monte carlo simulation of a nonlinear servomechanism a noise input test

Simulation of a Multiple Input Multiple Output (MIMO) wireless system

Ngày tải lên : 20/11/2012, 11:36

... described as travelling along localized ray paths (i.e approximately a straight line) Therefore, ray tracing can be used as a method for the simulation and approximation of radio wave propagation ... the appropriate electric field value The ray list contains all of the data about rays propagating from a base station to a field point Each field point has a ray list associated with it A ray ... Fitzpatrick As can be seen, it is passed a particular base station, an image and its order, and also the field point As seen earlier a ray is made up of nodes, two of these nodes are always the base...

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Monte carlo simulation of molecules and ions in liquid water

Ngày tải lên : 10/09/2015, 15:49

... instead of with its inverse power Like the induction energy, this term is always attractive and non-additive Penetration Penetration is, in a way, an `artefact' of the classical treatment of ... r (a) = to otin V A (r(B)) = a qa + rα (a) 4πε0 R + = a = a rα (a) rβ (a) 2! qa − rα (a) 4πε0 R + ∂ ∂rα (a) |R − r (a) | qa − rα (a) 4πε0 R ∂2 ∂rα (a) ∂rβ (a) |R − r (a) | ∂ ∂Rα |R − r (a) | rα (a) rβ ... Electrostatic Probably the most basic and easily analysable of all molecular forces, this energy arises from the classical Coulombic interaction between the 1.1 Intermolecular Forces A Preamble static...

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Monte carlo simulation of light propagation in stratified water

Ngày tải lên : 26/11/2015, 12:54

... weighed average values ix Monte Carlo simulation of light propagation in stratified water It was also analysed whether the reflectance of a stratified ocean is identical to that of a hypothetical ... Irradiance Downwelling irradiance Upwelling irradiance Net downward irradiance Scalar irradiance Downwelling scalar irradiance Upwelling scalar irradiance Net downward scalar irradiance Forwardscattering ... relatively few researchers Zaneveld (1982) used an analytical approach based on a radiative transfer equation to relate the inherent optical coefficients of backscattering and beam attenuation...

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A study of conformational response of DNA to nanoconfinement by monte carlo simulation

Ngày tải lên : 09/09/2015, 10:16

... Beyond the standard tests, a practical test is carried out to further validate the quality of ran2 In this case, the practical test is a Monte Carlo study of a random ﬂight chain This chain is the ... properties of a physical system, data analysis is carried out on the ensemble by statistical means Such statistical tools are known as Statistical Physics (also known as Statistical Mechanics) The ... time-average of a single trajectory [90] This saves a lot of time in estimating the timeevolution of a property for a BD simulation Brownian Dynamics oﬀers a better approach than Molecular Dynamics...

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Báo cáo hóa học: " Simulation of ultrasound nonlinear propagation on GPU using a generalized angular spectrum method" docx

Ngày tải lên : 20/06/2014, 22:20

... for beamforming acceleration on SAFT imaging IEEE International Ultrasonics Symposium 2009, 1334-1337 Elnokrashy AF, Elmalky AA, Hosny TM, Ellah MA, Megawer A, Elsebai A, Youssef ABM, Kadah YM: ... performed on a CPU In this article, a GPU implementation of the generalized ASM (GASM) in a 3D + t configuration is presented The mathematical and the acoustic background of the GASM have already been ... for parallel computation as well as the kernel that makes calculations voxel by voxel in a 3D image The final increase in speed measured on a laptop graphics card (Quadro NVS 160 M) is 3.5 On a...

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Phase separations in protein solutions a monte carlo simulation study

Ngày tải lên : 14/09/2015, 14:06

... Publications Jianguo Li, Raj Rajagopalan, and Jianwen Jiang Molecular Modeling and Simulation for Phase Behavior of Protein Solutions A chapter in the book: 'Thermodynamics of Amino Acid and Protein ... depletion interaction can be described by Asakura–Oosawa (AO) model (Asakura and 20 Chapter Literature Review Oosawa, 1958) The AO model assumes the colloidal particles as hard spheres, and the polymer ... 2007, Singapore Jianguo Li, Raj Rajagopalan, Jianwen Jiang, Mark Saeys Calculation of the Phase Diagrams of IgG Using a Simple Four-site Model The 4th Graduate Student Symposium (Jointly organized...

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Design and Simulation of A CMOS-MEMS Accelerometer

Ngày tải lên : 27/10/2013, 23:15

... lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the estimated value is calculated assuming a total sensing capacitance of ... have to overlap The effective total value of these parasitic capacitors is around 70fF, which is the same order as the total sensing capacitance Parasitic capacitance of diodes and input transistors ... capacitors, Cd is about an order of magnitude larger than Cd_air, so approximately the total gap capacitance is equal to the sum of Cm_air and Cd_air, which is close to the gap capacitance of...

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Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc

Ngày tải lên : 22/12/2013, 08:16

... lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the estimated value is calculated assuming a total sensing capacitance of ... have to overlap The effective total value of these parasitic capacitors is around 70fF, which is the same order as the total sensing capacitance Parasitic capacitance of diodes and input transistors ... capacitors, Cd is about an order of magnitude larger than Cd_air, so approximately the total gap capacitance is equal to the sum of Cm_air and Cd_air, which is close to the gap capacitance of...

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Tài liệu Báo cáo khoa học: Suppressed catalytic efﬁciency of plasmin in the presence of long-chain fatty acids Identiﬁcation of kinetic parameters from continuous enzymatic assay with Monte Carlo simulation ppt

Ngày tải lên : 18/02/2014, 17:20

... all three fatty acids affected the activity of miniplasmin in the same manner as that of plasmin; apparent activation was seen with stearate and inhibition was seen with oleate and arachidonate ... the amidolytic assay of plasmin activity, according to Model I, in the presence of oleate (OA) and arachidonate (AA), or, according to Model III, in the presence of stearate (SA) Using the Monte ... setting of ﬁbrin(ogen)olysis should await similarly rigorous characterization of plasmin activity on its natural substrates Materials and methods Materials Sodium salt and free acid forms of oleic,...

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Báo cáo khoa học: Structure, epitope mapping, and docking simulation of a gibberellin mimic peptide as a peptidyl mimotope for a hydrophobic ligand pot

Ngày tải lên : 16/03/2014, 23:20

... peptide-antibody recognition 11 Murata T, Fushinobu S, Nakajima M, Asami O, Sassa T, Wakagi T & Yamaguchi I (2002) Crystal structure of the liganded anti-gibberellin A4 antibody 4-B8(8) ⁄ E9 Fab fragment ... stage, the same protocol was applied by adding hydrogen bond restraints and dihedral angle restraints Additional NOE constraints were added in each round of calculations, and restraints that ... for v angles of serine residues The search ˚ area was set within 10 A of the centroid of heavy atoms of GA4 in the crystal structure Other calculation parameters were set to the default values...

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Báo cáo "Monte carlo simulation by code of MCNP and experimental check for measuring thickness of materials for the specializing system of MYO-101 " ppt

Ngày tải lên : 22/03/2014, 11:20

... measure count rate when placing additional standard sheets of the same material Thickness of the material is gradually increased until obtained count rate reaches a saturation value [3] Fig Cross-section ... processes of scattering and absorption will be compensated Thus, an amount of gamma-rays scattered from the material in order to crystal of the detector are not changed and it will create a saturated ... 47 Proccessing of the measured results and drawing of graphs are done by software of Origin The fitted equations and saturation thicknesses of 97% for each material are listed in Table 2, where...

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Case Study in Financial Modeling and Simulation of a Forestry Investment potx

Ngày tải lên : 23/03/2014, 04:20

... can span a lifetime of over 50 years Cash Flow Structure General for Projects initial cash outlay inflows from sale of product Particular to Forestry long term maintenance timed on-going outlays:thinnings, ...  Wood growth is measured by the MAI: Mean Annual Increment; ‘the annual increase in cubic meters of harvestable timber per hectare’  The MAI is influenced byrelevant rainfall, soil fertility, ... fire, pests and diseases, unsuitable species, collateral damage at harvest Forestry Risks  Timber return: inappropriate pruning and thinning, poor growth, timber usage and fashion changes  Sovereign...

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Design and simulation of a shunt active filter pdf

Ngày tải lên : 06/07/2014, 09:20

... use of the automatic system based on active filtering From the analysis of the experimental data, in case of a nonlinear load of rectifier type, one may observe that there are different levels of ... ib [A] -10 10 ic [A] -10 a) b) Figure 6: Current waveforms of a nonlinear load represented by a controlled rectifier in case of a control angle equal with 30°, (a) and the harmonic spectrum of ... controller Results obtained by numerical simulations The performance analysis of the system with active filtering was realized based on the data obtained by simulation in Matlab-Simulink environment...

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Báo cáo nghiên cứu khoa học: "Monte carlo simulation by code of MCNP and experimental check for measuring thickness of materials for the specializing system of MYO-101" pptx

Ngày tải lên : 21/07/2014, 16:21

... measure count rate when placing additional standard sheets of the same material Thickness of the material is gradually increased until obtained count rate reaches a saturation value [3] Fig Cross-section ... processes of scattering and absorption will be compensated Thus, an amount of gamma-rays scattered from the material in order to crystal of the detector are not changed and it will create a saturated ... 47 Proccessing of the measured results and drawing of graphs are done by software of Origin The fitted equations and saturation thicknesses of 97% for each material are listed in Table 2, where...

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Development and biodynamic simulation of a detailed musculo skeletal spine model

Ngày tải lên : 10/09/2015, 15:50

... Nikhil Jagdish for his useful discussions and advices during the last two years The author is very grateful to Lakshmanan Kannan Anand Natara for his assistance and maintenance of LifeMOD software ... increase the levels of realism Especially, haptics has been investigated at length for medical education and surgical simulations, such as for surgical planning and laparoscopic surgical training ... devoid of muscles is validated against Panjabi et al (Panjabi et al., 1988, Panjabi et al., 1998) and colleagues’ experiments conducted using a bench-top trauma sled and isolated cervical spine...

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Modeling and simulation of a hybrid electric vehicle using MATLAB/Simulink and ADAMS

Ngày tải lên : 27/01/2016, 13:02

... Activating Mechanical Brakes The brake constant for this model is arbitrarily set as 200Nm, and can be modified if additional test data are available Modeling the mechanical brake interface with ... simulate the hybrid vehicle Comparison of simulation results obtained from the MATLAB/ADAMS simulation platform and ADVISOR will be presented Chapter will contain comparative analysis of hybrid and ... manufacturers are now able to perform design, testing, and optimization of a vehicle through computer simulation, all prior to the actual manufacturing of a vehicle Similar to other areas of automotive...

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Threedimensional fullloop simulation of a dual fluidizedbed biomass gasifier

Ngày tải lên : 01/08/2016, 09:31

... each computational particle is tracked The calculations of momentum, mass and energy transfer for the particle phase are on the basis of computational particles, rather than real particles Applying ... Barracuda Virtual ReactorÒ A case using a 243,423-cell grid and 419,506 computational particles is set as a base case The model is set to run for 100 s of simulation time to reach pseudo steady-state ... external surface area, and therefore the adiabatic wall setting becomes a more reasonable option than the prescribed temperature setting As shown in Table 2, the mean diameter of biomass particles...

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Modeling and simulation of a downdraft biomass gasifier 1. Model development and validation

Ngày tải lên : 02/08/2016, 09:35

... consumption rate, the airflow rate can be calculated using global mass balance of produced gas, total air, wet biomass and ash For a given input of gas flow rate at gasifier exit and airflow rate, Eq (3) for ... of magnitudes [6] Non-equilibrium approaches use char conversion as a surface phenomena describing by char reactivity and global reactions of char–gas and gas–gas reactions An effective global ... the char reactivity factor, which represents the reactivity of char (or number of active sites on the char surface) and is a key parameter in simulation of fixed bed gasification As char burn-off...

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Báo cáo y học: "Monte Carlo Commissioning of Low Energy Electron Radiotherapy Beams using NXEGS Software"

Ngày tải lên : 03/11/2012, 10:05

... the majority of breast and head and neck cancers For each of the nine combinations of electron beam energies and applicator sizes (we designate each combination as a “beam” and denote each beam ... proprietary Monte Carlo based system, NXEGS, provides an automated alternative to traditional commissioning NXEGS is a suite of Monte Carlo applications for radiotherapy, which are based on the EGS4 standard ... Accurate characterization of Monte Carlo calculated electron beams for radiotherapy Med Phys 1996; 24:401-416 Ma C-M and Jiang SB Monte Carlo modeling of electron beams from medical accelerators Phys...

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