نتایج جستجو برای: extremas distributions

تعداد نتایج: 134657  

Journal: :Journal of cognitive neuroscience 2004
G Dehaene-Lambertz T Gliga

Investigating the degree of similarity between infants' and adults' representation of speech is critical to our understanding of infants' ability to acquire language. Phoneme perception plays a crucial role in language processing, and numerous behavioral studies have demonstrated similar capacities in infants and adults, but are these subserved by the same neural substrates or networks? In this...

Journal: :Acta crystallographica. Section A, Foundations of crystallography 2009
Rob W W Hooft Leo H Straver Anthony L Spek

The validity of the normal distribution as an error model is commonly tested with a (half) normal probability plot. Real data often contain outliers. The use of t-distributions in a probability plot to model such data more realistically is described. It is shown how a suitable value of the parameter nu of the t-distribution can be determined from the data. The results suggest that even data tha...

2013
V. R. Chechetkin

The main statistical distributions applicable to the analysis of genome architecture and genome tracks are briefly discussed and critically assessed. Although the observed features in distributions of element lengths can be equally well fitted by the different statistical approximations, the interpretation of observed regularities may strongly depend on the chosen scheme. We discuss the possibl...

Journal: :Theoretical population biology 2014
M G Bowler

The methods of Maximum Entropy have been deployed for some years to address the problem of species abundance distributions. In this approach, it is important to identify the correct weighting factors, or priors, to be applied before maximising the entropy function subject to constraints. The forms of such priors depend not only on the exact problem but can also depend on the way it is set up; p...

Journal: :Journal of water and health 2007
M N Mons J M L van der Wielen E J M Blokker M I Sinclair K F A M Hulshof F Dangendorf P R Hunter G J Medema

The volume of cold tap water consumed is an essential element in quantitative microbial risk assessment. This paper presents a review of tap water consumption studies. Study designs were evaluated and statistical distributions were fitted to water consumption data from The Netherlands, Great Britain, Germany and Australia. We conclude that the diary is to be preferred for collecting water consu...

2007
M. Moreno J. I. Peña P. Serrano Pedro Serrano

The market for tranched credit products (CDOs, Itraxx tranches) is one of the fastest growing segments in the credit derivatives industry. However, some assumptions underlying the standard Gaussian onefactor pricing model (homogeneity, single factor, Normality), which is the pricing standard widely used in the industry, are probably too restrictive. In this paper we generalize the standard mode...

2010
Sucbei Moon Sang-Won Lee Zhongping Chen

We present a new signal processing method that extracts the reference spectrum information from an acquired optical coherence tomography (OCT) image without a separate calibration step of reference spectrum measurement. The reference spectrum is used to remove the fixed-pattern noise that is a characteristic artifact of Fourier-domain OCT schemes. It was found that the conventional approach bas...

2016
Alayon Glazunov Andres Alayon Glazunov Jan-Erik Berg

A statistical distribution for the number of CDMA RAKEfingers N7; to be assigned in order to track a given percent of the total received power has been derived. The obtained distribution reveals a strong dependence of NT on the system bandwidth, the median rms delay spread, its standard deviation and other environment spec@c parameters. Also, a statistical distribution for the fading width h.5!...

Journal: :International journal of occupational safety and ergonomics : JOSE 2009
Ewa Kotarbińska Emil Kozłowski

This paper presents the methodology and the results of binaural measurements of exposure to noise for 91 industry workers wearing ear-muffs. The results revealed that 18.7% of the workers were exposed to noise of equivalent A-weighted sound pressure levels of over 80 dB(A) and 7.7% to levels of over 85 dB(A). The measured levels were compared with those calculated with the octave-band method ac...

Journal: :Optics express 2015
Seng Fatt Liew Hui Cao

Optical absorption is omnipresent and often distributed non-uniformly in space. We present a numerical study on the effects of inhomogeneous absorption on transmission eigenchannels of light in highly scattering media. In the weak absorption regime, the spatial profile of a transmission channel remains similar to that without absorption, and the effect of inhomogeneous absorption can be stronge...

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