Results 11 to 20 of about 28,338 (117)

New density estimation methods for charged particle beams with applications to microbunching instability

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2011
In this paper we discuss representations of charge particle densities in particle-in-cell simulations, analyze the sources and profiles of the intrinsic numerical noise, and present efficient methods for their removal.
Balša Terzić, Gabriele Bassi
doaj   +1 more source

Adaptive independent sticky MCMC algorithms

open access: yesEURASIP Journal on Advances in Signal Processing, 2018
Monte Carlo methods have become essential tools to solve complex Bayesian inference problems in different fields, such as computational statistics, machine learning, and statistical signal processing.
Luca Martino   +3 more
doaj   +1 more source

Yield-Constrained Optimization Design Using Polynomial Chaos for Microwave Filters

open access: yesIEEE Access, 2021
Yield optimization aims at finding microwave filter designs with high yield under fabrication tolerance. The electromagnetic (EM) simulation-based yield optimization methods are computationally expensive because a large number of EM simulations is ...
Zhen Zhang   +4 more
doaj   +1 more source

Monte Carlo Numerical Models for Nuclear Logging Applications [PDF]

open access: yesJournal of Systemics, Cybernetics and Informatics, 2012
Nuclear logging is one of most important logging services provided by many oil service companies. The main parameters of interest are formation porosity, bulk density, and natural radiation.
Fusheng Li, Xiaogang Han
doaj  

Development of a New Low-Energy Neutron Spectrometer Using a Position-Sensitive Proportional Counter: Examination of the Response Function Considering the Spectrometer Shield [PDF]

open access: yesJournal of Radiation Protection and Research
Background Boron neutron capture therapy (BNCT) is a potential radiation therapy for treating refractory cancers. Measuring the neutron energy spectrum is important to evaluate the biological effect of BNCT.
Yu Fujiwara   +3 more
doaj   +1 more source

Legendre multi-wavelets collocation method for numerical solution of linear and nonlinear integral equations

open access: yesAlexandria Engineering Journal, 2020
In this article, a new collocation technique for numerical solution of Fredholm, Volterra and mixed Volterra-Fredholm integral equations of the second kind is introduced and also developed a numerical integration formula on the basis of linear Legendre ...
Muhammad Asif   +3 more
doaj   +1 more source

Novel Reliability Method Validation for Floating Wind Turbines

open access: yesAdvanced Energy & Sustainability Research, 2023
Wind turbines and associated parts are susceptible to cyclic stresses, including torque, bending, and longitudinal stress, and twisting moments. Therefore, research on the resilience of dynamic systems under such high loads is crucial for design and ...
Oleg Gaidai   +3 more
doaj   +1 more source

SWEET: A Realistic Multiwavelength 3D Simulator for Automotive Perceptive Sensors in Foggy Conditions

open access: yesJournal of Imaging, 2023
Improving the reliability of automotive perceptive sensors in degraded weather conditions, including fog, is an important issue for road safety and the development of automated driving.
Amine Ben-Daoued   +2 more
doaj   +1 more source

Arc-Tangent Exponential Distribution With Applications to Weather and Chemical Data Under Classical and Bayesian Approach

open access: yesIEEE Access, 2023
This paper introduces the Arctan exponential distribution, a novel two-parameter trigonometric distribution. Various statistical properties of the distribution are examined, including hazard rate functions, cumulative hazard rate functions, mean ...
Laxmi Prasad Sapkota   +6 more
doaj   +1 more source

A Semianalytical PDF of Downlink SINR for Femtocell Networks

open access: yesEURASIP Journal on Wireless Communications and Networking, 2010
This paper presents a derivation of the probability density function (PDF) of the signal-to-interference and noise ratio (SINR) for the downlink of a cell in multicellular networks.
Ki Won Sung   +2 more
doaj   +2 more sources

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