Exponentiated Weibull distribution family under aperture averaging for Gaussian beam waves
Nowadays, the search for a distribution capable of modeling the probability density function (PDF) of irradiance data under all conditions of atmospheric turbulence in the presence of aperture averaging still continues. Here, a family of PDFs alternative to the widely accepted Log-Normal and Gamma-G...
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| Veröffentlicht in: | Optics express 2012-06, Vol.20 (12), p.13055-13064 |
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| container_title | Optics express |
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| creator | Barrios, Ricardo Dios, Federico |
| description | Nowadays, the search for a distribution capable of modeling the probability density function (PDF) of irradiance data under all conditions of atmospheric turbulence in the presence of aperture averaging still continues. Here, a family of PDFs alternative to the widely accepted Log-Normal and Gamma-Gamma distributions is proposed to model the PDF of the received optical power in free-space optical communications, namely, the Weibull and the exponentiated Weibull (EW) distribution. Particularly, it is shown how the proposed EW distribution offers an excellent fit to simulation and experimental data under all aperture averaging conditions, under weak and moderate turbulence conditions, as well as for point-like apertures. Another very attractive property of these distributions is the simple closed form expression of their respective PDF and cumulative distribution function. |
| doi_str_mv | 10.1364/OE.20.013055 |
| format | Article |
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| source | DOAJ Directory of Open Access Journals; Recercat; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Comunicacions mòbils Comunicacions mòbils, Sistemes de Distribució de Gauss Enginyeria de la telecomunicació Gaussian beams IRRADIANCE FLUCTUATIONS KOLMOGOROV PHASE SCREEN PROBABILITY DENSITY Radiocomunicació i exploració electromagnètica SIMULATION TO-STRONG TURBULENCE Weibull distribution Àrees temàtiques de la UPC |
| title | Exponentiated Weibull distribution family under aperture averaging for Gaussian beam waves |
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