抽样方法

文章在完全测试不可能的情况下，提供了一种特殊的抽样方法&正交阵列测试方法OATS，从统计学角度指导实验以测试组件所有可能配置的子集，从而实现最少测试获得最高覆盖率。

The paper offers a special sample method & OATS which may use a little testing and acquire the highest cover-rate .

气体放电中电子碰撞散射角的抽样方法

Sample method for scatter angle of electron collision in gas discharge

N（0,1）随机变量的一个快速抽样方法

Fast density & resolving sample method for n ( 0,1 ) random variate

LED显示屏检测的抽样方法探讨

Research on Sampling method of Testing LED Display

MonteCarlo方法在碘盐监测抽样方法中的应用

Application of Monte Carlo sampling method in iodized salt monitoring

利用线性抽样方法重建Dirichlet边界条件声波散射区域

Linear Sampling Method for Reconstructing the Acoustic Scattering Region with Dirichlet Boundary

多元有限总体的PPS抽样方法

A PPS Sampling Method of Multivariate Finite Population

结果运用KishGrid抽样方法所获得的样本，在性别和年龄分布等人口统计学指标上，与总体有较好的一致性。

Results The demographic character of age and sex of Kish Grid sample approximated to the population .

用于难以接近人群的一种新的抽样方法：同伴推动抽样法（RDS）

A new approach of sampling hard-to-reach population , respondent-driven sampling ( RDS )

方法采用双阶段整群抽样方法抽取场所和样本，使用调查问卷面对面调查，采血检测HIV抗体和梅毒抗体。

Methods Different high risk sites and the samples were selected by two-stage cluster sampling . All the samples were screened by HIV antibody test and RPR .

方法对北京市20所中学学生进行预防AIDS健康教育和生活技能培训，在培训前、后采用整群抽样方法获取样本进行评估。

Methods AIDS prevention and life skill training were developed among students in 20 middle schools . Evaluations were carried out before and after the education by cluster samplings .

方法：按国际牙齿美学指数（DAI）调查项目及标准，采用随机抽样方法，对330名12～18岁学生进行测量计算。

Methods : Three hundred and thirty students were investigated according to the standards of the Dental Aesthetic Index ( DAI ) survey .

研究了基于新的混合抽样方法的贝叶斯DOA估计方法，提高了估计的收敛速度、分辨力和精度。

The Bayesian DOA estimation approach based on the new mixed sampling method was studied , which can improve the convergence rate , resolution and precision .

为了解山东省糖尿病（DM）患病情况，以分层整群随机抽样方法对20228人进行了调查。

To understand the prevalence and the epidemic characteristics of diabetes mellitus ( DM ) in Shandong Province , 20228 subjects were selected by stratified random cluster sampling and studied .

方法采用KishGrid抽样方法，将抽样家庭按家庭成人数进行分层，在层内进行等概率抽样。

Methods Households were stratified by the number of adults in the household and Kish Grid sampling method was used to perform equal probability sampling within each stratum .

鉴于此，在蒙特卡罗重要抽样方法的基础上，提出了利用RBF神经网络替代原结构功能函数的RBF-蒙特卡罗方法，以提高工作效率。

In order to improve computational efficiency , this paper introduces RBF Neural Network to substitute structural performance function evaluations in Importance Sampling Monte-Carlo simulations and proposes RBF-Monte-Carlo approach for reducing structural analyses .

方法：对学校学生分布调查分析，用多阶段、先整群后简单随机抽样方法从12座民工子弟小学各年级段中随机抽取240名学生，进行IgG抗体测定和调查。

Methods One sample of 240 students was recruited using a multistage cluster sampling design from 12 elementary school of migrant laborers ' children . Measles antibody IgG testing and questionnaire interview were finished .

模拟中采用周期边界条件、Metropolis抽样方法，并用Ewald方法对水分子间电荷作用进行长程校正。

The periodic boundary conditions and Metropolis sampling method were used and the long range correction of Ewald between water molecules was considered .

提出了算例问题的最佳源方向偏倚参数p1和指数变换参数p2，得到的耦合抽样方法更能有效降低计算结果的方差。

In sample problem studying , the optimal source direction biasing parameter p 1 、 exponential transform parameter p 2 are supposed and the variance of duct calculating results by using this method is shown to reduce efficiently .

方法采用分层抽样方法，分别抽取新乡市3所大学临床医学、动物医学及体育专业的607名大学生为研究对象，用症状自评量表（SCL-90）分别评定其心理健康水平。

METHODS : Totally 607 students , majoring in clinical medicine , veterinary medicine and physical education from 3 universities in Xinxiang city , were selected by the method of stratified sampling , and their mental health levels were assessed by using symptom checklist 90 ( SCL 90 ) .

用随机抽样方法复查1，OOO块胃粘膜，误差率为4.7%，平均误差为0.325级，最大误差0.631级，大大减少了诊断误差。

1,000 gastric mucosal specimens were reexamined by random sampling , the error rate was 4.7 % , with mean error 0.325 and maximum error 0.631 . The diagnostic error was greatly reduced by this method .

应用该方法对IEEE-RTS标准系统的发电部分进行了可靠性评估，并与采用常规抽样方法和常规重要抽样方法的评估结果作了比较。

The proposed method is applied to reliability evaluation of power generation section in IEEE-RTS test system and the evaluation results by the proposed method are compared with those by both conventional sampling method and conventional importance sampling method .

方法：于2004-07/2004-08采取随机整群抽样方法选取广州市一所军队大学、两所地方大学的在校大中专学生820人应用自测健康评定量表（SRHMSV1.0）进行现场调查。

METHODS : By random cluster sampling , 820 on-campus students from one military university and two non-military colleges in Guangzhou city were selected as the subjects to assess their self-rated health status with the Self-Rated Health Measurement Scale ( SRHMS V1.0 ) .

本章首先给出了两种计算点格局聚集指数的方法，K-function以及邻体距离抽样方法。

The first concern in this chapter is to compute aggregation parameter which reflects the aggregation level of the spatial point pattern . Two new methods , K-function and distance sampling , are proposed .

本文中的抽样方法主要是采用非随机抽样的方法。

The sampling method in this article is mainly non-probabilistic sampling .

方法采用随机抽样方法对辖区内医疗机构进行流行病学调查。

Methods Hospitals were selected and studied with random sampling method .

通过几种田间抽样方法的比较确定最佳方法为棋盘式抽样法。

The sampling method s chess manual was most suitable .

相关抽样方法在中子、光子输运中的应用

Application of the correlated sampling method in transportation of neutron and photon

非线性结构体系可靠度的重要抽样方法

Importance sampling method for structural systems with nonlinear failure surfaces

在本文中，尝试使用重要抽样方法。

This paper trys to use the importance sampling method .