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variance sum
相关语句
  方差和
     Minimum Variance Sum of Combining Ridge and Principal Components Estimate
     岭型主成分估计的最小方差和(英文)
短句来源
     MINIMUM VARIANCE SUM OF COMBINING RIDGEAND PRINCIPAL COMPONENTS ESTIMATE
     岭型主成分估计的最小方差和
短句来源
     It is first time that the variance sum of gray scale values of pixels was used to characterize the inhomogeneous degree of concentration fields and that the attenuation rate was used to characterize the injection dispersion performance of flow field.
     文中首次提出用流场图象的象素点灰度值的方差和来表征浓度场的非均匀度,用该方差和随时间衰减的变化规律来表征流场的注入分散特性。
短句来源
     An analytical calculation for a load sensing valve, whose characteristic features a radial line, is carried out by the aid of numerical optimization. As a result, the variance sum between the actual and ideal brake load distribution lines is minimized (β line stand for the former, I line the later), and the requirements of adhesive coefficient, braking power and braking severity stipulated in EEC/ECE braking regulations is met.
     用数值优化的方法,对具有射线式特性的感载阀进行了分析计算,使实际制动力分配线(β线)与理想制动力分配线(I线)的方差和为最小,并满足了欧共体EEC/ECE制动法规对附着系数、制动压力与制动强度的要求。
短句来源
     It is proved that the combining ridge and principal components regression have the minimum variance sum in the class of reduced-dimension estimators.
     证明了在一类岭型降维估计中,岭型主成分估计的方差和最小。
短句来源
  “variance sum”译为未确定词的双语例句
     Based on data of SAR images which have been pretreated, we apply the Gray-Level Co-Occurrence Matrix method, and particularly study some texture features used for the classification of SAR images, including Difference Variance Difference Averages Difference Entropy Contrasts Energy s Variance Sum Variances Inverse Difference Moment and Correlation etc. Furthermore we have abstracted features of SAR images.
     文中基于已经过图像预处理的SAR图像数据,应用灰度共生矩阵法,研究了常用于SAR图像分类的几种纹理特征量,包括差方差、差平均、差熵、对比度、能量、方差、和方差、逆差矩、相关等,进行了特征提取。
短句来源
     It is proved that combining ridge and principal components estimate have the minmum variance sum in the class and the result of paper [1] is a special case of this artcle.
     文[1]的结果是本文的特例。
短句来源
  相似匹配句对
     The Calculating Method of Square Sum with Counter in Variance Analysis
     方差分析中平方和的计算器算法
短句来源
     Stability variance.
     ②稳定性方差。
短句来源
     To the Sum of Series
     级数求和
短句来源
     On Zero Sum
     说“零和”
短句来源
     Minimum Variance Sum of Combining Ridge and Principal Components Estimate
     岭型主成分估计的最小方差和(英文)
短句来源
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In this paper, from the view of estimated precision, to measure the influends of data on the least squares estimate, we propose a diagnostic——ratio of variance sum (RVS) and modified ratio of variance sum (MRVS), used to diagosate the influence on LS estimate when one or more than one group of data are deleted. Morever, we set up the connection between RVS and sample pricipal components, and cook's distance. Meanwhile, for the general case, we obtain the influence super bound and lower bound.

本文从估计精度出发,提出新的诊断量“方差和”比和修正“方差和”比,并用它研究了一组及多组数据对LS估计精度的影响,建立了它与样本主成分,Cook距离间的关系,且对一般情形给出了影响的上、下界。

An analytical calculation for a load sensing valve, whose characteristic features a radial line, is carried out by the aid of numerical optimization. As a result, the variance sum between the actual and ideal brake load distribution lines is minimized (β line stand for the former, I line the later), and the requirements of adhesive coefficient, braking power and braking severity stipulated in EEC/ECE braking regulations is met.

用数值优化的方法,对具有射线式特性的感载阀进行了分析计算,使实际制动力分配线(β线)与理想制动力分配线(I线)的方差和为最小,并满足了欧共体EEC/ECE制动法规对附着系数、制动压力与制动强度的要求。

This paper deals with the variance property of combining ridge and principal components estimate in the class of reduced-dimension estimates. It is proved that combining ridge and principal components estimate have the minmum variance sum in the class and the result of paper [1] is a special case of this artcle.

讨论岭型主成分估计在一类降维估计中的方差性质,证明了它的方差和在这类降维估计中最小。文[1]的结果是本文的特例。

 
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