1)sampling efficiency抽样效率
1.Connected with an extensive analysis,it can be concluded that when the regression line gets across the origin,the rate estimator of two sampling methods is equal to the sampling efficiency of regression estimator,when,the sampling efficiency ofis more efficient than the equiprobability sampling,and when and meanwhile,the rate estimator of equiprobability sampling is m.结合多方面分析可以得出结论:回归直线通过原点时,两种抽样方法的比率估计量与回归估计量抽样效率相等;当r>0。
英文短句/例句
1.Analysis of influence factors about space sampling efficiency of winter wheat planting area冬小麦种植面积空间抽样效率影响因子分析
2.ratio and difference estimation sampling比率差异推算抽样法
3.alternative to probability sampling概率抽样的备择方案
4.probability proportional to size sampling概率比例规模抽样法
5.A New Stratification Sampling Method for Creep Damage Failure Probability一种用于蠕变损伤失效概率计算的分层抽样方法
6.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
7.Analysis on measures of improving system efficiency of the pump well.提高抽油井系统效率的措施效果分析
8.Operating Efficiency Analysis of Rod Pumping Equipment and Approaches to Improve Efficiency有杆抽油设备运行效率分析及提高效率的途径
9.timates in stratified random sampling分层随机抽样的比率估计值
10.Research on the Improvement in Sample Inspecting Method for the Percentage of Hybrid of Silkworm Eggs,Bombyx mori桑蚕种杂交率抽样检验方案改进研究
11.General Failure Probability Assessment for Multi-Mode System with Fuzzy-Random Variables by Improved Line Sampling含模糊随机变量的多模式系统广义失效概率计算的内插迭代线抽样方法
12.Sampling procedures and tables for inspection of small lots or batches by attributes for percent nonconformingGB/T13264-1991不合格品率的小批计数抽样检查程序及抽样表
13.Inaccuracies in survey data attributable to“ the luck of the draw" in creating a probability sample.在产生概率抽样时由于抽样不足而造成的数据偏差.
14.Single sampling procedures and tables for inspection having desired operating characteristics by attributes for percent nonconformingGB/T13262-1991不合格品率的计数标准型一次抽样检查程序及抽样表
15.Research on Multi-Resolution Spectrum Algorithm Based on Multi-Rate System基于多抽样率系统的频谱多分辨率算法研究
16.An interval estimation of population frequency by unduplication sampling of a few samples;小样本不重复抽样时总体频率的一个区间估计
17.Efficiency Analysis and Enhancement Countermeasures of the Beam Pumping System游梁式抽油系统效率分析及提高对策
18.Change of Filtration Efficiency of Filter During Cigarette Smoking卷烟抽吸过程中滤嘴过滤效率的变化
相关短句/例句
efficiency of sampling frames抽样框效率
3)sampling effect抽样效应
1.With eight species of unicellular algae cultured in random combinations to construct the assemblages with different degrees of richness,the increase pattern of colony biomass with the change of species richness was investigated,and the sampling effect was detected by using multiple variance analysis(MANOVA) method.通过8种甲藻构建不同物种丰富度梯度的集群进行室内一次性培养实验,探讨了集群生物量随物种丰富度的增长模式,运用多因素方差分析检验集群内是否存在抽样效应。
2.The interpretation of these experiments, however, has been controver-sial because two types of mechanisms," niche complementarity" and" sampling effect", may operate.然而对这些实验结果的解释却产生了激烈的争论，因为有两种机制——“生态位互补”和“抽样效应”都可能会产生这种结果。
4)sampling validity抽样效度
5)sampling rate抽样率
1.The stipulation of sampling rate for soil improvement in the current standards is disscussed.就现行规范对人工地基质量检测抽样率的规定提出看法，对人工地基整体施工质量的判定标准给出建议。
2.The numerical simulation,with the failure probability of bearing capacity at normal cross-section of a steel-reinforced concrete beam as an example,shows that the initial inspection with 100 per cent sampling rate is very effective to control human errors.以一个钢筋砼单筋梁受弯构件正截面承载力失效概率为例,通过数值模拟发现:检查抽样率为100%的首次检查对控制人因差错非常有效,提高取样率可以有效减少和降低人因差错的发生及其影响程度,但随检查次数增加检查效率直线下降。
3.The formulas to determine the total and stratified sampling rates were given.然后,基于分层抽样,提出了一类新的居民出行调查方法,并对其中的抽样方法作了细致的研究,提出了总体及分层抽样率的确定公式。
6)sampling frequency抽样频率
1.In an effort to reduce the difficulty of designing filters,the relations among the anti-aliasing filter′s roll-off rate,rank,sampling frequency and the recognition of analog-to-digital converter are discussed and analysed in detail,then a reasonable method to choose and design these three ones are presented including anti-aliasing filter,sampling frequency and A/D converter.为有效降低滤波器设计的难度,在详细分析并讨论了抗混叠滤波器的陡度、阶数与信号抽样频率以及A/D转换器的分辨率之间的内在关系后,提出了抗混叠滤波器、抽样频率和A/D转换器三者之间合理权衡设计的方法。
延伸阅读
验收抽样检验和监督抽样检验标准验收抽样检验和监督抽样检验标准standards for acceptance sampling and audit sampling inspection 扣nshou ehoUVa叩Jianyan he iiandu eh以JYang iianyanbi0Ozhun验收抽样检验和监督抽样检验标准(stands记sfor accepteLnce sampling and audit saznpling Ins侧沈-tion)有关抽样检验的中华人民共和国国家标准至1卯8年已达20个。其中验收抽样检验标准有巧个，它们是:①《逐批检查计数抽样程序及抽样表》(GBIT2828一1987)，②《周期检查计数抽样程序及抽样表》(G田T282乡一1987)，③《不合格品率的计量抽样检查程序及抽样表》(GBIT6378一1986)，④《计数序贯抽样检查程序及表》(GBZT8()5l一1987)，⑤《单水平和多水平计数连续抽样检查程序及表》(CBIT 5052一1987)，⑥《不合格率的计量标准型一次抽样检查程序及表》(GBIT 8()53一1987)，⑦《平均值的计量标准型一次抽样检验程序及抽样表》(GBIT 8()54一1卯5)，⑧《不合格品率的计数标准型一次抽样检查程序及抽样表》(GB/T13262一1991)，⑨《跳批计数抽样检查程序》(GWT13263一1卯1)，⑩《不合格品率的小批计数抽样检查程序及抽样表》(GB/T 13么抖一I卯I)，⑧《抽样检查导则》(G田T13393一1卯2)，⑩《挑选型计数抽样检查程序及抽样表》(GBIT13夕场一l卯2)，O《粒度均匀散料抽样检验通则》(G脚T 13732一l卯2)，。(孤立批计数抽样检验程序及抽样表》(GBIT 1523乡一l更抖)，0《计量截尾序贯抽样检验程序及抽样表》(GBIT l63()7一l型拓)。 监督抽样检验标准有5个，它们是:①《产品质量监督计数抽样程序及抽样表》(GBIT 14162一1卯3)，②《产品质量平均值的计量一次监督抽样检验程序及抽样表》(GB/T 14灾盯一l臾抖)，③《产品质量监督小总体计数一次抽样检验程序及抽样表)(CBITI，侣2一1卯5)，④《产品质量监督复查程序及抽样方案》(GBIT163C盼一1性尧刹玉)，⑤《产品质量监督计数一次抽样检验程序及抽样方案》(eBzTI科37一l期)。 在上述的抽样检验标准中，较有代表性的抽样检验标准是GBIT2828、GB/T132以、GBIT6378、GBlT8()54，月41，、侧，J
