نتایج جستجو برای: rayleigh function

تعداد نتایج: 1226080  

Journal: :International Journal of Ocean System Engineering 2012

2009
G. NOLET

GABRIELS, P., SNIEDER, . and NOLET, G. 1987, In Situ Measurement of Shear-Wave Velocity in Sediments with Higher-Mode Rayleigh Waves, 35,187-196. A seismic survey was carried out on a tidal flat in the SW-Netherlands in order to determine shear-wave velocities in sediments by means of higher-mode Rayleigh waves. The dispersion properties of these Rayleigh waves were measured in the 2-D amplitud...

Journal: :Journal of data science 2021

:A new distribution called the exponentiated Burr XII Weibull(EBW) distributions is proposed and presented. This contains several known such as log-logistic Weibull, Rayleigh, exponential, Lomax Exponential, Rayleigh exponential special cases. A comprehensive investigation of properties this generalized including series expansion probability density function cumulative function, hazard reverse ...

2013
Xiao-lin Shi

This paper introduces estimations of reliabilities index for Rayleigh components in a series system using Type-II censored and masked system life data. We derive the Maximum likelihood estimation (MLE) of the unknown parameters for Rayleigh components and reliabilities index. In view of the limitation of MLE under complete masked case, we employ the Bayes approach. Bayes estimations of the Rayl...

Journal: :IJWIN 2005
Vidhyacharan Bhaskar

In this paper, a detailed theoretical analysis of fading margin in an asynchronous code division multiple access (A-CDMA) system is discussed. Rayleigh and Rician frequency-selective slowly fading channels are considered. Probability distribution and density functions of the probability of error are derived for Rayleigh and Rician fading channels. The fluctuations in the channel capacity are pr...

2008
Gerhard Kramm

A generalized form of Wien’s displacement law and the blackbody radiation laws of (a) Rayleigh and Jeans, (b) Rayleigh, (c) Wien and Paschen, (d) Thiesen and (e) Planck are derived using principles of dimensional analysis. This kind of scaling is expressed in a strictly mathematical manner employing dimensional π-invariants analysis sometimes called Buckingham’s π-theorem. It is shown that in t...

Journal: :IEICE Transactions 2012
Chanho Yoon Hoojin Lee Joonhyuk Kang

In this letter, we provide an asymptotic error rate performance evaluation of space-time block codes from coordinate interleaved orthogonal designs (STBCs-CIODs), especially in shadowed Rayleigh fading channels. By evaluating a simplified probability density function (PDF) of Rayleigh and Rayleigh-lognormal channels affecting the STBC-CIOD system, we derive an accurate closed-form approximation...

2008
M. S. EMRAN

We study the fine-scale statistics of temperature and its derivatives in turbulent RayleighBénard convection. Direct numerical simulations are carried out in a cylindrical cell with unit aspect ratio filled with a fluid with Prandtl number equal to 0.7 for Rayleigh numbers between 10 and 10. The probability density function of the temperature or its fluctuations is found to be always non-Gaussi...

2015
Gamze Ozel

We introduce a new model called the Marshall-Olkin Rayleigh distribution which extends the Rayleigh distribution using Marshall-Olkin transformation and has increasing and decreasing shapes for the hazard rate function. Various structural properties of the new distribution are derived including explicit expressions for the moments, generating and quantile function, some entropy measures, and or...

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