution function. It was first proposed by Hyung Ill Choi and William J. Williams in 1989. This distribution function adopts exponential kernel to suppress the cross term. However, the kernel gain dose… …   Wikipedia

  • Choi–Williams distribution function — is one of the members of Cohen s class distribution function. It was first proposed by Hyung Ill Choi and William J. Williams in 1989. This distribution function adopts exponential kernel to suppress the cross term. However, the kernel gain does… …   Wikipedia

  • Motions in the time-frequency distribution — Several techniques can be used to move signals in the time frequency distribution. Similar to computer graphic techniques, signals can be subjected to horizontal shifting, vertical shifting, dilation (scaling), shearing, and rotation. These… …   Wikipedia

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