查询词典 iterative

The algorithm does not computer any derivatives and some iterative points need not to be generated strictly decreasing,but we can also obtain the convergence.

该方法无需计算任何梯度信息且不要求迭代点的函数值严格减小，但仍然可以保证算法的收敛性。

In constructing new solutions of Feigenbaum renor- malization group equation, it is important to know which operator commute s with the iterative operator,This paper presents a theorem about the structure of the ab.

本文揭示了与迭代算子对易的算子集合在构造Feigenbaum重整化群方程新解中的重要性。

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。