查询词典 Monte Carlo

Then the empiristic model of the electron energy relaxation time and high field mobility can be got by the Monte Carlo simulation.

本文对ESD应力下超深亚微米NMOSFET器件内部载流子的强电场非本地输运进行了分析和研究，根据其特点可以将电子能量驰豫时间看作是电子能量的函数，然后使用蒙特卡罗模拟方法得到了电子能量驰豫时间和高场迁移率的经验模型，并使用新的参数模型加入ESD混合仿真平台，仿真结果与实验符合较好。

In this paper,convolution method is used to calculate the sum of sev- eral Stochastic tolerances with uniform distribution .

采用卷积算法对均匀分布的随机变量进行求和，与Monte-Carlo法和矩法相比，该方法具有较快的速度和较高的精度。

Based on international and national risk management theory and application results as well as characteristics of complex systems, hierarchical holographic modeling, monte carlo simulation, fuzzy comprehensive evaluation, surrogate worth trade-off method and multiobjective risk impact analysis are exploringly and methodologically introduced into risk management research of complex systems for exploring the extent and depth of theory and application about this field, and increasing their possibilities.

本文基于国内外风险管理理论和应用研究的已有成果，针对复杂系统管理的特点，从方法论的角度，将等级全息建模法、蒙特卡罗仿真模拟、模糊综合评价法、替代值多目标权衡分析以及多目标风险影响分析法探索式地引入到复杂系统的风险管理研究中，为拓展该领域理论和应用的广度及深度增强了更具实现的可能性，为跨学科的系统风险管理实践提供了有力的支撑。

While discarding faultful gradient methods traditionally employed in decision analysis under risk, this thesis combines modern meta-heuristic algorithms like Genetic Algorithm and Tabu Search with Monte Carlo simulation to construct hybrid optimization algorithms.

针对传统风险决策分析将不确定性因素简化，采用梯度法寻优的诸多缺陷，本文以Excel为计算建模平台，以蒙特卡罗模拟为手段，并结合启发式优化算法，研究设计风险决策问题的求解方法。

The model based inversion methods are discussed in detail and the Monte Carlo technique, genetic algorithm and simulated annealing method are introduced in the inversion computation theories on the geodetic deformation analysis and geodynamical interpretation.

结合最优化理论讨论了基于模型的几种反演解算方法。首次将蒙特卡罗法、模拟退火算法以及遗传算法等全局最优化算法引入到大地测量形变分析和解释的反演解算理论中。

On the basis of atomic transition enerygy and absorbed bounds, a filter of the same ingredient as target material was adopted. This method can make the original polychrome X-ray turn into almost homochrome. Simulation analysis was taken by Egsnrc software based on Monte Carlo method and good effect gained.

根据原子的跃迁能量和能量吸收限，确定了用和靶材料相同的材料做成滤波片，可以很好地吸收靶物质所产生的低能射线，使最初的多色X射线谱近似单色化，并用基於蒙特卡罗方法的Egsnrc软件对硬化校正方案进行了仿真分析，获得了很好的结果。

However, recent empirical evidences show returns of most financial assets are characterized as being leptokurtic and fat-tailed. So the general Monte Carlo

全文共分5个部分，对各部分的内容安排如下：第一部分，绪论，主要讨论研究的背景及意义，并对VaR的发展进行文献

If all goes to plan, our car will be ready for Monte Carlo, Marko told the Italian newspaper La Stampa.

如果一切顺利的计划，我们的赛车将被准备蒙特卡罗，马尔科说，意大利报纸帕瓦罗蒂。

Methods A Monte Carlo stochastic simulation method was developed to calculate irradiation doses of the victims with a mathematical model of adult man of MIRD,and a practical computer program for dose estimation was established.

基于MIRD的成人数学模型用蒙特卡罗随机模型方法计算事故患者的辐射剂量，并编制了一个用于此计算实用计算机程序。

Methods Based on time-order SPECT/CT infusion imaging and ^153Sm-EDTMP assay of patient urine, the absorption dose of bone lesion and the different organs were calculated with Monte Carlo EGS4 and MIRD methods.

方法基于病人时序性SPECT/CT扫描和累积尿液的放射性测定，利用优化的MC EGS4程序和MIRD方法分别计算病灶和其他靶器官的吸收剂量。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了