通过使用重要抽样技术,提高了混合分析法的计算效率和计算精度。
The efficiency and accuracy of the mixed method are improved by the use of the important sampling updating technique.
无回答问题是抽样调查中的难点之一,它的出现直接影响着估计的精度。
As one of the difficult items in sampling survey, nonresponse directly affects the precision of the survey.
本文采用大子样、小子样抽样理论的数理统计方法,评定电阻应变计灵敏系数的精度等级。
The rank of accuracy of electric resistance strain gage factor is evaluated according to the sampling theory of large samples or small samples.
讨论了等距抽样中,如何利用辅助信息改进总体平均值的估计,以达到提高估计精度之目的。
This paper deals with the estimation of population mean in systematic sampling by use of auxiliary information in order to improve the accuracy of the estimate.
本文利用抽样理论分析了调幅调频脉冲响应抽样的方法及其精度。
This paper analyses sampling method and sampling precision of complex impulse response by sampling theory.
校正估计法已被大量运用于抽样调查中,它利用辅助信息构造的校正权重提高了对总体总值(或均值)的估计精度。
Calibration estimation which USES known auxiliary information at the estimation stage to improve the precision of the estimators of totals and means has been widely used in survey sampling.
本文讨论了如何合理地选择辅助指标进行比估计以提高抽样调查的精度,并给出了判断指标优劣的条件。
This paper discusses how to choose proper auxiliary index to improve the precision or sample inspection and also gives the conditions to judge the index between good and bad.
通过只在窄带内密集抽样的方法,和传统方法比较,线性调频Z变换算法可以减少由于不足点采样而造成的频谱泄漏,改善计算精度并减少运算时间。
Compared with the traditional method, Chirp-Z algorithm eliminates the leakage error caused by not-enough-point sampling, improves the precision of calculation and decreases the computing time.
基于抽样检验在测量数据精度分析中的思想,提出基于抽样的缺陷率方法对GIS属性数据的精度进行度量。
In this paper, the method of rate of disfigurement is proposed to measure accuracy of attribute data in GIS.
为了减少随机抽样的次数并保证蒙特卡罗法的数值模拟精度,对比引入了重要抽样法和拉丁超立方体抽样方法;
To reduce sampling number and assure simulation precision, Importance Sampling method and Latin Hypercube Sampling method are coupled with Neumann expansion SFEM respectively.
实验结果表明,相对于传统抽样方法,该方法有效提高了抽样测量的精度。
Results of experiments indicate that compare with traditional sampling methods, the new sampling method advances the precision of the sa…
本文介绍了利用接触式三坐标测量机对涡轮叶片测量的步骤和测量结果的处理方法,最后给出了现场抽样测量的精度控制方法。
The measuring steps and result processing methods of measuring turbine blade by using the contact-type coordinate measuring machine(CMM) are introduced.
在空间格局研究的基础上提出了理论抽样数,并通过不同抽样方式的精度比较,得出平行线抽样方式最佳。
The theory sampling number was presented on the base of the spatial pattern. Several sampling methods were compared and the results showed that the parallel sampling method is the best.
利用两阶段抽样 ,构造了定数截尾数据下指数分布参数的一个置信下限 ,它同时满足预先指定的可靠度和精度。
A method is presented to calculate approximate value of confidence lower limits making use of reliability test data of torpedo components.
利用两阶段抽样 ,构造了定数截尾数据下指数分布参数的一个置信下限 ,它同时满足预先指定的可靠度和精度。
A method is presented to calculate approximate value of confidence lower limits making use of reliability test data of torpedo components.
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