نتایج جستجو برای: mont carlo simulation
تعداد نتایج: 601321 فیلتر نتایج به سال:
Konstantinos C. Siontis, MD, John P.A. Ioannidis, MD, DSC, George D. Katritsis, MB, CHB, BSC, Peter A. Noseworthy, MD, Douglas L. Packer, MD, John D. Hummel, MD, Pierre Jais, MD, PHD, Rungroj Krittayaphong, MD, Llius Mont, MD, PHD, Carlos A. Morillo, MD, Jens Cosedis Nielsen, MD, Hakan Oral, MD, Carlo Pappone, MD, PHD, Vincenzo Santinelli, MD, Rukshen Weerasooriya, MBBS, David J. Wilber, MD, Be...
introduction: the key characteristics of positron emission tomography (pet) are its quantitative capability and its sensitivity, which allow the in vivo imaging of biochemical interactions with small amounts of tracer concentrations. therefore, accurate quantification is important. however, it can be sensitive to several physical factors. the aim of this investigation is the assessment of the e...
the determination of gyration radius is a strong research for configuration of a macromolecule. italso reflects molecular compactness shape. in this work, to characterize the behavior of theprotein, we observe quantities such as the radius of gyration and the average energy. we studiedthe changes of these factors as a function of temperature for acetylcholine receptor protein in gasphase with n...
Shewhart charts are the main tools for statistical process control. They are used for detecting assignable causes which affect quality of process output. From them, X and MR charts are two univariate control charts for monitoring mean and variation of measurable quality characteristics. The main drawbacks of these charts are: weakness of X chart against non-normal distribution of process data,...
introduction: in recent decades, several monte carlo codes have been introduced for research and medical applications. these methods provide both accurate and detailed calculation of particle transport from linear accelerators. the main drawback of monte carlo techniques is the extremely long computing time that is required in order to obtain a dose distribution with good statistical accuracy. ...
Wind energy penetration in power system has been increased very fast and large amount of capitals invested for wind farms all around the world. Meanwhile, in power systems with wind turbine generators (WTGs), the value of Available transfer capability (ATC) is influenced by the probabilistic nature of the wind power. The Mont Carlo Simulation (MCS) is the most common method to model the uncerta...
The optimal multi-objective operation of microgrids with distributed generations and thermal block based on the energy management system is presented. In block, combined heat power boiler storage supply load thermal. Therefore, proposed strategy minimises three objectives an microgrid's operation, that is, cost, loss voltage deviation functions. Also, it subject to AC flow equations, limits con...
in this paper, we calculate electron and hole impactionization coefficients in in0.52al0.48as using a monte carlo modelwhich has two valleys and two bands for electrons and holesrespectively. also, we calculate multiplication factor for electronand hole initiated multiplication regimes and breakdown voltagein in0.52al0.48as pin avalanche photodiodes. to validate themodel, we compare our simulat...
background: for an effective treatment planning in brachytherapy, it is necessary to know the accurate source dosimetric information such as air kerma strength, exposure rate constant, dose rate constant and redial dose distribution. the usual method to determine these factors is thermo luminescent dosimeter (tld) dosimetry. nowadays, another more accurate method is known to be the monte carlo ...
this paper proposes a hybrid method to find cumulative distribution function (cdf) of completion time of gert-type networks (gtn) which have no loop and have only exclusive-or nodes. proposed method is cre-ated by combining an analytical transformation with gaussian quadrature formula. also the combined crude monte carlo simulation and combined conditional monte carlo simulation are developed a...
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