查询词典 combinatorial optimization problem

First, an optimization algorithm based on the constant linear velocity mathematical model of the camshaft was proposed according to the least square method to finish the curve optimization and simulation, and the fluctuations of the speed and acceleration curves were reduced.

根据凸轮轴恒线速加工的数学模型，提出一种基于最小二乘法的速度优化算法，对加工过程运动曲线进行优化仿真，得到了波动较小的速度曲线并减小了联动轴加速度的跳动。

The LM Algorithm is used in parametric automatic optimization of the transformation matrix in Image Mosaic. After parametric automatic optimization of corresponding points, the transformation matrix is quickly got, and then the image mosaic is realized.

将LM算法应用于图像拼接过程中变换矩阵的参数自动优化中，通过对多个对应点的自动优化后，可以较快得到变换矩阵，从而实现图像拼接。

An optimization model was established for identifying the soil hydraulic properties. The optimization objective was the minimum mean square deviation of simulation between measured and observed values of soil water content, and the constraint conditions were the upper and lower limit values of empirical soil hydraulic conductivity and water diffusion coefficients.

该文以反映土壤含水率实测值和计算值吻合程度的均方差最小为优化目标，以土壤导水率和扩散率经验参数上下限为约束条件，建立了土壤水分运动参数识别的优化计算模型。

The twenty-first century is the city century. With cities growing rapidly, urban human settlements faces a series of rigorous challenges and the optimization of urban human settlements becomes more obvious and more important. Especially, the optimization of the human settlements of big city can accelerate the melioration of the whole system of human settlements.

21世纪是城市千年，快速增长的城市面临着一系列人居环境问题的严峻挑战，城市人居环境优化愈益突显，其中，大城市人居环境的优化研究对整个人居环境体系的改善有着良好的促进和示范作用。

Experimental simulation results demonstrate that dynamic probabilistic particle swarm optimization with the varying neighborhood topology can solve complex optimization problems and escape from local optimal solutions efficiently.

实验结果表明，基于多簇结构的可变拓扑策略在求解复杂优化问题时优势明显，可以有效地避免算法陷入局部最优，在保证收敛速度的同时增强了算法的全局搜索能力。

Finally, according to the various properties of the optimization algorithms, the optimization algorithms have been applied to predicting the silicon content of hot metal and to optimizing the operation parameters of the blast furnace to meet the need of the higher hot metal output and the lower coke rate. Major research work in this paper includes:(1) Based on the study of the statistic property of the Logistic chaos map, the author has proposed the nested intervals chaos search method which improves the ergodicity of the chaos search by searching the area once more where the probability distribution is small.

高炉炼铁生产是一个复杂的非线性过程，高炉生产操作参数的优化涉及优化模型的建立、多目标优化、约束条件的检验等多个问题，对于这么一个复杂的优化问题，传统、单一的优化方法已存在局限性，因此本文研究了两种新型的具有不同特点的优化方法：基于混沌理论的优化方法和基于人工免疫理论的优化方法，并设计了几种混合优化方法。

The optimization of ferment, preparation of immobilized cells, optimization of bioconversion and extraction of nicotinamide were studied in this paper.

本论文中主要研究烟腈水合酶发酵工艺的优化、固定化细胞的制备、固定化细胞生物转化烟腈生产烟酰胺的工艺优化、烟酰胺的提取工艺。

As the parameters are numerous in non-rigid registration model, the particle swarm optimization algorithm is selected to achieve exploration and exploitation in the whole feasible space accurately and fleetly for the unknown parameters of nonrigid transformation. Particle swarm optimization algorithm has the characteristic of fast global searching for the optimal, but it is restricted in applications by the inclination of its particles falling into premature convergence.

在非刚性图像配准的框架下，提出应用Wendland紧支径向基函数作为参数化的空间变换模型，并针对非刚性配准模型的未知参数量大的问题，提出应用全局化的粒子群优化算法对整个可行性空间进行快速而准确的探索和挖掘，以求得非刚性变形的未知参数。

This article takes the Lan-Cheng-Yu product oil transportation pipeline as an example, describing the idea of product oil batched transportation's transportation circle and oilcan cubage optimization design. That is to adopt trial and error method, which contracts only those could affect the optimization result and forgets the other aspects of the pipeline. Within the design life of the pipeline, the method's dynamic economic analysis is taken to decide the optimum transportation circles and the total oilcan cubage needed for the whole line.

本文以兰-成-渝成品油输送管道为例，介绍了成品油输送管道的顺序输送批次和罐容优化设计思想，即采用试算法，将管道中相同部分不参与经济比较，对优化结果有影响的部分参与比较，在管道设计寿命期内，进行方案的动态经济分析，以确定最优的循环次数和沿线需要设置的储罐容量。

The software was analyzed and designed using OOM, and was divided into some modules such as optimization model and optimization algorithms.

利用面向对象方法对该软件进行分析和设计，将其分为优化模型、优化算法等几个模块。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。