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...s method applying the [[Hilbert transform]] to compute the [[instantaneous frequency]] of signals according to ...mplitude can be contoured on the frequency-time plane. This frequency-time distribution of the amplitude is designated as the Hilbert amplitude spectrum, or simply ...

...representation]] is used. [[Spectrogram]] is one of the most popular time-frequency representation, and '''generalized spectrogram''', also called "two-window ...tiplication of these two Gabor transform, the resolutions of both time and frequency axis will be enhanced. ...

The '''Customer Average Interruption Frequency Index (CAIFI)'''<ref>{{cite web |title = Distribution System Reliability Evaluation ...

...of the dimensions (especially by [[independent variable]]s), obtaining the distribution of ungrouped dimensions (especially the [[dependent variable]]s). The above data can be grouped in order to construct a frequency distribution in any of several ways. One method is to use intervals as a basis. ...

{{Short description|Frequency divided by a characteristic frequency}} <!-- Hide the merge tag to avoid a loop, because Digital frequency now redirects here. ...

...ransform]] (GT) and [[Wigner distribution function]] (WDF) are famous time–frequency methods, useful for analyzing music signals such as notes played on a piano ...e of the period length. Overtones are integer multiples of the fundamental frequency. ...

{{short description|Probability distribution}} {{Probability distribution ...

...on''' is a [[quasiprobability distribution]] that generalizes the [[Wigner distribution function]]. It was proposed by Boualem Boashash and Peter O'Shea in 1994. ...bution was proposed as a generalized form of the conventional Wigner–Ville distribution, which is able to deal with signals with nonlinear phase. ...

...quency until these extra photons appear, one can find the exact transition frequency. This method enables precise measurements at room temperature because it is ...r counter-propagating weak beam is also sent through the atoms at the same frequency, known as the probe beam. The absorption of the probe beam is recorded on a ...

...which causes all the machines in the system to accelerate. If the system frequency is decreasing, more load is on the system than the instantaneous generation ...sted to control the balance between generation and load to maintain system frequency at the desired value. The remaining units would be controlled with [[droop ...

'''IEC 61334''', known as '''Distribution automation using distribution line carrier systems''', is a standard for low-speed reliable [[power line It is also known as '''spread frequency-shift keying''' ('''S-FSK''') and was formerly known as '''IEC 1334''' befo ...

...ic is too large, when that statistic would have approximately a chi-square distribution if the null hypothesis is true. In minimum chi-square estimation, one find ...is that the test statistic actually does have approximately a [[chi-square distribution]] when the [[sample size]] is large. Generally, one reduces by&nbsp;1 the ...

...represent the signal in a joint time–frequency domain.<ref>L. Cohen, "Time–Frequency Analysis," ''Prentice-Hall'', New York, 1995. {{ISBN|978-0135945322}}</ref> ...tions were organized by Leon Cohen.<ref>L. Cohen, "Generalized phase-space distribution functions," ''J. Math. Phys.'', '''7''' (1966) pp.&nbsp;781–786, [https://d ...

...ts pointed out the radiation field on its own cannot reach the equilibrium distribution since the Maxwells equation are linear but it needs to exchange energy with ...math>\hbar\omega \ll m_ec^2</math> where <math>\omega</math> is the photon frequency. Then, the energy exchange in any collision between photon and electron wil ...

{{DISPLAYTITLE:Johnson's ''S_U''-distribution}}{{Expert needed |statistics |2= |talk= |reason=completion to reasonable st {{Probability distribution ...

...or Characterization of Sub-Annual Socioeconomic Drought Intensity-Duration-Frequency (IDF) Relationships in a Changing Environment|journal=Water|language=en|vol ...fore, the empirical IDF curve is given by the union of the points of equal frequency of occurrence and different duration and intensity<ref>Témez, J. (1978): Cá ...

{{Short description|DNA base variants frequency distribution}} ...=Mueller|first2=Jonas W.|last3=Song|first3=Yun S.|title=General triallelic frequency spectrum under demographic models with variable population size|journal=Gen ...

...''' or simply '''distribution fitting''' is the fitting of a [[probability distribution]] to a series of data concerning the repeated measurement of a variable phe ...[probability]] or to [[forecasting|forecast]] the [[Frequency (statistics)|frequency]] of occurrence of the magnitude of the phenomenon in a certain interval. ...

{{short description|Conditional Poisson distribution restricted to positive integers}} ...i.e., the minimum purchase is 1 item), so this phenomenon may follow a ZTP distribution.<ref> ...

...y, high speed, and low [[Dispersion (optics)|dispersion]] in the microwave frequency regime. In an OEO, the [[phase noise]] of the oscillator does not increase with the frequency that is subject to other implementations by [[electronic oscillator]]s such ...