importance sampling是什么意思

网络释义

用法例句

Study on an importance sampling method of structrural dynamic reliability;

结构动力可靠度的重要抽样法的探讨

Fuzzy robustness analysis based on importance sampling and neural network;

基于重要抽样法和神经网络的模糊鲁棒性分析

An improved reliability sensitivity estimation of important sampling and its variance analysis;

改进的重要抽样可靠性灵敏度估计及其方差分析

Since the main contribution to the integral comes from the domain in the neighborhood of the point of local maximum used in the asymptotic method,it is reasonable to assume that the most probable value of the important sampling density function equals to the local maximum.

由于概率积分的主要贡献来自于最大被积分式值对应点的周围,因此本文的重要抽样法假定重要抽样函数的最大似然值等于最大被积分式值对应点值。

Digital simulation of fuzzy reliability based on the importance sampling method;

基于重要抽样法的模糊可靠性数字仿真

An adaptive importance sampling algorithm is presented to evaluate fuzzy-random general failure probability,where a simulated annealing optimization is employed to seek the fuzzy-random design point—the Most Probable Failure Point(MPFP) in the failure region.

基于模糊随机广义可靠性分析向随机可靠性分析的转换,提出了模糊随机广义失效概率计算的自适应重要抽样法,该方法利用模拟退火智能优化,在模拟的过程中逐步逼近模糊随机广义设计点,并在模拟过程中自适应地构造重要抽样函数,从而使得模糊随机失效概率的计算效率和精度大为提高。

The zero-variance technique is used to analyze a highly efficient importance sampling method developed by S.

Beck提出了一种高效率的线性体系的重要抽样法。

This paper describes the difficulty of rare-event probability estimation using digital simulation method in the view of computation complexity, and focuses on the principles and construction methods of importance sampling plan.

重要性抽样法是一种最重要的提高抽样效率的方法,由于其适用范围广,容易实现,在通信网、航空航天、自动控制等系统的可靠性安全性仿真中得到广泛研究和应用。

The undetected error probability of linear block codes for both error detection and correction is estimated with importance sampling.

研究用重要性抽样仿真方法估计线性分组码同时纠错和检错时的不可检错误概率。

And the importance sampling technique is applied to improve the sampling efficiency.

进一步研究了采用重要性抽样技术提高抽样效率的问题。

Owing to the fact that the structural system reliability can be formulated by the main failure modes,the RPAM is used to evaluate the structural system earthquake resistant reliability,and its precision is verified by the importance sampling method.

根据结构体系可靠度的特点 ,提出了基于概率Pushover分析的结构体系抗震可靠度评估方法 ,并用重要抽样法检验了所提方法的计算精度。

In this paper, JC method, random throwing - dot method and the importance sampling method of Monte - Carlo Method are adopted to calculate the failure probability and the reliability index of foundation bearing capacity.

该文分别采用ＪＣ法以及Ｍｏｎｔｅ—Ｃａｒｌｏ方法中的随机投点法和重要抽样法来计算地基承载力失效概率和可靠度指标，结果表明采用改进的搜索适应重要抽样法具有很大的优越性。

The application of the importance sampling method in the engineering examples,including an unstable problem and the total life of crack initiating and crack expanding,is discussed in the paper.

本文着重对数值模拟法中重要抽样法的工程应用进行分析，给出两个工程实例，然后就重要抽样法对这些工程问题的适用性与其他方法进行了对比，说明重要抽样法的优越性；最后对重要抽样法中存在的问题进行讨论，指出进一步的研究方向。

THE STUDY OF IMPORTANCE SAMPLING IN MONTE-CARLO CALCULATION OF BLOCKING DIPS

重要抽样在阻塞分布蒙特卡罗模拟中的应用

IMPORTANCE SAMPLING MONTE-CARLO METHOD BASED ON NEUMANN EXPANSION RESPONSE SURFACE TECHNIQUES

基于Neumann展开响应面技术的重要抽样蒙特卡罗法

Dynamic reliability calculation based on importance sampling method

采用重要抽样法的结构动力可靠度计算

Important Sampling for Structural Reliability Based on Artificial Neural Network

基于神经网络重要抽样法的结构可靠度评估

Truncated Importance Sampling Method based on Optimization of Mixed Genetic Algorithm

一种基于混合遗传算法优化的截断重要抽样法

QUADRATIC COLLISION PROBABILISTIC METHOD AND IMPORTANCE SAMPLING METHOD OF MONTE CARLO CALCULATION FOR FLUX AT A POINT

蒙特卡罗计算点通量的二次碰撞概率方法和重要抽样方法

Application of Importance Sampling Method on Caisson Breakwaters Reliability Analysis;

重要抽样法在沉箱式防波堤可靠性分析中的应用

A Better Adaptive Importance Sampling Algorithm for Estimating Fuzzy Reliability Sensitivity of Structures with Multiple Fuzzy Failure Modes in Series

串联结构模糊可靠性灵敏度分析的自适应重要抽样法

Estimation of Undetected Error Probability of Block Codes Using Importance Sampling

用重要性抽样方法估计分组码的未检概率

double sampling plan by attributes

按品质的双重抽样方案

Don't speak in such abstract terms.

不要这样抽象地谈问题。

1 Important guidelines such as sampling level, acceptance criteria and inspection instructions are clearly defined and documented.

重要指引如抽样水准,接收标准和检查说明清析定义并有文件证明.

ADVANCED LINE SAMPLING WITH ADAPTIVE IMPORTANT DIRECTION FOR STRUCTURAL FAILURE PROBABILITY

结构失效概率计算的重要方向自适应线抽样方法

"Their most important traditional use was for grinding grain, though in certain areas their use in land drainage and water pumping was equally important."

风车最主要的用途是磨粉,在某些地区用于灌溉土地和抽水,其作用也同样重要。

The Method of Mixed two-phase Stratified Sampling in Market Research;

市场调研中的混合双重分层抽样方法

2-Dimensional Kernel Discriminant Analysis Based on Image Sampling and Regrouping

基于图像抽样重组的2维核鉴别分析

The Study on Handling Sampling Weights Associated with the Survey Data When Applying Data Mining Methods--Based on the Method of Re-sampling with PPWWR

数据挖掘方法应用于调查数据的抽样权重问题——基于放回比例抽样的再抽样方法

nothing so fatal as to strive too officiously for an abstract quality like beauty.

没有什么东西重要得以至于让我们专注地去追求诸如‘美’这样抽象的东西。