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- Full_width_at_half_maximum abstract "Full width at half maximum (FWHM) is an expression of the extent of a function, given by the difference between the two extreme values of the independent variable at which the dependent variable is equal to half of its maximum value. Half width at half maximum (HWHM) is half of the FWHM.FWHM is applied to such phenomena as the duration of pulse waveforms and the spectral width of sources used for optical communications and the resolution of spectrometers.The term full duration at half maximum (FDHM) is preferred when the independent variable is time.The convention of "width" meaning "half maximum" is also widely used in signal processing to define bandwidth as "width of frequency range where less than half the signal's power is attenuated", i.e., the power is at least half the maximum. In signal processing terms, this is at most −3 dB of attenuation, called "half power point".If the considered function is the normal distribution of the formwhere is the standard deviation and can be any value (the width of the function does not depend on translation), then the relationship between FWHM and the standard deviation isIn spectroscopy half the width at half maximum (here γ), HWHM, is in common use. For example, a Lorentzian/Cauchy distribution of height (1/πγ) can be defined byand Another important distribution function, related to solitons in optics, is the hyperbolic secant:Any translating element was omitted, since it does not affect the FWHM. For this impulse we have:where arsech is the inverse hyperbolic secant.".
- Full_width_at_half_maximum thumbnail FWHM.svg?width=300.
- Full_width_at_half_maximum wikiPageExternalLink FullWidthatHalfMaximum.html.
- Full_width_at_half_maximum wikiPageID "41200".
- Full_width_at_half_maximum wikiPageRevisionID "601125895".
- Full_width_at_half_maximum hasPhotoCollection Full_width_at_half_maximum.
- Full_width_at_half_maximum subject Category:Statistical_deviation_and_dispersion.
- Full_width_at_half_maximum subject Category:Telecommunication_theory.
- Full_width_at_half_maximum subject Category:Waves.
- Full_width_at_half_maximum type Abstraction100002137.
- Full_width_at_half_maximum type Event100029378.
- Full_width_at_half_maximum type Happening107283608.
- Full_width_at_half_maximum type Movement107309781.
- Full_width_at_half_maximum type PsychologicalFeature100023100.
- Full_width_at_half_maximum type Wave107352190.
- Full_width_at_half_maximum type Waves.
- Full_width_at_half_maximum type YagoPermanentlyLocatedEntity.
- Full_width_at_half_maximum comment "Full width at half maximum (FWHM) is an expression of the extent of a function, given by the difference between the two extreme values of the independent variable at which the dependent variable is equal to half of its maximum value.".
- Full_width_at_half_maximum label "Anchura a media altura".
- Full_width_at_half_maximum label "Full width at half maximum".
- Full_width_at_half_maximum label "Full width at half maximum".
- Full_width_at_half_maximum label "Halbwertsbreite".
- Full_width_at_half_maximum label "Halfwaardebreedte".
- Full_width_at_half_maximum label "Largeur à mi-hauteur".
- Full_width_at_half_maximum label "Largura à meia altura".
- Full_width_at_half_maximum label "Szerokość połówkowa".
- Full_width_at_half_maximum label "Полуширина".
- Full_width_at_half_maximum label "半値幅".
- Full_width_at_half_maximum label "半峰全宽".
- Full_width_at_half_maximum sameAs Halbwertsbreite.
- Full_width_at_half_maximum sameAs Anchura_a_media_altura.
- Full_width_at_half_maximum sameAs Largeur_à_mi-hauteur.
- Full_width_at_half_maximum sameAs Full_width_at_half_maximum.
- Full_width_at_half_maximum sameAs 半値幅.
- Full_width_at_half_maximum sameAs 반높이_너비.
- Full_width_at_half_maximum sameAs Halfwaardebreedte.
- Full_width_at_half_maximum sameAs Szerokość_połówkowa.
- Full_width_at_half_maximum sameAs Largura_à_meia_altura.
- Full_width_at_half_maximum sameAs m.0b98d.
- Full_width_at_half_maximum sameAs Q1065170.
- Full_width_at_half_maximum sameAs Q1065170.
- Full_width_at_half_maximum sameAs Full_width_at_half_maximum.
- Full_width_at_half_maximum wasDerivedFrom Full_width_at_half_maximum?oldid=601125895.
- Full_width_at_half_maximum depiction FWHM.svg.
- Full_width_at_half_maximum isPrimaryTopicOf Full_width_at_half_maximum.