搜索结果: 1-15 共查到“知识库 Monte Carlo”相关记录413条 . 查询时间(0.093 秒)
A Revised Monte Carlo Method for Target Location with UAV
Monte Carlo Target location UAV Bias
2024/1/19
Target location using UAV equipped with vision system has played an important role in many applications but there remain challenges. One of the principal difficulties is to position a target with a hi...
随着第四代反应堆以及先进核能利用系统的发展，对中子核数据提出了高精度、多核素、宽能区的新要求。目前，中国核数据评价库（CENDL库）中相关核裂变的数据较缺失，不足以满足当前核能发展的需求。因此，建立面向中子核数据需求的可靠计算方法和工具变得极为重要。本文基于Monte-Carlo方法建立了裂变碎片质量动能计算模型，研究了中低能中子诱发232Th（n，f）反应发射中子前裂变碎片的分布特性。对于裂变碎...
基于Monte-Carlo方法的爆炸碎片飞散仿真
爆炸碎片 数值模拟 Monte-Carlo方法 液体火箭
2020/4/24
为合理预测某型液体运载火箭爆炸生成碎片的危害区域，保证地面发射场设施设备及人员的安全，采用Monte-Carlo方法模拟了爆炸碎片的飞散轨迹，分析了碎片初速和火箭爆心高度对碎片散布的影响。结果表明：火箭爆炸碎片初始速度是影响碎片最大飞行距离的重要因素，火箭爆炸碎片的最大飞行距离随着碎片初始速度的增大而增大，但随着碎片初始速度的增大，碎片最大飞行距离的增长幅度慢慢减小；随着爆心高度的不断增加，爆炸碎...
Lattice Gaussian Sampling by Markov Chain Monte Carlo: Bounded Distance Decoding and Trapdoor Sampling
lattice Gaussian sampling Markov chain Monte Carlo bounded distance decoding
2019/6/5
Sampling from the lattice Gaussian distribution plays an important role in various research fields. In this paper, the Markov chain Monte Carlo (MCMC)-based sampling technique is advanced in several f...
为快速识别边坡施工过程中的风险,构建基于层次分析法(AHP)—蒙特卡洛(Monte Carlo)的安全总体风险评估体系和界定边坡风险等级区间.根据湘西某高速公路边坡施工过程中引起边坡失稳的主要因素,进行了风险源识别,采用AHP方法确定风险源权重,建立边坡施工安全评估模型.该公路63处边坡风险特征参数体现了边坡风险分值R的分布规律.运用Monte Carlo模拟边坡安全评估分数F,建立了该公路的边坡...
Why Monte Carlo Simulations are Inferences and not Experiments
Monte Carlo method computer simulations inference experiment randomness
2016/5/27
Monte Carlo Simulations arrive at their results by introducing randomness, sometimes derived from a physical randomizing device. Nonetheless, we argue, they open no new epistemic channels beyond that ...
Exploring the Measurement Of Forests With Full Waveform LIDAR through Monte-Carlo Ray Tracing
Forestry structure lidar vegetation simulation 3D modelling satellite
2015/11/20
The error of the height estimates are precisely quantified by comparison with the 3D model height. This paper discusses the development and testing of the inversion of tree height from simulations of ...
装备研制进度关键路径的Monte Carlo模拟与分析
网络计划技术 关键路径法 蒙特卡罗 研制进度
2016/10/13
针对武器装备研制进度管理中无法对工期进行有效管理的问题，提出一种将Monte Carlo 运用到PERT 网 络中以确定关键路径的方法。在经典计划评审技术基础上，给出网络图中工序的关键度、关键路径的定义，通过Monte Carlo 法模拟仿真计算得到各工序关键度的大小，依据关键度大小确定网络的关键路径，并成功地将该方法运用到某 自主防空作战平台运载器分系统PERT 网络图分析中。仿真结果表明：该方...
One-dimensional model of interacting-step fluctuations on vicinal surfaces:Analytical formulas and kinetic Monte Carlo simulations
One-dimensional model interacting-step fluctuations vicinal surfaces Analytical formulas kinetic Monte Carlo simulations
2015/10/16
We study analytically and numerically a one-dimensional model of interacting line defects steps fluctuating on a vicinal crystal. Our goal is to formulate and validate analytical techniques for appr...
CONNECTION OF KINETIC MONTE CARLO MODEL FOR SURFACES TO ONE-STEP FLOW THEORY IN 1+1 DIMENSIONS
kinetic Monte Carlo Burton–Cabrera–Frank theory low-density approximation near-equilibrium condition master equation maximum principle
2015/10/16
The Burton–Cabrera–Frank (BCF) theory of step flow has been recognized as a valuable tool for describing nanoscale evolution of crystal surfaces. We formally derive a single-step BCF-type model from a...
Generative Models and Markov Chain Monte Carlo Techniques for Detection and Reconstruction of Stairs from 2D Point Clouds
Building Stairs Detection Reconstruction Markov Chain Monte Carlo MAP Estimation Generative Model Point Cloud
2015/10/12
The paper describes an approach for the automatical reconstruction of homogeneous straight stairs from point cloud data by using a
generative model and Markov Chain Monte Carlo techniques for estima...
The use of Monte Carlo simulations for seismic hazard assessment in the U.K.
Seismic hazard Monte Carlo simulation
2015/9/30
The input required for a seismic hazard study using conventional Probabilistic Seismic Hazard assessment (PSHA) methods can also be used for probabilistic analysis of hazard using Monte Carlo simulati...
MODELLING DEM DATA UNCERTAINTIES FOR MONTE CARLO SIMULATIONS OF ICE SHEET MODELS
GIS DEM/DTM Error Correlation Impact Analysis Modelling Reference Data Glaciology
2015/9/28
For realistic modelling of digital elevation model (DEM) uncertainty, information on the amount and spatial configuration is needed.However, common DEM products are often distributed with global error...
USING MONTE-CARLO RAY TRACING TO INVESTIGATE THE MEASUREMENT OF FOREST PARAMETERS WITH THE ECHIDNATM LASER SCANNER
Canopy foliage lidar
2015/9/8
A Monte-Carlo ray tracer has been developed from a previous system to simulate a ground based, full waveform laser ranger, such as
the Echidna? Overlapping scans have been simulated using a geometric...
Discussion of: \Sequential Quasi-Monte-Carlo Sampling" by Mathieu Gerber and Nicolas Chopin
Mathieu Gerber Nicolas Chopin
2015/8/21
We congratulate Gerber and Chopin for a very interesting paper with much
promise for applications. SQMC is similar to array-RQMC (L'Ecuyer et al.,
2008), in using T sets of N points in [0;1]d
inste...