本文提出了发电设备可靠性的增长模型,介绍了该模型的参数估计和拟合检验方法。
A reliability boost model for power plant equipment is presented, together with a description of a method for estimating the parameters and testing the modal fitting quality.
文中提出了大型火电站高压加热器可靠性增长模型,详细讨论了该模型的参数估计和拟合检验。
A reliability enhancement model is proposed for high-pressure heaters at a large-sized thermal power plant along with a detailed discussion of the model parameter estimation and fitting inspection.
数理统计学原理主要包括:参数估计、统计分布类型、分布拟合检验; 工程结构可靠度理论主要介绍了一次二阶矩方法。
Such as parameter estimation types of statistics distribution tests of distribution hypothesis methods of linear-second order moment, ect.
对该分级标准及回归模型的拟合检验结果表明,当蚜情指数小于80、抽样量在100株以上时,对蚜量的估计可达90%的准确度。
Test of goodness of fit proved that when the index of aphid degree was less than 80 and the samples were more than 100, the quantity estimation accuracy was as high as 90%.
在实证研究中,以PLS—结构方程原理为支撑,采用递归迭代方法对应用模型进行了详尽的拟合分析与统计检验。
In the demonstration research, base on the PLS - structure equation principle, used the recursion iteration method to carry on the exhaustive fitting analysis and the statistical test using the model.
此外,用相关指数来检验曲线回归方程的拟合程度,而不采用在类似的研究中用相关系数来检验曲线回归这一不合适的方法。
Moreover, the fitting degree of curvilinear regression equation is tested by correlation index, in stead of correlation coefficient which has been unsuitably used for testing in similar works.
说明:一,二,三次拟合,并得到R方的检验。输入任何矩阵,得出险要的值。
One, two, three fitting and get R-square test. Enter any matrix derived advantageous values.
并通过最小二乘法线性拟合后进行显著性检验。
And significance test is carried out through least square fitting method.
通过相关试验数据对模型的检验,结果表明模型的拟合程度高,具有很好的适用性。
Through testing with related experimental data, the models had high fitting degree and applicability.
在三个地区应用ppr进行降水量预测建模、模型的拟合及预留预测检验结果均好于逐步回归建模的相应结果。
The results of application of PPR model to the precipitation prediction in three regions are better than that of stepwise regression for fitting and prediction.
编制了程序,能自动拟合回归方程。并进行方差分析和回归效果的显著性检验;
The program designed may imitate the . regression equation automatically, engage in variance analysis and significance test for regression effects.
此外,通过对10个CNN网络进行KS检验统计量的比较,证实该方法比图形方法具有更好的拟合效果。
Furthermore, it has been verified to have higher goodness-of-fit than graphical methods by comparing the ks test statistics for 10 CNN networks.
在讨论(广义)非参数似然比拟合优度检验时,加权经验过程理论是一个非常重要的基础。
The theory of weighted empirical processes is an important element for (generalized) nonparametric likelihood ratio goodness of fit test.
在现场地质调查的基础上,对节理开度的概率分布函数进行了拟合,并进行了假设分布的有效性检验。
On the basis of field geology survey, the probability distribution function of joint aperture is fitted and the availability of the fitting is verified.
方法结合职业紧张研究数据,利用LISREL软件实现参数估计,以RMSEA、GFI、SRMR作为拟合优度检验的评价指标。
Methods Occupational stress data were analyzed and using LISREL to estimate parameter. RMSEA, GFI, SRMR were used as fitting goodness indicator.
预报试验和检验表明,动态的二项式曲线预报模型,有较高的拟合能力,在业务应用中有较好的效果。
The results show this forecast model has high fitting ability and performs well in the operational forecast.
对拟合方程进行方差分析并在此基础上利用偏拟合平方和的检验确定拟合多项式的最佳阶数。
The optional polynomial order is selected through the test of the partial fitting square sum on the basis of the variance analysis of the fitting equation.
一般的拟合优度检验方法只能用于分布完全已知的情况。
The common goodness-of-fit tests require continuous distributions with known parameters.
完成了非线性拟合与加权计算方法、标准曲线、三周期方差分析、秩和检验等研究工作。
The research on nonlinear regression, weight methods, standard curve, three periods ANOVA, rank sum test, was accomplished.
复相关系数、F检验、t检验结果表明,该模型满足线性与方差齐性的假设,拟合效果较好。
The result of multiple correlation coefficient testing, F-testing and t-testing indicates that the model meets the hypothesis testing of linearity and its matching effect is preferable.
结果:提出了模型的一般框架,并给出了协方差密度的性质以及模型的拟合优度检验。
Results: a general framework of the model is established. The property of covariance density and the goodness of fit test are given.
根据模型的拟合参数计算和讨论提出了应用力学模型可以检验非织造布加工中纤维网粘结程度优劣的可能性。
According to the computation and discussion of the model parameters, a possibility of using the mechanical model to evaluate bonding degree of fibre web in nonwoven processing has been proposed.
使用结构方程模型对假设模型进行了检验,结果证明该假设模型能较好地拟合调查数据。
Hypothesis model is tested using structural equation modeling method, whose result shows the effectiveness of the hypothesis model in integrating and treating survey data.
在此基础上编制的GPS水准拟合软件,具有可以指导GPS水准点的布设、检验GPS水准点中的粗差等功能。
The software based on the above studies has some functions that it can guide the layout and detect gross errors of GPS-leveling points.
给出了趋势检验、AMSAA模型的拟合优度检验及模型参数的极大似然估计方法。
The tendency check, goodness of fit check, maximum likelihood estimates (MLE) of the parameters and MTBF for AMSAA model are presented.
结构模型拟合优度评估以及假设检验结果表明:企业声誉、预期合作收益、资源投入程度和转移成本是供应链协作信任的四个影响因素。
The result shows that company reputation, anticipated collaboration income, the degree of resource devotion and switching cost are the four influential factors of supply chain collaboration trust.
对具有厚尾结构的数据的拟合优度检验选择A—D拟合优度检验法优于K - S拟合优度检验法,前者对尾部检验更敏感,更合理。
On fat tail structure of the given data, the law of A-D goodness of fit test is better than the K-S goodness of fit test, the former is more sensitive and rational.
该模型用于某流域年均含沙量预测的拟合率达90%以上,预留检验预报的准确率为75%。
The model is applied to the prediction of the mean annual amount of sediment in a river valley. The results show that the fitting precision and prediction precision are 90% and 75%, respectively.
模型的错误设定往往对推断和检验造成误导,进一步,错误拟合的模型可能会导致定价,套期保值以及风险管理上大的错误。
Model misspecificaton generally leads to misleading conclusions in inference and hypothesis testing, more, misspecified model can yield large errors in pricing, hedging, and risk management.
模型的错误设定往往对推断和检验造成误导,进一步,错误拟合的模型可能会导致定价,套期保值以及风险管理上大的错误。
Model misspecificaton generally leads to misleading conclusions in inference and hypothesis testing, more, misspecified model can yield large errors in pricing, hedging, and risk management.
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