查询词典 iteration

ORRLS algorithm can guarantee orthonormality of the weight matrix in iteration.

理论分析和仿真试验表明，ORRLS算法在强干扰的情况下，仍能稳健地收敛，更适合于直接序列扩频系统中的干扰抑制。

One is introducing a weighting factor to reduce oscillation of solution of diagnosis equation in each iteration.

因此本文又进一步提出了改善诊断方程收敛性的措施，包括在迭代过程中引入加权因子来修正元件参数的调整量，以及根据诊断方程的解判断元件参数故障偏移的方向和大小对迭代初值进行调整。

The elliptic electric potential equation is solved by Gauss-seidel iteration using a successive overrelaxation technique.

椭圆型电场方程采用控制容积积分方法离散，用Gauss-seidel迭代加超松弛方法求解。

If the pattern has a low rate of convergence, the time of the human and machines will be wasted and the answer are not surely attainable.So,we must look for the patterns with the high rate of convergence or try to settle some parameters of the iteration patterns (for instance the overrelaxation parameter of SOR iterative method).

本文第二章针对AOR迭代法考察了当线性方程组的系数矩阵A为(1，1)相容次序矩阵且其Jacobi特征值为纯虚数或零时的迭代收敛范围，最优参数(即最优松弛因子和最优加速因子)及与之相应的谱半径，并将此最优谱半径与相应的SOR的进行比较，定量的给出在不同条件下，AOR和SOR迭代法各有其优越性，从而圆满的解决了在这两种迭代法之间如何适当的选择最佳迭代法的问题。

A fourth-order compact finite difference alternating-direction-implicit algorithm is proposed for solving the unsteady-state Navier-Stokes equations of fluid flow and heat transfer using the streamfunction-vorticity formulation. Point-successive overtaxation iteration is used to achieve the steady solutions.

本文构造了求解二维非定常涡量流函数形式Navier-Stokes方程组的一种四阶紧致交错方向隐式差分算法，对包括能量方程在内的离散化方程组采用逐次超松驰迭代法求得稳定解，求解了二维非定常粘性不可压缩流体的流动与传热问题。

During the rest of the iteration, the team will implement the features they signed up for, pair programming on all production code.

在迭代周期的其他时间内，团队要实现他们所登记承担的任务，所有代码由编程对子一起完成。

When it is used to solve contact problems,multiplepairs of contact points can be updated in each iteration,other thansome methods such as Thail-Van de Panne method and Goldfarb-Idnani method,which update only one pair of contact points at eachiteration.

用拟有效集方法解接触问题，每次迭代可以更换一组接触点对而不是某些方法只能更换一个接触点对，因此大大提高了解接触问题的效率。

Computer graphics users at Xerox PARC found that, by using this method, they usually get acceptable prints on the first iteration.

而在施乐PARC中心的用户则发现使用这种方法后，他们通常只须一次迭代就能得到可以接受的打印质量。

The detailed algorithm on analyzing cracks exploration inside blocks is: enriched approximations which describe singular crack tips fields and discontinuous crack faces are employed under the Partition of Unity theory; the enriched nodes surrounding crack tips or faces are respectively mapped with corresponding enriched degrees of freedom, and the solution of all these degrees of freedom is uniformly proceeded by the implicit iteration algorithm of DDA, then fracture and breakage of DDA blocks can be analyzed. The numeric examples show this algorithm is rational and efficient.

为此建立的无网格法裂纹扩展分析算法，采用满足单位分解条件的特殊增强型函数表达裂纹周围应力场的非连续、奇异特性，将对应的扩展自由度动态映射到裂纹周围的节点上，统一按DDA法隐式迭代方式求解，实现块体裂纹扩展和强度分析，相关算例结果显示该算法是合理有效的。

In the algorithm, a three-dimensional permute matrix of binary variables is used to map the problem to the neural network, the energy function including object item and overlap constrained item is presented, and then iteration procedure is put into practice with the mean annealing equation.

提出了一个基于均场退火方法的任意单元布局算法，用一个三维二值换位矩阵将问题映射为神经网络，建立包含重叠约束和优化目标的能量函数，再用均场退火方程迭代求解。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐