sample distribution
英 [ˈsɑːmpl ˌdɪstrɪˈbjuːʃn]
美 [ˈsæmpl ˌdɪstrɪˈbjuːʃn]
样品分布;样本分布;采样分布
英英释义
noun
- items selected at random from a population and used to test hypotheses about the population
双语例句
- 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。 - 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。 - Compared experiments with the SPF algorithm showed that the sampling location of the algorithm is relatively fixed, the sample distribution is uniform and it can be achieved the requirement the particle diversity. 3.
通过与SPF算法进行对比实验发现,该算法的采样位置相对固定,样本分布均匀,可以实现粒子多样性的要求。 - The Digital Characters of the p norm sample Distribution
p-范分布母体抽样分布的数字特征 - 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。 - 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。 - The Applying of Heteroscedastic Sample Sampling Distribution to the Test of the Guangxi White Pig Breeding
异方差样本的抽样分布在广西白猪育种试验中的应用 - 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。 - This algorithm is applied on the computer cluster of the multi-node environment, using FCM to implement a algorithm to adjust the sample distribution, so that multiple classifiers can be trained simultaneously on multiple nodes.
该算法应用在多节点环境的计算机集群上,用FCM算法实现一种样本权重修正算法,使得多节点能够同时训练多个分类器。 - The over-convergence and uniformity validations are introduced to verify correspondence between sample distribution and sensor information for timely resampling which highly saves computational resource and enhances localization efficiency.
同时在重采样过程中引入了过收敛检验与均匀性检验用于判断采样与感知信息的匹配程度,以适时进行重采样,节省了计算资源并提高了定位效率。