In this paper, we study the testing for varying dispersion in proper dispersion nonlinear models.
本文研究了恰当散度非线性模型变离差的检验问题。
The computational results demonstrate the superior performance of nonlinear models over the linear models.
计算结果表明非线性湍流模式具有明显的优势。
Based on analysis of nonlinear models, mathematical physics meanings and mathematical characters of blown-ups are provided.
基于对非线性模型的分析,给出了溃变的数学物理学意义和数学特征。
We discussed the nonlinear models with random effects, presented the theory and methods for the models with large nonlinearity.
该文研究了非线性随机效应模型,为非线性张度大的模型提供了理论和方法。
Q function have been used to study the statistical diagnostics for the exponential family nonlinear models with random effects.
对指数族非线性随机效应模型,本文首次利用Q函数进行统计诊断。主要创新性研究成果如下。
Based on the analysis of nonlinear models, mathematical physics meanings and mathematical characters of blown-ups are provided.
基于非线性模型分析,给出了溃变的数学物理意义和数学特征。
It is necessary to make a reasonable covariance structure for longitudinal data so as to fit these data with linear or nonlinear models.
为了用线性或非线性模型拟合纵向数据,需要确定一个合理的协方差结构。
Linear models mainly include the factor analysis model and the trend surface model. And nonlinear models include BP neural network model.
其线性模型主要为因子分析模型和趋势面分析模型,非线性模型为BP神经网络模型。
The generalized nonlinear models (GNLMs), i. e. exponential family nonlinear models are the natural generalization of ordinary nonlinear models.
广义非线性模型又称指数族非线性模型,它是普通正态非线性模型的推广。
As an example, the riding index of diesel locomotive type DF 9 is calculated and the results of linear and nonlinear models of the locomotive are compared.
本文以东风9内燃机车为例,分析了各种速度下的平稳性指数,并比较了线性模型和非线性模型的分析结果。
In this paper a variety of time series nonlinear models are introduced and the idea and modeling method of the threshold autoregression are discussed in detail.
本文概述了时序分析的非线性模型类,详细叙述了门槛自回归模型的建模思想和方法。
We first develop the tests for varying dispersion in two special generalized nonlinear models of longitudinal data: (1) logistic nonlinear models in binomial data;
首先刻画了非线性随机效应模型的异方差类型,进而研究了非线性随机效应模型的异方差检验;
To obtain enough accuracy parameters to be estimated, this linear model must meet two preconditions:First, the nonlinear strength of nonlinear models is enough weak;
这种线性化近似模型要满足两个前提方能解算出足够精度的待估参数:第一,非线性函数模型的非线性强度要足够弱;
Adaptive controllers based on simplified linear and nonlinear models are studied by simulation and the results show that the latter has better property of convergence.
通过对基于简化线性和非线性模型的自适应控制器的仿真研究,结果表明后者具有更好的收敛性。
In (1 + 1) -dimensional nonlinear dynamical systems, it is believed that different kinds of localized excitations exist in different types of nonlinear models respectively.
在(1 + 1)维非线性动力学系统,人们发现不同的局域激发模式分别存在于不同的非线性系统。
Founded on change speciality of series of dam safety monitoring forecast, artificial neural networks and nonlinear models of time series based on genetic algorithms are applied.
根据大坝监测数据在时序上变化特征,应用了神经网络和基于遗传算法的时间序列的非线性预测模型。
For generalized linear and nonlinear models, it is still a conventional hypothesis that observed data should have nominal dispersion, otherwise statistical inference would be more difficult.
对于广义回归模型,人们也总是假设数据具有名义离差,否则,统计推断更加困难。
As in ordinary regression models, the problem of the heteroscedasticity test still exists in nonlinear models with correlated errors, but, the test for correlation also needs to be considered.
和普通的非线性回归模型一样,具有相关误差的非线性模型也存在异方差检验问题,但通常还要检验相关性。
One of r's strengths is its ability to calculate linear, as well as nonlinear regression models.
计算线性与非线性回归模型的能力是R的强大功能之一。
Nonlinear regression and quadratic response surface models.
非线性回归和二次响应面模型。
The exponential models with additive noise describe a class of important nonlinear stochastic systems.
鉴于含有加性噪声的指数模型描述了一类重要的非线性随机系统。
An approach for building accurate and fast running T-S models is proposed based on summarization of the experience of nonlinear modeling.
在总结非线性建模经验的基础上,给出了一种建立精确且运行速度快的T - S模型的方法。
Linear and nonlinear error models for Inertial Navigation System (INS) initial alignment are established.
建立了惯导系统(INS)初始对准的线性和非线性误差模型。
The stable problem of nonlinear system was studied. Fuzzy dynamical models were used, and the global fuzzy models were translated into the system with uncertainties.
研究非线性系统的稳定控制问题,采用模糊动态模型方法,并将全局模糊系统模型表示成不确定系统形式。
For the influence of temperature to EGO sensor's output, its nonlinear regression models which include temperature's modifying term be achieved.
针对温度对废气氧传感器输出的影响,建立了带温度校正的EGO传感器非线性回归模型。
The nonlinear mathematical models with wellbore storage and skin effects under several boundary conditions were established and solved by using numerical methods.
建立了各种边界条件下考虑井筒储存效应和表皮效应的非线性不稳定渗流数学模型,并用数值法对其求解。
The discovery of long memory suggests possibilities of constructing nonlinear econometric models to improve price forecasting performance.
长期记忆性的存在使得有可能通过建立非线性经济计量模型以改进价格预测效果。
The computational models of mutural distubance analysis about geometric nonlinear effect between the higher piers are proposed.
提出了高桥墩之间几何非线性效应的相干分析计算模型。
The computational models of mutural distubance analysis about geometric nonlinear effect between the higher piers are proposed.
提出了高桥墩之间几何非线性效应的相干分析计算模型。
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