火范文>英语词典>sample distribution翻译和用法

sample distribution

英 [ˈsɑːmpl ˌdɪstrɪˈbjuːʃn]

美 [ˈsæmpl ˌdɪstrɪˈbjuːʃn]

样品分布;样本分布;采样分布

计算机经济

英英释义

noun

  • items selected at random from a population and used to test hypotheses about the population
      Synonym:samplesampling

    双语例句

    • By balancing the training samples, dynamically resetting initial weights and adaptively evaluating net scales, some shortcomings of the BP algorithm, such as low convergence speed and high dependency on initial sample distribution are overcome, and the algorithm has become more robust and generic.
      通过平衡训练样本数量、动态重置初始权值、评定网络规模等措施,解决了BP算法收敛速度慢、受初始样本分布影响大等缺陷,提高了识别算法的稳健性和泛化能力。
    • The work of estimating the tail dependence coefficient is simple, when the sample distribution is known and the observation data is enough, the banks can use the parametric model to estimate the coefficient. But in real world, these conditions always can not satisfy.
      尾部相关系数的估算较为便利,当样本分布已知且样本数据量充足时,采用参数估计尾部相关系数是非常有效的。但在信用风险管理中,这些条件有时并不具备。
    • About Sample Distribution of X2, T, F Statistic
      关于X~2,T,F统计量的抽样分布
    • On the basis of image segmentation, pixels in bubble segmentation region were calibrated. At the meantime, concept of sample distribution statistics was introduced. Moreover, some statistical characteristics, such as the average size of bubbles, variance, skewness and abruptness were extracted.
      在图像分割的基础上,对气泡分割区域像素进行标定,引入样本统计分布的概念,提取了气泡平均尺寸、方差、偏斜度及陡峭度等统计特征。
    • In this paper, suppose that the sample distribution of AR ( p) sequence is an elliptical distribution, or the white noise of AR ( p) sequence is elliptical white noise.
      本文中,设AR(p)序列的样本分布为椭球分布,AR(p)序列的噪声为椭球白噪声。
    • On the base of the situation in the sample distribution of feather space, it proposes object region extraction algorithm. Thirdly, achieve natural image object discernment system applying the Sparse Coding Theory.
      在样本在特征空间分布情况分析基础上,提出对象区域提取算法。之后应用稀疏编码理论,实现自然图像对象识别系统。
    • We use the information provided by sample projection distribution and sample size to determine the ratio of two classes of penalty factors and then obtain a new separating hyperplane.
      该算法根据样本投影分布和样本容量所提供的信息给出两类惩罚因子比例,从而得到一个新的分离超平面。
    • The first version of this example, located in the webapps/ dwi18n/ multdir/ directory of the sample code distribution, makes use of multiple sets of JSP pages.
      示例的第一个版本位于示例代码发行包的webapps/dwi18n/multdir/目录中,它运用了多组JSP页面。
    • The sample distribution was accorded with Hardy Weinberg principle.
      样本分布符合HardyWeinberg平衡。
    • There were differences of range and percent between sample distribution and those of corresponding normal distribution for bust girth, waist girth, and hip girth.
      胸围、腰围、臀围的分布范围和分布比例与正态分布存在差异。