分层抽样,stratified sampling
1)stratified sampling分层抽样
1.Paddy rice area estimation using a stratified sampling method with remote sensing in China;基于分层抽样的中国水稻种植面积遥感调查方法研究
2.Improved stratified sampling technique and performance research;改进型分层抽样技术及性能研究
3.Throughput measurement technique for high-speed network based on stratified sampling;基于分层抽样的高速网络吞吐率测量
英文短句/例句

1.gains from proportionate stratified sampling按比例分层抽样的得益
2.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
3.Modal parameters identification for short data sequences based on stratified sampling and optimism complex Morlet wavelet用分层抽样和复Morlet小波识别短样本模态参数
4.Methods The number of samples was calculated with the optimum allocation stratified random sampling survey.应用最优分配随机分层抽样方法确定调查点。
5.Stratified Random Sampling on the Randomized Response Technique for Multi-class Sensitive Question Survey多分类敏感问题RRT的分层抽样统计方法
6.Application of Stratified Sampling in Fishery Production Statistics;分层抽样法应用于渔业生产统计的研究
7.Parameter Estimation Method of Logistic Regression Model in the Condition of Stratum Sample Survey;分层抽样条件下Logistic回归模型的参数估计方法
8.The Application of Streaming-sampling Technique in the Auditing of Receivables;分层抽样技术在应收账款审计中的应用
9.An Inquiry into Annual Updating of NFI Data under Stratified Sampling分层抽样下的森林资源清查数据年度更新探讨
10.Research on Stratified Sampling Method of Vehicle Equipment Quality in War-Preparedness Phase作战准备车辆装备质量分层抽样方法研究
11.Methods Investigate the medical staffs of sample hospital with survey forms.方法对样本单位采用分层抽样方法进行问卷调查。
12.Proportion allocation in stratified random sampling按比例分层随机抽样
13.timates in stratified random sampling分层随机抽样的比率估计值
14.the population is divided into strata and a random sample is taken from each stratum.总体分成阶层后由各阶层抽选出来的随机样本。
15.Time Stratified Adaptive Packet Sampling Based on Traffic Load基于流量负载自适应的时间分层分组抽样
16.Methods Stratified chester random sampling.方法采用分层整群随机抽样的调查方法。
17.The Theoretic Structure and Computerized Realization of Stratified Audit Sampling;分层审计抽样的理论架构与计算机实现
18.Multiple Impution for Missing Data in Stratified Random Sampling分层随机抽样条件下缺失数据的多重插补方法
相关短句/例句

stratification sampling分层抽样
1.In this model,the equivalent stress was considered as a stratification sampling paramenter.其次根据分层抽样法的基本思想,建立了一种考虑对蠕变损伤失效概率区间分情况抽样的蒙特卡洛分层抽样方法。
2.And the importance sampling arithmetic combining with stratification sampling was proposed, too.在Longstaff和Schwartz(LS,2001)提出的基于多项式函数逼近的美式期权仿真定价基础上,给出美式期权重要性抽样仿真方法----顺推法及其具体算法,同时给出重要性与分层抽样相结合的算法。
3)Stratified sampling method分层抽样法
4)stratified sampling分层抽样品
5)Optimum allocation random stratified sampling survey随机分层抽样
6)portion stratified sampling成数分层抽样
1.Stratified sampling and portion stratified sampling are separately used to define the amount of samples that reflect the average status and status distributing of highway network.以路网所采集数据中的路面状况PCI值为控制指标,引用分层抽样和成数分层抽样方法,确定反映路网平均状态及路网状态分布所需调查的样本大小。
延伸阅读

分层抽样分子式:CAS号:性质:又称分类抽样或类型抽样。将总体划分为若干个同质层,再在各层内随机抽样或机械抽样,分层抽样的特点是将科学分组法与抽样法结合在一起,分组减小了各抽样层变异性的影响,抽样保证了所抽取的样本具有足够的代表性。分层抽样根据在同质层内抽样方式不同,又可分为一般分层抽样和分层比例抽样,一般分层抽样是根据样品变异性大小来确定各层的样本容量,变异性大的层多抽样,变异性小的层少抽样,在事先并不知道样品变异性大小的情况下,通常多采用分层比例抽样。