Results 61 to 70 of about 64,333 (291)

ASYMPTOTIC DISTRIBUTIONS OF ESTIMATORS FOR THE MEAN AND THE VARIANCE OF A COMPOUND CYCLIC POISSON PROCESS

open access: yesBarekeng
A stochastic process has an important role in modeling various real phenomena. One special form of the stochastic process is a compound Poisson process.
Ika Reskiana Adriani   +2 more
doaj   +1 more source

Indirect approach for estimation of forest degradation in non-intact dry forest: modelling biomass loss with Tweedie distributions

open access: yesCarbon Balance and Management, 2016
Background Implementation of REDD+ requires measurement and monitoring of carbon emissions from forest degradation in developing countries. Dry forests cover about 40 % of the total tropical forest area, are home to large populations, and hence often ...
Klaus Dons   +4 more
doaj   +1 more source

An R Implementation of the Polya-Aeppli Distribution [PDF]

open access: yes, 2014
An efficient implementation of the Polya-Aeppli, or geometirc compound Poisson, distribution in the statistical programming language R is presented.
Burden, Conrad J.
core  

Evaluating Energy Absorption Performance of Filled Lattice Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Maximum stress must be considered to robustly evaluate energy absorber designs. This approach was applied to compare all types of absorbers in a single Ashby diagram and determine the utility of filling lattice voids with a second material. High‐performance fillers can improve the performance of lattices that are limited by buckling or catastrophic ...
Christian Bonney   +2 more
wiley   +1 more source

Spatial modelling of claim frequency and claim size in insurance [PDF]

open access: yes, 2005
In this paper models for claim frequency and claim size in non-life insurance are considered. Both covariates and spatial random e ects are included allowing the modelling of a spatial dependency pattern.
Czado, Claudia, Gschlößl, Susanne
core   +2 more sources

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators

open access: yesAdvanced Engineering Materials, EarlyView.
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad   +6 more
wiley   +1 more source

The Compound DGL/Erlang Distribution in the Collective Risk Model || La distribución compuesta DGL/Erlang en el modelo de riesgo colectivo [PDF]

open access: yesRevista de Métodos Cuantitativos para la Economía y la Empresa, 2013
In this paper the analysis of the collective risk model assuming Erlang loss, when the claim frequency follows the discrete generalized Lindley distribution, is considered.
Gómez Déniz, Emilio   +1 more
doaj  

Approximations for sums of three-valued 1-dependent symmetric random variables

open access: yesNonlinear Analysis, 2020
The sum of symmetric three-point 1-dependent nonidentically distributed random variables is approximated by a compound Poisson distribution. The accuracy of approximation is estimated in the local and total variation norms.
Gabija Liaudanskaitė   +1 more
doaj   +1 more source

Nonparametric estimation of the heterogeneity of a random medium using Compound Poisson Process modeling of wave multiple scattering

open access: yes, 2009
In this paper, we present a nonparametric method to estimate the heterogeneity of a random medium from the angular distribution of intensity transmitted through a slab of random material.
Bihan, Nicolas Le, Margerin, Ludovic
core   +4 more sources

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