查询词典 correlation function

According to the changes in infrastructure investment and GDP statistics during the period of 1996-2008 in China, the results of calculating the correlation coefficient and regression analysis showed that the correlation between the total GDP and total investment in infrastructure was strong.

根据我国1996－2008年间的基础设施投资与GDP变动统计数据，计算出的相关系数和回归分析结果，表明GDP总量与基础设施投资总额之间的相关性较强。

Introduced a different strategy for estimating the working correlation so that the estimator always existed, and, even if the correlation was misspecified, the regression estimator remained optimal within the assumed family.

这一思想的好处是不用直接估计工作相关阵中的多余参数，而是利用广义矩估计的思想建立估计方程。

The samples for linear regression, the broken line analysis and plot analysis, the thesis found that the listed company news that foreign direct investment is the lack of access to a very earnings in the stock market reaction to the impact of factors, single company the non-recurrent yield and investment opportunities between the companies is a positive correlation between the operators while the Cause exists a negative correlation between.

通过对样本进行线性回归、折线图分析和散点图分析，本文发现上市公司的对外直接投资消息宣布无法获得一个正的非常性收益，在对股票市场反应产生影响的因素中，单家公司的非经常性收益率与公司投资机会间存在正相关关系，与经营者动因间则存在负相关关系。

It is interpreted that the correlation structure of the allelic polymorphism data contains null correlations introduced by "closure" and the statistical distribution of the data is not normal because of its constant row sum,which resulted in great difficulties in analyzing the data with traditional multiple linear statistical methods such as principal component analysis,factor analysis,cluster analysis and canonical correlation analysis.

长期以来，对于多维基因多态性数据的多元统计分析，如计算遗传距离时所用的聚类分析、分析群体遗传结构时所用的主成分分析、因子分析和典型相关分析等，一直应用为无约束条件数据而设计的经典多元线性分析方法，并没有注意基因多态性数据的"闭合效应"所带来的问题。

The range sidelobe of gaussian power spectrum random noise presents the ruleless shape envelope and decreases significantly with the correlation length increase, so it can be suppressed by increasing the length of the correlation data if the instruments are available.

通过分析硬件平台产生的两种随机噪声信号(改进型Logistic-Map的混沌随机噪声信号和基于Ziggurat算法的高斯分布随机噪声信号)的统计特性，证实了产生的这两种随机噪声信号可以符合应用要求。

There were positive correlation, significant or extremely significant positive correlation among concentrations of SS, saccharose, Pro, Na＋ and Cl－.

可溶性总糖、蔗糖、Pro、Na＋和Cl－含量，相互之间呈正相关、显著和极显著的正相关。

In the empirical study, we find that conventional tests over reject the null when the event forecasts and event realization of all countries have high serial correlation, which means the event forecasts have the timing ability. According to the evidence of sample correlation coefficient, however, it seems that the event forecasts have no timing ability by using these the HAC robust tests.

尔后，利用实际的资料，考虑六个国家股票市场每月之报酬率发现，所有国家在事件预测值与事件实现值存在高度的序列相关下，传统检定方法出现了过度拒绝虚无假设的结果，认为事件预测值具有预测能力；而考虑序列相关问题的检定方法则认为事件预测值不具有预测能力。

There was a significantly negative correlation between the content of polyphenol and the activity of PPO, the correlation coeffieicient of wraped pear was higher than that of non-wraped pear, that of sarcocarp was greater than that of core.

经统计分析，果实酚类物质含量与PPO活性负相关性达到极显著性水平（p＜0.01），其相关程度是套袋梨大于不套袋梨，果肉大于果心。

Scatter diagram of the morphological differential value and molecular differential value shows plants molecular differential value≥2 are heterotipe. The correlation coefficient of the morpha uniformity ratio and molecule uniformity ratio is 0.98, extreme correlation. So the heterotipe criterion of the molecular differential value≥2 is made.

通过对14个品种278个株的形态差异值和分子差异值的散点图分析，得出形态差异值≥2为异型株；由形态一致性比率和分子一致性比率的相关性系数为0.98，相关极显著，确定分子差异值≥2作为判定异型株的标准。

In phase one, the suspended liquid from semicontinuous slurry microcosms was used as an inoculum in CSTR. In phase two, the effluent of column experiment was used as an inoculum in CSTR. The purpose of two phases is to find out the correlation between environment factors and toluene-utilizing bacteria community for each phase, and to compare with the correlation between phase one and phase two.

混合连续流实验依菌种来源不同分为两阶段进行，第一阶段利用半连续培养泥浆法血清瓶中的悬浮菌液作为菌种来源；第二阶段则是利用管柱试验之出流液作为菌种来源，比较及观察两阶段反应器内的环境因子与甲苯分解菌社会结构的关联性。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了