نتایج جستجو برای: events
تعداد نتایج: 321494 فیلتر نتایج به سال:
The influence of the multi-boson effects on pion multiplicities, single-pion spectra and two-pion correlation functions is discussed in terms of an analytically solvable model. It is argued that spectacular multi-boson effects are likely to be observed only in the rare events containing sufficiently high density fluctuations. The possibilities of unlike particle correlations for a study of the ...
The ANN-based mesoscale-microscale coupling model forecasts wind speed and wind direction with high accuracy for wind parks located in complex terrain onshore, yet some weather regimes remains unresolved and forecast of such events failing. The model's generalization improved significantly when categorization information added as an input. The improved model is able to resolve extreme events an...
a Center for Stock Assessment Research and Department of Applied Mathematics and Statistics, University of California, Santa Cruz, CA 95064, United States b MRAG Americas, POB 1410 Capitola, California 95010, United States c Dipartimento di Scienze Ambientali, Università degli Studi di Parma, Viale G. P. Usberti 33/A, I-43100 Parma, Italy d Hopkins Marine Station, Stanford University, Pacific G...
[1] The observed trends in extreme precipitation events, and those in annual and seasonal mean precipitation in China during 1961–2001 are analyzed. The results show that the annual mean precipitation increases significantly in southwest, northwest, and east China, and decreases significantly in central, north and northeast China. The increasing trends in east China occurred mainly in summer, w...
This paper focuses on Federal law as it relates to consent to search relating to Fourth Amendment privacy in the practice of Digital Forensics. In particular, Digital Examiners should be aware of how decisions in Federal Court may impact their ability to acquire evidence in both civil and criminal settings. Digital Forensics, being a relatively new field, is particularly subject to change as ca...
This article proposes a method to quantitatively measure the resilience of transportation systems using GPS data from taxis. The granularity of the GPS data necessary for this analysis is relatively coarse; it only requires coordinates for the beginning and end of trips, the metered distance, and the total travel time. The method works by computing the historical distribution of pace (normalize...
We introduce a simulation model of the port of Calais with a focus on the operation of immigration controls. Our aim is to compare the cost and benefits of different screening policies. Methodologically, we are trying to understand the limits of discrete event simulation of rare events. When will they become “too rare” for simulation to give meaningful results?
Rare events are often described by a Poisson distribution. In clinical research the examination of such rare events could be the basis of a non-inferiority trial. In order to plan such a trial the power of a statistical test comparing two Poisson distributions is required. The purpose of this paper is to present a method for calculating size and power of three statistical tests. The method can ...
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with two parameters, a (location) and b > 0 (scale), [2, p. 50]. The Cauchy distribution occurs in numerous applications, see, e.g., [3, p. 159]. A recent interest in C(a, b) is due to its “fat tails”, accounting for outliers (rare events) better than the more concentrated distributions commonly used, in particular the normal distribution. Indeed, these “rare” events with significant consequenc...
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