查询词典 optimization problem

The method uses maximum between-class variance technique,by the optimization of the niching particle swarm optimization object function,the optimal thresholds can be gotten,and the image by use of the thresholds can be segmented.

该方法基于最大类间方差阈值分割技术，用小生境粒子群算法对适应度函数进行优化，得到最佳阈值，并用该阈值对图像进行分割。

It applies the improved multi-step optimization algorithm in allocation optimization of sectionalizing switch to achieve the optimum beneficial result based on investment,maintenance and reliability costs.

使开关配置在综合考虑设备投资、运行维护费用及系统可靠性基础上得到最佳的综合效益。

Based on which Professor Chen Shouyu subdivides membership into the absolute one and the relative one, and proposes a fuzzy optimization model as well as the theory and method of fuzzy optimization dynamic programming.

基于模糊数学，陈守煜教授将隶属度细分为绝对隶属度和相对隶属度，提出了多目标系统的模糊优选模型和多目标系统的模糊优选动态规划理论与方法。

Under the condition of the following- factors concerning the optimization models:the investment cost, operating cost, unfair cost, payment evade cost, drivers" extra cost and environmental pollution cost.this paper raises the optimized models of multi-modes payment of teH collection system and its algorithm is proposed by SAGA -hybrid optimization strategy, which can simultaneously optimize the following results: the optimum locations of toll stations, numbers of toll stations, the numbers of different tolling, modes" tailgates of every toll station, ETC users discount rate.and can estimate the installation rate of TAG of every toll station.the actual traffic flow capadty of different toiigate, can obtain the best toll collection system under the different simulated decision conditions.

本文充分考虑了驾驶员缴费技术选择与缴费车道选择的特性，提出了驾驶员缴费方式随机选择模型；在考虑了收费系统的投资成本、营运成本、不公平成本、漏收成本、驾驶员的额外成本和环境污染成本等因素的基础上，提出了多收费方式收费系统的优化模型，提出采用模拟退火遗传算法进行收费系统寻优的算法，可同时优化出一个收费系统的收费站位置与数量、不同收费站不同收费方式的收费车道数和ETC用户的折扣率等参数，可估算不同收费站TAG的安装率、不同收费车道实际使用量，可模拟不同决策情境下的最佳系统资源配置方案。

The scheme includes the two aspects: the study on the whole optimization and the space trusses optimization.

该方案包括整体优化策略和空间杆系结构优化设计等两个方面。

Being aim at the optimization issue of load of antenna near ground, it combines many GA strategies and puts forward strategic meme. And it puts out co-evolution algorithm of load of antenna design. And it emulates the optimization design of load of antenna near ground. Finally, it valuates the co-evolution algorithm's efficiency on the continuum search issues of multi-variable and multi-peak value.

针对近地天线加载优化设计问题，结合多种改进GA策略，提出了策略型拟子，给出天线加载设计的共同进化算法，对有耗半空间对称偶极子天线加载优化设计作了仿真实验，验证了共同进化算法对多变量多峰连续搜索问题上的有效性。

Secondly,set up mathematical model for layout optimization and made a calculation by improved genetic algorithm to achieve COG optimization in the cross section of the aircraft,meanwhile minimized layout vessel.

首先分析了飞机总体布局方案设计阶段对重心控制的特殊要求；然后建立了布局优化的数学模型并采用改进的遗传算法进行求解，实现了飞机横截面内的重心优化，并最小化了布局空间；最后在Pro/E中建立布局仿真模型，利用搜索法实现飞机纵向重心的调节。

As to the reasonable matching between the resources needed by multi-task and M-dimensional resources offered by multiprocessing nodes, the author offered multiple dimension set partitioning optimization models, defined the function of resource balancing degree and proposed a Multiple Dimension Set Partitioning Load Balancing Resource Optimization Allocation Algorithm, which can optimize to solve the NP problems.

针对多处理群集系统中多个任务处理需要的资源和多个处理节点能够提供的m维资源间的合理匹配问题，给出了多维集合划分问题的优化模型，定义了资源均衡度函数，提出多维集合划分负载均衡资源优化分配算法，通过该算法可以得到资源匹配NP问题的较优解。

Based on the in-depth analysis and discussion the technological process and the basic principles of the alumina production process in Bayer, three mathematical models of Bayer material balance computation were proposed for practical engineering applications in different production technology, complex engineering computing problems were first converted into non-linear multi-objective optimization problems, and the above optimization algorithms were applied to solve them and achieved excellent results.

文中讨论了各种被引入的优化算法与粒子群优化算法的融合方法与步骤问题，并给出了混合粒子群协同优化算法的收敛性定理证明。

The optimization state of blood vessel wall embodied uniform strain optimization criterion.

血管壁优化状态体现了均匀应变优化标准。

Great. What repertoire did you see?

太棒了。你看的是什么剧目？

I prepared not to accept such ridiculousness:"Please," I said to him.

我可不想理会这套荒谬的东西："请你通情达理一点儿。"