优化

In the aspect of yield optimization, the worst-case distance from the circuit parameter center to the acceptance region boundary are treated by the objective function of yield optimization.

在电路成品率优化方面，将当前电路参数中心到可行域边界的最坏情况距离，作为电路成品率优化的目标函数，利用梯度优化算法，使最坏情况距离达到最大，从而优化电路的成品率。

The conclusion drawn from the contrast validates the correctness of the optimized results,and the feasibility of this algorithm to optimize the configuration parameter of the alnico.

仿真与实验对比优化前后电机的气隙磁密波形和反电势波形的结果，验证了优化结果的正确性，并验证了该多目标优化算法在磁钢结构参数优化中应用的可行性。

Give brief introduction of web develop language PHP,ASP and JSP, introduce B/S pattern and C/S pattern which used in system construct, describes JSP+Javabeans+JDBC technical roadmap used in web dental system, and the three-tiers architechure Browser/Middle-ware/Backend Database.

根据网上牙医诊疗系统开发实践，结合SQLServer2000使用经验，总结了数据库硬件调整、内存设置、反规范设计、索引优化、查询计划改善以及具体SQL语句优化等方面的技巧，并结合项目给出了反规范设计、索引优化以及改善查询计划方面的优化实例。

Furthermore, the attenuation factor can be adjusted to optimize the destination cost as well. It outgoes algorithms that optimize either the network cost or the destination cost, and makes sense in kinds of communication environments.

同时还可以调节衰减因子使目的地平均费用也得到优化，克服了已有的优化方案只能优化网络费用或只能优化目的地平均费用的缺点，适用于各种通信场合。

We firstly summarize the NN system modeling methods and the popular optimization algorithms, and point out the deficiencies, the limitation of noise cancellation modeling and the need of human intelligence participation, in our former optimization work after analysis. An abstract problem is extracted. It is to find out control variant that makes system output optimized using the data comprising a sample set with N x samples and their corresponding y, and it does not explore given system and achieves full automatic computation procedure. Next we propose a multi-variant controlled system optimization method utilizing CASSANDRA-I small type neural computer and program its application software. Moreover systematic experiments are made to demonstrate the method's validity, ability of noisy samples disposal and practical application.

我们总结了神经网络系统建模方法以及得到广泛采用的优化算法，并分析指出我们前阶段的优化工作中存在的去噪声建模有局限性和计算过程需人干预的不足，在此基础上把问题抽象为：已从系统获得含N个控制量样本的样本集S以及每个样本对应的系统输出，如何依据这些数据求出一个使系统输出y得到优化的控制量x，而不研究具体系统，实现不需要人智能参与自动完成的计算过程；提出应用人工神经网络硬件系统——CASSANDRA-I小型神经计算机的多变量控制系统优化方法，设计完成了其应用软件；并进行系统的实验工作，验证算法的有效性以及此方法处理带噪声样本和实际应用能力。

Meanwhile, the experiments show that the multi-level swarm intelligence refinement algorithm is better than the multi-level tabu search refinement algorithm, especially in view of the probability that the approximate global minimum partition of the coarser graph may be the local minimum partition of the finer graph. Furthermore, the experiments show that the multi-level ant colony optimization refinement algorithm achieves more performance improvement than the multi-level particle swarm optimization refinement algorithm, using the gain of vertex more effectively.

实验数据反映出，针对最小图上的全局最优剖分可能是初始图的局部最优剖分、粗化图上的全局最优剖分可能是细化图的局部最优剖分的情况，基于群智能的多水平迁移优化算法相比基于禁忌搜索的多水平迁移优化算具备更强的逃离局部最优的能力；基于蚁群的多水平迁移优化算法相比基于微粒群的多水平迁移优化算法，对收益值的启发信息更为有效地利用，取得最佳的性能改进。

By using ZW-100 water-jet loom as an example, the work principle of pump piston for water-jet looms is introduced and the design of the pump piston is carried out by the common optimization design method and fuzzy optimization design method.

以日本津田驹ZW-100喷水织机为例，在介绍喷水织机的工作原理的基础上，对喷水织机的水泵柱塞进行了普通优化设计和模糊优化设计。通过对优化结果的对比分析，得出了采用模糊优化设计优于普通优化设计的结论

While researching the optimal operation of hydropower station, it is essential toconsider the optimization of operating efficiency, vibration characteristics of unit andthe safety of electric power system meanwhile. The researches of optimal operation ofLijiaxia Hydropower Station of two-row placed units are as follows: 1. Summarizes the operation experience of Lijiaxia Hydropower Station in recentyears, analyses the demands to the operation of station, provides the problems existedand the research direction of optimal operation.

在电站的运行优化研究同时考虑电站的运行效率的优化、运行状态的优化和电网安全问题是必要的，针对李家峡双排机的水电站的优化运行问题开展以下几方面的研究：(1)总结近几年来李家峡电站的运行经验，分析电网对李家峡电站运行的要求，提出了运行存在的问题和优化运行的研究方向。

Secondly, based on the theory analysis and the establishment of the mathematical model of optimization design, uses the Optimization Toolbox in MATLAB software to optimize the parameters of double-front axle steering system and power-train with some prominent results. This provides a reasonable project for the optimization design of automobile.

其次，基于理论性分析及优化数学模型的建立，采用MATLAB软件优化工具箱对汽车双前桥转向系统参数和动力传动系参数进行优化设计，并取得了明显效果，为汽车优化设计提供了较为合理的优化设计方案。

Based on the analytical results, this paper put forward its investigative preconditions: organizational members participate in cooperation with the condition of optimizing their personal objectives; optimization of organizational objectives must be based on its members'objective optimization; members'cooperative dedications under the condition of their own objective optimization are resource restrictions of their organizational objective optimization.

根据分析结论提出了本文的研究前提：成员以个人目标优化为条件参与组织合作，组织目标优化受到成员目标优化的制约，即组织成员在个人目标优化条件下的合作投入是组织目标优化的资源约束。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。