查询词典 iterative

Computational examples show that the modified subgradient optimization algorithm for Lagrangean relaxation can reduce the iterative steps obviously, and is proved to be efficient.

算法实例表明，改进后的拉格朗日松弛算法迭代步数显著减少，证明算法是有效的。

By perceiving the facts that average damages do not change the loading paths of a structure and that local damages will not increase component stiffness, the author presents the damage identification algorithms termed as Iterative Matrix Optimal updating and Constrained Submatrix Factor Adjustment .

根据一般损伤不引起荷载路径改变、局部损伤不会导致单元刚度增加等损伤问题的特点，提出损伤识别的"矩阵迭代优化修正法"和"带约束的子矩阵系数修正法"；并将子矩阵系数修正法推广为联合运用动力与静力测量值的损伤识别算法。

A suboptimum detection algorithm based on the frequency domain equalization was developed and the soft output iterative FDE algorithm JI-FDE was studied.

为了降低OVSC检测的复杂度，提出了基于频率域均衡的次优算法J-FDE，进一步研究了软输出迭代频率域均衡算法-JI-FDE。

The iterative detect and decoding algorithm is a suboptimum joint receiver, can achieve the good trade off between the performance and complexity, and closing the Shannon limit performace.

次最优的迭代检测译码算法在性能和复杂度上可以取得折衷，并有效地逼近系统容量性能。

Introduce EXIT charts, discuss the LDPC ensemble design methods via EXIT charts in BEC and AWGN channels. Design maximum code rate LDPC ensembles in 2×2 MIMO systems via linear programming and curve fitting.(6) In view of tradeoff between decoding complexity and decoding accuracy, design suboptimum MIMO interference canceling detector, compare it with dual iterative MIMO detector.

6考虑到译码复杂度与译码精度之间的权衡，作者设计了次最优的干扰消除MIMO检测器，并与双重迭代MIMO检测器进行了对比分析。

Ranges of the selected values of concentration variables were determined by use of the iterative and substitutional method.

利用已知γ'相成分和点阵常数数据对计算结果进行了验证，证实了该方法的可用性及其准确性。

For iterative scientific applications, a task can be considered as a combination of computation subtask and its corresponding data subtask.

在分析前人工作的基础上，提出了一种基于耦合度的自调度算法ABS。

Data of tooth surface before and after wear were both obtained through laser scan system. The images were then reconstructed by SURFACER software.(2) C language program used of improved iterative closest point algorithms was developed to registrate imagines before and after wear. Standard plan was defined to the overlapped imagines after registration, then wear quantity was measured.￤ear was imitated by tooth brush machine which was made by STOMATOLOGY COLLEGE FORTH MILITARY MEDICAL UNIVERSITY.

应用三维激光扫描仪采集牙模型的表面数据，在计算机中用SURFACER逆向工程软件重建牙表面；②运用最近邻点迭代匹配算法加以改进，编制 C语言程序，配准磨耗前后的三维图像，在确定基准平面后，计算磨耗前后的体积变化量；③用口腔医院自制刷牙机进行模拟磨耗，用传统称重法，通过电子天平测试件的重量变化，用失水法计算测试材料的密度，换算成体积。

The hybrid Iterative Physical Optical -FDTD method to solve the coupling effects between the airfoil and the suspenders of it was developed.

提出了用迭代物理光学法和FDTD方法的混合方法IPO-FDTD方法解决机翼和机翼下外挂物之间的耦合问题。

So a simple and practicable iterative algorithm for solving any system of linear equations is given and its convergence is pro.

由于其方程组一般是病态、无精确解的，为此探讨了一种求解任意线性方程组的简单、实用的迭代算法以及其收敛性，该算法不需矩阵求逆而总能得到最优解。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。