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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

    • The result shows that, due to the effect of the parameters 'priori distribution, there is essential difference between the sample predictive distribution and its original statistical distribution, the former being the matrix t distribution and the latter matrix normal distribution.
      研究结果表明:由于参数先验分布的作用,样本的预报分布与其原统计分布有着本质性的差异,前者为从矩阵正态分布,而后者为矩阵t分布。
    • 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。
    • Flow fields and the sample particle distribution were calculated under different circumstances.
      计算了不同情况下的流场分布和样本粒子分布。
    • In all, the researches are small sample and distribution of a single region. It is lack of the comprehensive study with large scale and multi-centre.
      总体上各项研究均为小样本、单一地区的散发研究,缺少多中心大样本的综合研究。
    • 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。
    • Balanced and imbalanced data sets classification based on sample projection distribution
      基于样本投影分布的平衡不平衡数据集分类
    • 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。
    • Study on the Sample Plot Distribution and Abnormal Sample Plot Probe in Monitoring Area with Principal Components Analysis
      主分量分析在监测区域样地分布及异常样地探测中的研究
    • 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 Digital Characters of the p norm sample Distribution
      p-范分布母体抽样分布的数字特征