查询词典 sampling

In order to determine the convergence of the line sampling -based reliability sensitivity method,the variance and the variation coefficient were derived for the reliability sensitivity estimation based on the line sampling .

为判别线抽样可靠性灵敏度分析的收敛性，推导了线抽样可靠性灵敏度估计量的方差和变异系数的计算公式，近似计算了线抽样可靠性灵敏度在给定置信度下的置信区间。

Total inorganic phosphates and orthophosphate were determined with satisfactory sensitivity for real sample analysis, and with sampling rates of 40 and 80 per hour, respectively. The obtained sampling rates were much higher than the existing automatic methods (20 per hour).

总无机磷酸盐和正磷酸盐进样频率分别为40和80样次/小时，远远高于现有的自动分析方法（20样次/小时），方法的灵敏度能够满足实际样品分析的要求。

Theoretically shown, the fractionally spaced equalization has a sampling rate higher than the Nyquist rate so as to be insensitive to sampling phase, overleap a matched filter, which is superior to the symbol rate equalization.

从理论上指出小数抽头均衡器所用采样速率不低于Nyquist速率，因而具有对定时时刻不敏感、省缺匹配滤波器等优点，与整数抽头均衡器相比具有优越的性能。

Methods Convenience sampling and snowball sampling techniques were applied to recruit MSM participants in comnmnity, and every subject was investigated by pelion in-depth interview.

方法在社区通过"滚雪球"抽样和方便样本招募男男性接触者，对其进行个人深入访谈。

Based on the characteristics of the parallel sampling monitor combined with SYC-- III peto tube, a calculating program for parallel sampling of stack dusts has been compiled, which is to some extent versatile .

结合SYC--Ⅲ型皮托管平行采样测试仪的特点，编制了具有一定通用性的烟尘平行采样计算程序。

Phase theory analysis of spatial integral sampling provide theoretical basis for under sampling aliasing reduction.

空间积分抽样相位理论分析为消减欠采样产生的折叠混淆效应提供了理论依据。

The data were collected from the public communities in random sampling and college students in subjective sampling. The survey were conducted in three stages, including pre-survey, pilot survey and main survey; response rate was 71%; and 956 valid copies of questionnaire were collected.

以社会公众和在校大学生作为研究对象，分别采用方便抽样和主观抽样，进行了三阶段的问卷调查，包括预试、初试和主试，问卷回收率71%，共收集有效问卷956份。

The probability of feasibility of the sampling method is analyzed and the required sampling size to obtain this probability is also derived.

本文同时分析了该样本方法求得的解的可行性概率，并估计了为达到这一可行性概率所需的样本的下界。

Among probability sampling methods, what kinds of research conditions are more appropriate for each sampling method

什麼样的情况下，适合用机率抽样方法简单随机抽样有4种方法：1。简单随机抽样2。分层随机抽样3。系统抽样等距抽样

Students will learn Descriptive Statistics, Probability and Random Variables, Probability Distributions, Sampling and Sampling Distributions in Statistics.

同学们将在统计学中学习叙述统计量的意义与计算、机率与随机变数、机率分配、抽样与抽样分配等基础统计方法。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。