查询词典 convergence

The method can convert OPF problem into unconstrained extreme value problem using intellectual optimizing characteristics. The PSO algorithm is used in the searching, which has the parallel processing characteristic is easy to realize, and can enhance robustness and effectively improve the global convergence performance and calculation accuracy.

该方法利用智能优化理论将最优潮流问题转化成一个无约束极值问题，该算法具有并行处理特征，鲁棒性好，易于实现，能够有效的提高算法的全局收敛能力和计算精度。

At the same time,the convergence speed of this algorithm and the capacity of searching global extremum is increased.

建立改进后的BP网络模型，通过该模型和逐步回归方法对某市降水量进行实例分析。

In order to avoid local extremum and promote convergence speed, Levenberg-Marquardt BP algorithm has been adopted.

为了避免网络陷入局部最小点和提高网络的收敛速度，算法采用改进后的Levenberg-Marquardt 法BP 算法。

Simulation result proves that the hybrid algorithm has fast convergence and the partial extremum problem can be effectively avoided.

仿真表明该混合算法收敛速度快，能有效避免局部极值问题。

The conventional non-linear seismic inversion methods are low in convergence and sometimes will result in the problem of local extremum.

传统非线性反演方法存在着收敛效率低，有时会陷入局部极值的问题。

I really hope that they can exuberantly, trees branches, to the time we can gain possession of convergence.

我真希望它们能够绿叶成荫、枝干参天，到时候就可以收获藏敛。

In view of trust region algorithm has good global convergence for solving non-linear quadratic programming problem,the effective elastic module s damage factor and the damage distribution function is introduced by FEM updating .

鉴于信赖域算法在求解非线性二次规划问题中具有良好的全局收敛特性，同时结合有限元模型修正技术，引入有效弹性模量损伤因子和损伤分布函数的概念，在Matlab编程环境下调用ANSYS有限元程序中的APDL语言进行桥梁空间结构的有限元建模，利用信赖域算法调整局部单元的参数，通过连续损伤分布插值多项式拟合连续区段各单元的损伤分布曲线，进而实现了对连续梁桥的动力损伤识别。

Power system ; Harmonic analysis ; Artificial neural network ; Convergence theorem ; Fast Fourier transformation ; Triangle base functions ; Window functions

电力系统；谐波分析；人工神经网络；收敛定理；快速傅立叶变换；三角基函数；窗函数

For the calculus of set valued functions,some convergence theorems about thePettis-Aumann integral,such as Fatou's Lemma,are mainly investigated;theproperties of the parametric Pettis-Aumann integral are gotten.

在集值映射的微积分方面，本文着重讨论了Pettis-Aumann积分的一些收敛定理，如Fatou引理等，并研究了含参变量Pettis-Aumann积分的一些性质。

We improved the merit function in quasi-feasible interior point method and used the exponential function that is the more general function to prove the existence of one order optimality point in feasible problem. We discussed the inner and outer algorithms and made the convergence theorem.

在算法中改进了拟可行内点法中的值函数，使用指数形式的更一般函数，用此值函数证明了可行性问题的一阶最优性点的存在性，并通过对内部算法及外部算法的讨论得到了算法的收敛性定理。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。