查询词典 relaxation parameter

Additionally, the over-relaxation parameter in the direction defined by the RA-SAGE algorithm is also applied to obtain fast convergence to a globally maximum likelihood solution.

此外，在迭代搜索同时，新算法结合了超鬆弛变数，使其能快速接近全局最大似然解。

The M Q algorithm has been applied to the second order elliptic problems with the Dirichlet boundary conditions,and the so called R condition is involved in the convergence theorem and the optimal relaxation parameter.

M-Q算法所考虑的是二阶椭圆型Dirichlet边值问题，此时有所谓的R条件成立，算法的收敛定理以及松弛因子的选取都需要该条件。

Compared with 5℃, the relaxation parameter of gel decreased faster at 25℃.

与5 ℃相比，25 ℃下的凝胶松弛参数下降较快。

Relaxation parameter in RAMLA serves as a controller which adjusts the amount of image update at each iteration.

松弛系数在列运算演算法中扮演一个重要的控制者的角色，调控每次叠代中修正的幅度。

For the sake of the image reconstruction efficiency we shortened the reconstruction time almost 100 times by parameter table method. In algebra iterative algorithm we found the range of relaxation parameter is very different. The range of relaxation parameter of ART was narrower than that of SIRT. Different methods of data access will influence on the quality of reconstruction image.

在代数迭代算法中，通过模拟图像的重建发现，ART算法和SIRT算法松弛因子的选择有很大的不同，SIRT的松弛因子选择范围偏小，而ART的松弛因子选择范围要宽得多；数据访问方式的不同，对重建的图像有一定的影响；提出了最优迭代次数的判据，避免了在迭代时迭代次数选取的盲目性。

By analyzing of materials parameters, Some conclusions can be reached as the mode Ⅰ dynamic stress intensity factor and energy release rate increases with decreasing shear relaxation parameter, and decreases with decreasing swelling relaxation parameter, however elastic parameter have little influence on it.

通过对材料参数的讨论，得到动应力强度因子和能量释放率随剪切松驰参量的减小而增大，随膨胀松弛参量的减小而减小，弹性参数对其影响较小。

The conclusions are that the mode II dynamic stress intensity factor increase with the shear relaxation parameter of viscoelastic materials increasing, with swelling relaxation parameter decreasing, and with shear module and Poisson's ratio of elastic materials increasing.

得到Ⅱ型动应力强度因子随着粘弹性材料的剪切松弛参量的增加而增大，膨胀松弛参量的增加而减小；随着弹性材料的剪切模量和泊松比的增加而增大。

In this paper, we have deduced an iterative algorithm with relaxation parameter from the successive over relaxation method, which not only deduce the necessary of computation time and memory space but also is propitious to overcome the sensitivity of reconstructed images to incomplete noisy data.

从解大型线性方程组出发，由逐次超松弛法(Successive Over Relaxation， SOR)推导出一种带有松弛因子的迭代法。与 SOR 法相比，该算法不仅大大降低了对计算时间和内存空间的需要，而且有利于克服重建图像对不完全噪声数据的敏感性。

The systematic analyses and studies, including stability analyses, optimum schemes, optimum choice of coefficient, optimum sequence of values for the acceleration parameter and optimum relaxation parameter, etc.

三、运用模型方程对二维高效AF2迭代算法的格式稳定性，最佳格式系数分列准则以及有关加速参数，松弛因子的选择等问题作了系统的分析和研究；并对三维模型方程的AF2迭代算法格式稳定性问题作了讨论和分析。

Based on the least square criteria and to ensure the convergence of kinetic parameter estimation, we suggested a weighted Levenberg-Marquardt algorithm which introduces a relaxation parameter to prevent estimation procedure from divergence.

本研究除了沿用LM以残差平方总合作为调整修正步伐的方法外，另外还考量动态参数个别收敛的情况。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。