Least squares support vector machines; response surface method; Monte-Carlo method; reliability analysis
最小二乘支持向量机；响应面法； Monte-Carlo法；可靠度分析
Stochastic variables included driven accelerations, driven time, torques, frictions and damps were considered basically. In the first, Monte Carlo method was applied to generate stochastic variables and dynamical responds of mechanism. Secondly, the application of Artificial Neural Network was motivated by the approximate concepts inherent in reliability analysis and time consuming repeated analyses required for MC.
将驱动加速度、驱动时间、摩擦和阻尼力等作为随机变量，应用蒙特卡罗方法，取得动态参数样本，再利用人工神经网络方法，根据抽取的样本对网络进行训练，统计网络输出得到动态应力分布，进而求出机构动态强度可靠度。
Monte Carlo finite element method structural steel grid reliability analysis and discussion.
采用蒙特卡罗有限元法对钢网架结构的可靠性进行分析和探讨。
It is shown that this proposed ratio model is equivalent to the CCR DEA model. This equivalence property offers a great deal of opportunities for DEA to be interpreted and applied in different ways. This model also offers an insight into the frontier analysis.
前沿面单元的判定推论使得在Excel中实现DEA Monte Carlo模拟变得相当简便；本文研究出在Excel中实施DEA Monte Carlo模拟的步骤，并采用具体算例分别实施了5000次和10000次的DEA Monte Carlo模拟仿真。
The simulation results show the movement can better reflect the actual photon process by gamma spectrum analysis of simulation results.
采用Monte Carlo方法对点源γ光子穿越球壳形屏蔽层的问题进行了蒙特卡罗计算与模拟，并用VC++编写了软件对光子运行过程进行模拟，通过对模拟结果γ能谱的分析，显示模拟结果能较好的反映实际光子的运动过程。
Put forward an estimate method of project cost risk based on Controlled Interval and Memory Models and Monte Carlo simulation technique, and an. estimate means of contingencies based on the risk analysis result.
结合大型水电工程项目投资风险的特点，讨论了基于工作分解结构与风险分解结构进行项目投资风险辨识的方法，提出了将CIM模型与蒙特卡罗模拟技术相结合的项目投资风险估计方法，并探讨了在风险分析基础上估计项目不可预见费的方法。
The fifth chapter gets the disturbing characteristic of the flaw by analysis the material characteristic. It analysis and calculates disturbing characteristic of the length of the limiting flaw with the special mathematics mode, and it notarizes the flaw life with the COD way on the basis of analysision of magnitude of the stress.
本文第五章通过对材料属性的分析，得出裂尖启裂因子的分布特性，通过特定的随机数学模型，分析计算并导出了临界裂纹长度的分布特性，并在对应力幅的分析基础上，运用COD方法来确定裂纹扩展寿命，最终运用Monte-Carlo模型计算得到了裂纹扩展寿命的分布特性。
This paper introduced worst case analysis and monte carlo analysis with software of EWB.
举例说明用EWB进行最坏情况分析和蒙托卡诺分析的具体方法和步骤。
Compared with HSPICE, the average errors of the mean and average deviation in Monte Carlo analysis were less than 0.7% and 0.51% respectively.
和HSPICE相比，Monte Carlo分析中的均值和平均偏差误差分别低于0.7%和0.51%。
Monte-Carlo analysis reports show that the frequency precision of oscillator is within ±14%.
蒙特卡罗分析结果显示，振荡器的频率精度为±14％。
In this paper, we give a brief introduction of our experiences in applying computer simulation techniques into the research of geological fluids. The main results can be summarized as follows:(1) we have successfully reproduced the experimental phase behaviors of the typical geological systems with Monte Carlo simulations; (2) through comprehensive isothermal-isobaric molecular dynamics simulations, the PVT data of water have been extended beyond experimental range to about 2000 K and 20 GPa and an improved equation of state for water has been established; (3) based on extensive computer simulations, an optimized molecular potential for carbon dioxide have been proposed, this model is expected to predict different properties of carbon dioxide (volumetric properties, phase equilibria, heat of vaporization, structural and dynamical properties) with improved accuracies; (4) with molecular dynamics simulations and careful analysis, we`ve got various structural, dynamical and thermodynamical properties of lithium chloride ionic solvations and associations, these results not only agree well with experimental data and first principle calculation results, but also reveal some new insights into the microscopic ionic solvation and association processes.
本论文简要介绍了我们把计算机模拟技术应用到地质流体研究中的成果，主要可概括为：（1）利用蒙特卡罗计算机模拟方法，我们成功地模拟了地质流体体系相平衡和相变，取得了与实验一致的结果，从而在计算机上实现了相平衡研究，与花费昂贵的实验相比具有方法学上的先进性；（2）通过分子动力学模拟研究水的物理化学性质，我们把水的PVT数据从实验所允许的温压范围（温度小于1873.15 K、压力低于5万大气压）扩展到2000 K、20万大气压，并提出了一个适用于宽广温压条件下的状态方程；（3）通过分子动力学和蒙特卡罗模拟，我们建立了一个CO2分子模型，它能同时准确预测CO2的各种物理化学性质和行为（PVT性质、相平衡、潜热、结构性质和动力学性质）；（4）通过分子动力学模拟研究氯化锂在溶液中的离子水化和缔合性质，我们得到了与实验和量子力学模拟一致的结果，与此同时还揭示了离子水化和缔合过程的微观机制。
That's why I first looked into Monte Carlo analysis.
这就是为什么我第一次把蒙特卡罗分析研究。
There are many reasons people choose to use Monte Carlo Analysis.
有很多理由的人选择使用蒙特卡罗分析。
Furthermore, the effects of Ge-, Ag-, Hg-and Pb-additions on the properties and structure were studied. The technologies for refining of raw materials and glass-melting were studied for the purpose to depress impurities and defects in the glasses which resulted in the extrinsic absorption and scattering loss of optical fibers through changing the conditions of processing and characterized by infrared transmission spectra and scanning electron microscopy. The variations of properties with compositions were studied by density measurements, differential thermal analysis, IR spectra and deliquescence-resistance observation. The probability and methods of fiber-drawing were performed on the selected glasses. The structure of the AsTe-Ge and As-Te-Ag glasses was studied by X-ray diffraction and reverse Monte Carlo computer simulation to understand the effects of Ge-and Ag-additions. The chemical bonding in the glasses was studied by self-consistent-field discrete variational X〓.
通过改变玻璃原料的提纯及熔制工艺条件，结合红外光谱分析和扫描电子显微镜分析，研究了硫卤玻璃的熔制技术，了解引起非本征损耗的因素消除情况；通过密度分析、差热分析、IR分析及抗潮解性能分析研究了玻璃各项性能随组成的变化关系；在此基础上选取合适的光纤玻璃组成，并通过实验探索其成纤性能及适宜的拉纤方法；围绕材料组成—结构—性能之间关系，了解Ge和Ag等元素的引入对玻璃结构和性能的影响，采用X射线衍射分析，求得了As-Te-Ge和As-Te-Ag玻璃的径向分布函数，并与逆蒙特卡洛计算机模拟方法相结合，来认识玻璃中原子排列情况；并采用自洽场离散变分X〓分子轨道法研究As-X-I玻璃的化学键特性。
The thesis introduces unsystematic risk and systematic risk based on the characteristics of the real estate investment project and several common probable risky evaluation methods, such as break-even method, sensitivity analysis and Monte Carlo simulation firstly.
本文首先介绍了基于房地产投资项目特征的内外风险，还介绍了几种常见的不确定风险评价方法，如盈亏平衡法、敏感性分析法和蒙特卡洛模拟法。
Based on the characteristic analysis of the array backscatter imaging system and the Monte-Carlo simulation experiments, a new way combining gain normalization and slope adjustment was introduced to correct the image data in the array backscatter imaging.
基于阵列背散射成像系统的特点分析，应用蒙特卡罗仿真实验方法，归纳总结出1种增益归一化与斜率调整相结合的阵列背散射图像校正方法。
The analysis solution and Monte -Carlo simulation results of pointing angle errors are given.
本章给出弹载转发和地面转发角度交班误差的摄动法估算结果和Monte-Carlo仿真结果，以及速度交班误差的仿真结果。
A kind of improved Monte-Carlo method is put forward, it is simple and practical as well as high precise, and reliability of tunnel lining structure is calculated by using this method combining with finite element method of certainty analysis.
提出了一种简单、实用且精度很高的改进蒙特卡罗法，并将该法与确定性的结构分析有限元法相结合分析了隧道衬砌结构的可靠度。
The empirical part of this article is the use of technology which internationally accepted measuring portfolio credit risk–Value at Risk, using Monte Carlo simulation approach to have a analysis and forecasting on the ratio of non-performing loan in our commercial banking.
本文的实证部分运用国际上通行的度量组合风险的技术──风险价值，利用蒙特卡罗模拟法来对我国商业银行体系的不良贷款率进行分析和预测。
Some calculating method based on reliability theory such as JC method, MONTE CARLO method are described in this paper, and the statistic regularity for loads and structure resistance is given. The basic performance, development condition and application in the engineering are summarized. A prestressed Canada bridge is used to evaluate its reliability using reliability theory. The results suggest that the reliability analysis using Monte Carlo Method is feasible.
本文介绍了可靠性理论的基本原理和结构可靠度的计算方法，结构可靠度的计算方法主要有一次二阶矩法、JC法、蒙特卡洛法，并对荷载和结构抗力的统计规律进行分析，分析和总结了国内外碳纤维的基本性能、发展状况以及在工程上的应用情况，得出碳纤维预应力筋的强度分布规律为正态分布的结论，引用加拿大的一座预应力桥梁，运用可靠性理论对其进行可靠度分析，结果证明，运用蒙特卡洛法进行可靠度分析是切实可行的。