多变量的

The wavelet properties of compact support and multi-scale analysis can ensure the target function of the whole time domain optimization, some important points fitting and the optimal parameters aggregation.

利用小波的紧支局部性和多尺度分析特性，既保证了整体误差性能的优化，又突出了重要拟合点的逼近要求，并实现了优化变量的集结。

In this dissertation, copula theory and ...

论文在深入研究Copula理论的基础上，构建了基于Copula理论的多变量金融时间序列模型并系统地研究了它们的动态建模问题，研究了Copula模型在金融风险管理上的应用，并最后应用优化算法解决描述板块相关性结构的问题。

The article analysed the foreign trade effect to macroscopical economy through metric analysis method, the VAR model that uses vector to be returned to oneself will be opposite income of foreign trade amount, import total, export total, finance and foreign currency exchange rate undertake VAR is returned to, reach the; of cross correlation relation of many variable answered function to analyse the long-term and harmonious relationship between foreign trade and reform economic norms through concussion.

本文通过计量分析方法分析了进出口贸易对宏观经济的影响，运用向量自回归的VAR模型来对进出口贸易总额、进口总额、出口总额、财政收入和外汇汇率进行VAR回归，得出多个变量的互相关联关系；通过冲击响应函数分析了进出口贸易和改革经济指标间的长期均衡关系。

Combining with the basic concept of steric-mass action theory, which considers both the multi-point nature and the macromolecule steric shielding of protein adsorption, an implicit SMA isotherm formulism for protein adsorption equilibrium on CB-Sepharose is formulated, involving salt concentration as a variable.

同时结合SMA模型所提出的蛋白质吸附的多位点特性和大分子空间屏蔽效应的基本概念，得到了包括盐浓度为变量的SMA等温式方程。

With regard to the practical problems of estimating product quality on-line in hydrocracking fractionator, the soft-sensing engineering implementation strategy, which combines several soft sensors by weights for product quality estimating, is proposed to improve robustness of on-line estimation.

运用此控制策略对Shell公司重油常压塔和Wood-Berry精馏塔进行了仿真研究，通过与直接针对实际对象的基于RNNARX模型的多变量约束预测控制策略的仿真结果相比较，显示了PLS-MPC控制策略的有效性。

According to this theory, the stress intensity factor around the crack-tip is a function of several variables, while Irwin's stress intensity factor K1 is a constant, therefore the factor K1 becomes a particular case of the generalized factor K1g.

作为钝角裂纹模型的K1g将在无限细的数学裂纹的尖点上退化为K1。广义应力强度因子的表达形式为风K1g＝ηK1，其中η是一个多变量函数，它是一个对于K1；的修正系数。在数学裂纹尖点上有η＝1。

In the higher dimension, there are a great variety of sigularities along different curve, curved surface, hypersurface besides point sigularities.

而多维地震子波是不可分离变量的，因此，对高维观测信号的描述，就应该考虑信号自生的特征，选择具有相应数学分布的子波。

The LTR of centralized multivariable control systems is then generalized to decentralized control large-scale interconnected systems by H∞ optimal theory. The difficulty to compute the infimum of H∞-norms of recovery matrices in the set of all possible gains of decentralized observers is avoided.

基于H∞理论，将多变量系统的回路传递再生方法推广于分散控制关联大系统，并避免了在所有可能的分散观测器增益构成的集合上，直接计算再生矩阵的H∞范数下确界的困难。

The orthogonality of the modal functions is employed to decouple the governing equation into a set of infinite ordinary differential equations that are independent of each other.

将梁的控制方程写作状态变量的形式，然后利用复模态的正交性可解耦为无穷多个彼此独立的常微分方程组。

However the posterior density functions of character parameter, skew parameter and location parameter are multi-mode, so the slice sampling is used to make the algorithm more efficient.

其中辅助变量的后验密度是单峰的，因此引入自适应舍选抽样来提高效率，而特征参数、偏度参数和位置参数的后验密度是多峰的，用切片抽样来处理效果较好。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。