导出了它的一般结构。推证了它在虚警概率、检测概率和平均抽样个数等方面的坚韧性,并讨论了它的渐近性能。
Its robustness including false alarm probability, detection probability and average sample number is demonstrated and its asymptotic performance is discussed.
调查表明,布莱顿居民的平均寿命为78岁,比15个抽样城市的居民平均寿命长一年。
It said Brighton residents lived to an average of 78 years, a year more than the average of the 15 sampled cities.
研究小组采取面对面访谈的方式,对全国1万余名年龄在13至18岁之间(平均年龄15岁)有代表性的青少年进行了抽样调查。
The design consisted of face-to-face interviews of a nationally representative sample of more than 10,000 adolescents aged 13 to 18, with an average age of 15.
初看上去,人们的社交网络似乎很大,抽样的30万Twitter用户中,平均每人有80个好友(在Facebook里每人有120个好友),个别甚至有上千个好友。
At first glance, the networks seemed enormous—the 300,000 Twitterers sampled had 80 friends each, on average (those on Facebook had 120), but some listed up to 1,000.
贝叶斯模型平均法用来综合各模型的结果并提供一种反映模型选择和抽样变异性的不确定性度量。
Bayesian model averaging was used to combine the results across models and to provide a measure of uncertainty that reflects the choice of model and the sampling variability.
布莱顿的人均瑜伽馆数量为其它抽样城市的2倍,城市居民的肥胖比例则低于全国平均水平。
It had twice as many yoga clubs per head than the other cities sampled, while the level of obese inhabitants is below the national average.
电访者在2002年和2003年抽样了全国8个主要城市的322个诊所,每个平均都打了三次电话。
The callers sampled 322 clinics in eight major cities around the country in 2002 and 2003, calling each an average of three times.
在相同误差水平,理论抽样数随平均虫口密度的增加而减少。
Under some level of error, the theoretical sampling number should decrease as the average density of the mite increases.
试验结果表明,典型众数抽样较同时同地进行的随机抽样平均亩产量更接近空白试验所测得的每亩平均产量。
Tests showed that the average yield per mu obtained by typical mode sampling was more close to the average yield per mu actually measured in blank test than that obtained by random sampling.
要进行一次系统随机抽样,必需知道人群中的家庭总数,平均每户家庭5岁以下儿童的个数,以及总人口。
To undertake a systematic random sampling, one needs to know the total number of households, the average number of children under 5 years of age in a household, and the total population.
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.
作者介绍了利用抽样检验标定一批电阻丝片的灵敏系数的平均值及其误差范围的几种统计方法。
Several sampling methods leading to the estimation of mean value and the setting of tolerance interval of the sensitivity coefficients of a lot of strain gages are introduced.
使用计算机语言进行图像缩小一般有抽样缩小和平均缩小,其方法是将源图像分割成多个子域。
There are two kinds of methods to contract image by means of computer language, that is, the method to contract image by sampling and the method to contract image by averaging.
分析和实际模拟表明,在以正态分布进行抽样的前提下,合理选取抽样样本平均值和标准差,可使抽样效率进一步提高。
Theorical analysis and practical simulation indicate that if the samples are of normal distribution, the modelling efficiency can be increased further by using sensible parameters.
基于平均方向和合向量长度的抽样分布,研究反映角度过程集中程度的合向量长度控制图和反映角度过程集中位置的平均方向控制图。
Sampling distributions of mean direction and resultant length were used to develop control charts respectively reflecting the central tendencies and positions of the Angle process.
这些究研者评估了在随机抽样一个月后的血脂和血压水平,与平均随访4.9年后临床结果之间的相关性。
The researchers assessed associations between lipid and blood pressure levels at 1 month after randomization and clinical outcomes after a mean follow-up of 4.9 years.
针对现有的合成孔径雷达(SAR)成像方法,介绍了隐抽样平均算法的基本原理及时延确定的方法。
The basic principle of Implicit Sampling Averaging algorithm and method of time-delay determination is introduced aim at the present synthetic aperture radar (SAR) imaging methods.
方法采取整群抽样方法,抽取某省级医院1994年至2 0 0 0年伤害病人病案,进行平均住院日、平均住院费用趋势性分析。
Methods Cluster sampling was taken, and average hospitalization days and average medical cost of injury patients from 1994 to 2000 were conducted by trend analysis.
抽样调查结果表明,荆门市国库常规储存稻谷在1~6年的不同储存期平均自然损耗为0.22%,薄膜密闭储粮的损耗率为0.13%;
The investigation of grain stored for 1~6 years showed that average natural loss es were 0.22%for the paddy of conventional storage, 0.13%for seal storage;
规则判断条件采用的是抽样平均可信度。同时,探讨了时间对关联规则挖掘产生的影响以及在导读系统中的应用。
Meanwhile this paper discusses the influence of time on associations rule mining and the application in guide reading system.
针对有限样本条件下,大型复杂系统平均寿命评定的蒙特卡罗法,提出利用MATLAB进行抽样模拟,大大提高了计算效率,对工程中大型复杂系统平均寿命评定具有重要应用价值。
According to Monte Carlo sampling simulation method of MTTF, MATLAB is to be used in sampling simulation, which greatly increases the computing efficiency. It is very important for engineering ap...
抽样分布样本效果大小的平均值可以作为总体效果大小的估计值 ,它与样本容量和抽样样本数目有密切关系 ;
The simulated experimental results showed that significance t testing is highly related to population distribution effect size and sample capacities, yet rarely related to the numbers of rand…
通过对比分析,说明不同的任务优先规则对随机抽样算法具有不同的影响,其中采用MINSLK等优先规则的随机抽样算法能够有效地缩短项目平均工期。
Different priority rules are adopted in the random sampling procedure, and a statistical test shows that they affect the performance of the proposed random sampling method.
通过对比分析,说明不同的任务优先规则对随机抽样算法具有不同的影响,其中采用MINSLK等优先规则的随机抽样算法能够有效地缩短项目平均工期。
Different priority rules are adopted in the random sampling procedure, and a statistical test shows that they affect the performance of the proposed random sampling method.
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