Results 21 to 30 of about 662,489 (267)

Changes in Europe’s Temperature Extreme Values [PDF]

open access: yesAerul şi Apa: Componente ale Mediului, 2017
In environmental researches several concerns on the evolution of temperatures. However, in the last decade we can observe intensification of extreme events, including that of temperatures.
Z. MAGYARI-SÁSKA, Şt. DOMBAY
doaj   +1 more source

Piezoelectric Energy Harvester Response Statistics

open access: yesMicromachines, 2023
Safety and reliability are essential engineering concerns for energy-harvesting installations. In the case of the piezoelectric galloping energy harvester, there is a risk that excessive wake galloping may lead to instability, overload, and thus damage ...
Oleg Gaidai   +3 more
doaj   +1 more source

Zur Berechnung monatlicher Niederschlagshöhen aus synoptischen Meldungen

open access: yesMeteorologische Zeitschrift, 1992
Um die Datenbasis zur Erstellung globaler Analysen der monatlichen Niederschlagsverteilung im 2,5 °-Raster über den Landgebieten zu verbessern, werden im WZN (Weltzentrum für Niederschlagsklimatologie) neben den aus monatlichen Meldungen (CLIMAT ...
U. Schneider   +4 more
doaj   +1 more source

On the influence of variability of snow cover parameters to the ground freezing

open access: yesЛëд и снег, 2015
Depth and rate of the soil freezing are stronly determined by dynamics of snow accumulation during the first half of a cold season. Dynamics of snow accumulation over two periods (1966–2000 and 2001–2010) was analyzed using data of snow surveys performed
N. I. Osokin   +2 more
doaj   +1 more source

Improved Mixed Estimator Using Two Auxiliary Variables For Full Extreme Maximum And Minimum Values In Single Phase Sampling [PDF]

open access: yesالمجلة العراقية للعلوم الاحصائية
The use of multiple auxiliary variables has been established to improve precision in the estimators of ratio, regression and product respectively. However, the presence of extreme values in the distribution could annul such efficiency Olatayo et al ...
Timothy O. Olatayo   +2 more
doaj   +1 more source

Extreme-value statistics of stochastic transport processes

open access: yesNew Journal of Physics, 2020
We derive exact expressions for the finite-time statistics of extrema (maximum and minimum) of the spatial displacement and the fluctuating entropy flow of biased random walks.
Alexandre Guillet   +2 more
doaj   +1 more source

Estimating of the Proportional Hazard Premium for Heavy-Tailed Claim Amounts with the Pot Method

open access: yesRevstat Statistical Journal, 2012
In this paper we propose a new estimator of the proportional hazard premium for heavy-tailed claim amounts, with a help of the peak-over-threshold (POT) method.
Rassoul Abdelaziz
doaj   +1 more source

The Flexible Gumbel Distribution: A New Model for Inference about the Mode

open access: yesStats
A new unimodal distribution family indexed via the mode and three other parameters is derived from a mixture of a Gumbel distribution for the maximum and a Gumbel distribution for the minimum.
Qingyang Liu   +2 more
doaj   +1 more source

An Effective Fingerprint-Based Indoor Positioning Algorithm Based on Extreme Values

open access: yesISPRS International Journal of Geo-Information, 2022
Wi-Fi-based fingerprint indoor positioning technology has gained special attention, but the development of this technology has been full of challenges such as positioning time cost and positioning accuracy. Therefore, selecting reasonable Wireless Access
Ye Tao, Rongen Yan, Long Zhao
doaj   +1 more source

A New Parameter Estimator for the Generalized Pareto Distribution under the Peaks over Threshold Framework

open access: yesMathematics, 2019
Techniques used to analyze exceedances over a high threshold are in great demand for research in economics, environmental science, and other fields. The generalized Pareto distribution (GPD) has been widely used to fit observations exceeding the tail ...
Xu Zhao   +3 more
doaj   +1 more source

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