Abstract: Model averaging is a frontier topic in Statistics and Econometrics. It has wide applications in many fields like Economics, Finance, Biology and Medicine.
内容提要：模型平均方法是当代统计学和计量经济学界研究的国际前沿问题，在经济、金融、生物、医学等领域有着广泛的应用前景。
Bayesian model averaging was used to combine the results across models and to provide a measure of uncertainty that reflects the choice of model and the sampling variability.
贝叶斯模型平均法用来综合各模型的结果并提供一种反映模型选择和抽样变异性的不确定性度量。
South Korean pilots, averaging six or seven hours a week in the air, say their North Korean counterparts, flying older model MiGs, are lucky to fly once or twice a month.
南韩飞行员每周平均有六到七小时上天的机会，但他们的北方同行只能驾驶古老的米格战机，一个月或许才能有幸飞上一两次。
This paper presents the state space averaging model of a PWM reversible rectifier, on the basis of which a family of valuable formulas and conclusions are derived with theoretical analyses.
本文提出了一种PWM可逆速流器的状态空间平均模型，并在此基础上，经过理论分析得出了一系列有价值的公式与结论。
The basic equations of two-fluid model have been developed byapplying ensemble averaging to the local instantaneous conservation equations.
通过对流体的局部、瞬时守恒方程进行系综平均，得到了双流体模型的基本方程。
Based on volume averaging theory, natural convection model for melting phase change in porous media was established.
根据体积平均理论，建立多孔介质中融化相变过程自然对流模型。
In this paper, a mathematical model is used to characterize this random signals, and a time averaging method is used for obtaining the ultrasonic attenuation coefficient.
本文提供了一种用于识别这类随机信号的数学统计模型，并介绍了一种时间平均法用来获取超声背散射信号的衰减系数。
The mass-weight averaging N-S equations are adopted as the governing equations of flow, and a two-equation turbulent model is employed.
用法福尔质量加权平均N-S方程及两方程湍流模型求解三维超声速平板湍流边界层流动；
The simulation results show that local voidage calculated by bubble and emulsion model is observably lower in the bubble nose region, compared with that calculated by area weighted averaging.
模拟结果表明：气泡乳相模型在气泡鼻区域计算的局部空隙率显著低于面积加权平均法的计算结果，因而在该区域能较大幅度地修正曳力。
By using the state-space averaging approach, the converter's averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given.
采用状态空间平均法建立了变换器平均模型，获得了关键电路参数的设计准则和变换器的外特性曲线。
Traditional combined forecasting model exists deficiency in weighted averaging.
传统的组合预测模型存在加权平均的缺陷。
A new half-tube averaging pitot tube is designed, and based on the Bernolli equation and continuity equation, a mathematics model is established.
设计一种新型半管均速管，并根据伯努利方程、连续性方程建立均速管仪表系数的数学模型。
While the discontinuousness of liquids in RPB is considered, calculation is much more reduced by classifying liquid elements and averaging concentration in this mathematical model.
该模型在考虑填充床内液体微元不连续的同时，将液体微元进行分类并对浓度平均。
On the base of classic state-space averaging, this paper modifies and considers the parasitic effects of circuit elements which lead to equation of the state, so the small-signal model is established.
在电路平均法基础上对占空比限制加以改进，并考虑寄生参数的影响，推导出状态方程，建立其小信号模型。
Using the areal weighting interpolation and inverse distance weighted averaging, a spatial distribution model of GDP is established in this paper.
文章采用栅格数据模型，运用面积权重法和反距离加权法对GDP值进行了空间拓展。
The achievements of the dissertation are as follows: 1 Summarize the modeling methods of switching converters, and adopting state-averaging method to build the model of the system.
对开关变换器的建模方法进行了综述，通过比较选用状态平均法对系统进行建模。
The achievements of the dissertation are as follows: 1 Summarize the modeling methods of switching converters, and adopting state-averaging method to build the model of the system.
对开关变换器的建模方法进行了综述，通过比较选用状态平均法对系统进行建模。
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