在序列原点附近,拟合值与实际值的拟合程度非常高。
Nearby the sequence origin, actual values and fitted values have a very high fitting precision.
通过对均值方程的修改,最终获得了拟合程度较好的模型。
Throw recomposing the mean function, we can obtain a better simulated model for forecast term risk premium.
在适当的选择反演模式和反演参数后,能够提高反演结果的拟合程度;
Select the appropriate inverse modes and parameters, it can improve the inversion results of the fitting degree.
通过各类回归模型参数的比较,选择回归拟合程度最好的作为两者关系模型;
Through various types of regression model parameters and comparing, we choose the best regression fitting the degree of relationship as the model.
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.
利用快速成型机可以将股骨近端的数字模型实体化,得到与实际骨骼拟合程度较高的实体模型。
Through rapid prototyping machine, can materialize the digital model of proximal femur and receive the materialized model which have extremely good fitting degree with the actual bone.
接着利用统计学方法,建立影响因素与产值之间的直线回归模型,并对回归模型拟合程度进行分析;
Then using statistics method, establishing the regression model of straight line and analyzing join level for regression model;
结果表明,对手机销售数量的历史趋势拟合程度较高,所以用此预测模型预测,具有一定的参考价值。
The results showed that sales of mobile phones fitted a higher degree of historical trends, the prediction model used in this forecast, with some reference value.
应用LISREL8.53作验证性因素分析,通过理论模型与实际数据的拟合程度验证量表的结构效度。
LISREL8.53 was used to analyze the verification of factor, the structural validity of the scale was verified with the fitting degree of theoretical model and actual data.
预测结果表明,利用最小二乘支持向量机进行预测具有误差小、拟合程度高等优点,可适用于GDP的预测。
The forecasting results show it have many advantage, such as lower error and higher fitting, and it can be used to GDP forecast.
鉴于目前最常用的K分布模型对各种海态下特别是低海态海杂波的统计特性拟合程度不高,提出了改进K分布模型。
In view of the lower fitting degree of commonly used K-distribution model for various sea, especially for low sea state cluster, an improved K-distribution model was proposed.
基于样条最小二乘数据拟合方法建立的数学模型不仅可以提高模型精度和拟合程度,而且模型阶数较低,光滑性好。
The mathematical model built by the data fit method based spline least square has not only higher precision of model and fit coherence, but low degree of model, more smooth also.
在工艺状况发生改变时,通过对模型的滚动优化,修正模型参数,来提高模型对实时观测数据的拟合程度和预测的准确性。
When the condition changes, fitting degree of observed data and prediction accuracy of the model are enhanced through rolling optimization and modifying model parameters.
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.
模拟结果表明,流动单元约束的油藏数值模拟模型具有初始拟合程度高、模型修改程度低、能够更精确的反映层内和平面剩余油分布的特点。
The result of the simulation indicates that the reservoir numerical simulation restricted by fluid flow unit has many advantages in history matching and precision of remaining oil prediction.
由此造成的不足是:理论分析与实际经济是否拟合以及拟合的程度如何并不确定。
The Shortcomings is: it is not possible to judge the fitting degree between the theory conclusions and the real economy.
通过大量正演计算,拟合出桩周土为黏土、砂土、粉土条件下缺陷程度与时域速度响应波形中入射波与反射波波幅比之间的关系式。
Using this software, the relationship between degree of defect and ratio of amplitude was studied, in which the influence of the characteristics of the soil around piles is taken into account.
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.
根据模型的拟合参数计算和讨论证明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的优劣。
According to the computation and discussion of the model parameters, a way of using the mechanical model to evaluate bonding degree of fibre web in nonwoven processing has been testified.
讨论了最小二乘多项式拟合中引起正规方程组病态的两个重要原因:节点对原点的偏离程度和节点坐标的数量级。
In this paper two reasons-the deviation of the data from the origin and the size of the data-causing the ill-conditioned normal equations in the least square fitting of a polynomial are discussed.
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.
新的拟合法不仅快速方便,而且一定程度上避免了拟合的多解性。
This new fitting method is not only quickly and conveniently but also avoids the multi-solution to a certain extent.
目的探讨应用选择性最小平方拟合法无创性评估机械通气病人镇静时呼吸努力程度的可能性。
Objective to investigate the possibility of application of selective least square fitting method to evaluate the respiratory effort of sedative patients mechanically ventilated.
了解多项式的逼近程度和有效拟合区间随多项式的阶数有何变化。-1。
Understand the degree of polynomial approximation and the effective range with the polynomial fitting order of any changes.
结果表明,所拟合的11个树种的苗高生长曲线与实际生长曲线吻合程度高,可作为采用育苗技术措施的依据。
The results show that the growth patterns of 11 species are fitted well with the actual growth curve and can be used as technique basis to cultivate seedlings.
为了能够最大程度地拟合现实情况,本文又将该模型加以改进,在模型中引入了偏好系数,并介绍了该模型的算法。
In order to imitate the realistic condition better, this thesis improves the model by introducing the inclination coefficient to the model and give the solving method of the model.
方法拟合输入与输出之间含有一个隐层的BP神经网络,利用各层输入与输出间的相关程度与网络权值确定各因素影响力大小。
Methods the main effective factors could be found by weights of the BP Nerual Network, which has one hidden layer, and the correlation of inputs and output.
方法拟合输入与输出之间含有一个隐层的BP神经网络,利用各层输入与输出间的相关程度与网络权值确定各因素影响力大小。
Methods the main effective factors could be found by weights of the BP Nerual Network, which has one hidden layer, and the correlation of inputs and output.
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