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Adopting homogenous experimental design and applying the response surface method,the effects of corn variety,screw speed and water content on radial expansion ratio and extrusion index were studied,and the quadratic polynomial mathematical models of expansion ratio and extrusion index were constructed.

采用均匀试验设计方法，应用响应面分析了玉米品种、螺杆转速和物料水分含量对膨化率和挤压指数的影响，并建立了膨化率和挤压指数的二次多项式数学模型。

Some stochastic Galerkin methods, combining the Askey polynomial chaos expansion for the stochastic inputs and the spectral method in the physical space, are proposed to approximate some popular model problems.

研究的算法基于随机方向上的Askey正交多项式谱分解和物理空间方向上的谱方法。

The conductivity field and hydraulic field are represented by Karhunen-Loeve expansion and polynomial expansion, respectively. The original stochastic partial differential equation is transformed into a series of deterministic equation at the collocation points.

其渗透系数场和水头场分别被表示为Karhunen-Loeve展开和多项式展开的形式；初始随机偏微分方程被转化为在相应配点上的确定性方程。

The conductivity field and hydraulic field are represented by Karhunen-Loeve expansion and polynomial expansion , respectively. The original stochastic partial differential equation is transformed into aseries of deterministic equation at the collocation points.

其渗透系数场和水头场分别被表示为 Karhunen-Loeve 展开和多项式展开的形式；初始随机偏微分方程被转化为在相应配点上的确定性方程。

A truncated Volterra series expansion, whose polynomial number can be determined by error criteria, was used to model the biomedical signal component. Based on Volterra we proposed an adaptive filter that could approximate and extract the signal in noise corrupted ECG data efficiently.

利用误差准则确定的Volterra序列展开能很好模拟生物信号成份，而基于Volterra序列的自适应滤波器能有效模拟ECG成份从而达到去除信号中噪声的目的。

This polynomial expansion based algorithm is then integrated with the Logical Key Hierarchy; while preserving the logarithmic communication cost with the group size, the presented PE-LKH scheme lowers the computation complexity observably, thus is scalable to large dynamic groups.

将基于多项式展开的该算法与逻辑密钥层次结合，又提出了一种PE-LKH方案，在保留通信开销随组规模呈对数增长的同时，其计算复杂度有效降低，可适用于大规模动态群组。

In addition this paper discusses the problem of the sample point and the rank of polynomial of Curve-fittng model.

另外还就曲线拟合的取样点和多项式的阶数等问题进行了讨论。

A polynomial regression model with cubic and quartic terms was used for analysis of the experimental data.

有立方体的和四次的术语一个多名的复原模型对实验的数据分析是使用过的。

A polynomial model is designed according to the property of the cutting force coefficients.

本文在分析了切削力系数特点的基础上，建立了切削力系数的多项式回归模型。

This method also can help to simplify the polynomial model.

这种方法有助于多项式模型的化简。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。