查询词典 optimization problem

After that according to conclusion of real checkout four surfaces by the curve log mathematics model the peeling optimization mathematics model is set up. Then comparison total solving the key technology and theory problems for the peeling veneer process from the beginning of changer the log centering checkout and the data procession to the final centering optimization process.

随后根据实测原木四个截面检测的结果，根据弯曲原木的数学模型建立起旋切定心优化的数学模型，从而比较完整地解决了旋切原木从上木、定心检测、数据坐标转换处理到优化定心过程中的主要关键理论、工艺问题。

On the point of structure optimization, focusing on the optimization to the quantity factor of silicon cantilever, three kind of power attenuation which effect the Q value and the measure taken to lower the power loss are analysed systematically, and finally a high Q value silicon cantilever resonator with an actual Q reaches 540 is developed.

在结构的优化方面，着重对硅梁谐振器的品质因数进行了优化设计，系统地分析了影响Q值的三种能量损耗形式，研究了为减小其能量损耗而采取的措施，最终设计出在检测条件下实际Q值达540的高Q值硅梁谐振器。

Ant Colony Algorithm is a new developed bionic optimization algorithm,which simulates the ants'finding food process.Because of its simple mechanism,plus-feedback parallelization,strong lustiness and excellent distributed computational mechanism,it has shown huge developing potential in solving many complicated optimization problems.

蚁群算法是一种最新发展的模拟昆虫王国中蚂蚁觅食行为的仿生优化算法，该算法具有较强的鲁棒性、优良的分布式计算机制、易于与其它方法结合等优点。

Promotion to promote optimization of the overall corporate marketing strategy, providing SMEs with e-marketing, website optimization, website promotion, targeted mass-marketing message , and WAP promotional message.

提倡整体企业营销优化策略，为中小企业提供电子营销，网站优化，网站推广，短信群发针对性营销，和WAP短信的推广。

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。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。