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- Using EWMA to forecast the portfolio's dynamic transferred variance-covariance matrix, we can get more reasonable and precise dynamic transferred coefficient matrix. 采用EWMA模型预测动态变化的方差一协方差矩阵,从实证的角度得到更精准的动态迁移相关系数矩阵。
- transfer coefficients matrix 传输系数
- It is on this basis that all mass transfer coefficients are here reported. 所有此处报道的各种传质系数都是以此为基准的。
- High frequency instabilities result in grossly increased convective heat transfer coefficients in the chamber walls. 高频不稳定性使室壁对流传热系数大大增加。
- A new method for construction of multi-wavelet filter coefficients matrix using orthonormal expansion technique was proposed. 摘要根据正交多小波的特点,提出了一种利用正交扩充来构造多小波滤波器系数矩阵的方法。
- Heat transfer coefficients in a packed bed h*** e been investigated by Leva and Beck. 填充床的传热系数已由利瓦和贝克作过研究。
- Heat transfer coefficients in a packed bed have been investigated by Leva and Beck. 填充床的传热系数已由利瓦和贝克作过研究。
- The calculated results for the mass transfer coefficients in pipe flows and stirrer tanks agree well with the measured data reported in articles. 模型计算结果与管道流及搅拌反应釜的实验结果吻合较好。
- The maximum stress occurs near the thermally grown oxide (TGO) layer, and its value increases with the increase of heat transfer coefficients. 在热氧化生成层附近产生了较大的应力,并且主应力值随着换热系数的增加而增大。
- The volumetric oxygen transfer coefficients and the fluid cir-culation rates in the draft tube are correlated based on the... 根据实验数据,建立了反应器中的氧传递和提升筒中流体流动的关联式。
- The effects of corona, dielectric barrier discharge and glow discharge on the heat transfer coefficients with a heated copperplate are compared. 文中对比研究了电晕、介质阻挡以及辉光放电对空气-金属之间对流传热系数的影响作用。
- The effects of heat and mass transfer coefficients on the temperature of adsorb bed and effluent concentration were analyzed comparing by experiment. 讨论了传热与传质系数对吸附床层温度和流出浓度曲线的影响, 并与实验进行了对比分析。
- In addition, the mass transfer coefficients could be obtained from the results of VMD, SGMD and DCMD experiments respectively. 同时建立了利用VMD、SGMD和DCMD的实验结果求取过程传质系数的方程式。
- Results show that the heat transfer coefficients increase with fluidization velocity, and reach their maximum value at the certain fluidized velocity. 传热系数沿探针的周向是变化的,背风面的传热系数总体上比迎风面的大;
- An efficient way to compute projection coefficient matrix together with memory optimization is presented in this paper. 提出一种可以在联合代数重建方法中快速计算投影系数矩阵并优化内存的方法。
- The granulometer error can be corrected through calculating an integrated light energy distribution coefficient matrix. 系统误差可以通过计算积分式光能分布系数矩阵校正。
- The heat transfer coefficients of imported and domestic polymerizer for the production of PVC by bulk polymerization were compared. 对国产本体法PVC聚合釜的传热系数与进口聚合釜传热系数进行了比较。
- The method of influence coefficient matrix which is successfully used in the Sino UK project of the Riv. 本文介绍的影响系数矩阵法可以方便快捷地完成上述各项工作。
- The coefficient matrix of the linear equations is diagonally dominant when the difference schemes designed reasonably. 通过合理设计差分格,使得到的线性方程组系数矩阵严格对角占优,可使求解无条件稳定。
- Equilibrium solubilities and volume mass transfer coefficients of methanol and steam in liquid paraffin were measured at 433.15~533.15?K and 0.110~0.960?MPa in agitated autoclave. 在机械搅拌高压釜中;测定了433.;15~533