将几何约束问题转化为数值优化问题。
It transforms the geometric constraint solving into the numerical optimization solving.
将几何约束问题转化为数值优化问题。
We transform the geometric constraint solving into the numerical optimization solving.
本文就常用的几种数值优化方法作了简要的评述。
In this paper, several commonly used methods of numerical optimization are briefly reviewed.
针对数值优化问题，提出了组织进化数值优化算法。
A novel algorithm is proposed to deal with both unconstrained and constrained numerical optimization problems.
提出了一种适用于高维数值优化问题的空间分割微粒群算法。
Space division particle swarm optimization is proposed to solve the high-dimensional numerical optimization problem in this paper.
实验结果表明该改进微粒群算法可以有效地解决高维数值优化问题。
The simulation results show that the improved PSO algorithm can solve the high-dimensional numerical optimization problem effectively.
用数值优化方法取得自适应翼型最优的舵面偏角，并计算其气动特性。
An optimization method is used to obtain deflection Angle of control surface and the aerodynamic efficiency of airfoil is calculated.
建立了方向图设计的数学模型，通过最小化代价函数来获得数值优化结果。
A mathematical model of designing a beam pattern is set up, and the method can get the optimized result by minimizing the cost function.
利用螺旋的升力线模型和变分法原理对螺旋桨叶片环量分布进行了数值优化。
The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus.
第五章讨论喷嘴结构参数及运行参数对激振效果的影响，提出自激喷嘴的数值优化理论。
In the chapter 6: the verification has been made from the experiment, and the last optimal range of structural parameters and operate parameters are confirmed.
通过遗传算法选择用以印制图像的油墨种类，采用数值优化算法解决定制油墨的图像分色问题。
Then a numerical optimization algorithm is used to compute the separations of color images with customization inks.
对GPS观测值进行统计处理与数值优化以提高GPS定位精度与准确度成为本课题研究的一大重点。
Heighten precision and veracity of GPS position with numerical process and optimization is a critical emphasis to the research.
第四章讨论空化发生前，喷嘴结构参数及运行参数对激振效果的影响，提出自激喷嘴的数值优化理论。
In chapter 4, the effects of the nozzle construction and the operating parameters to the self excitation before the cavitations actions have been discussed.
该法先将实因式分解问题转化为数值优化问题，再用基于混合杂交与间歇变异的演化算法求解该优化问题。
The proposed method transfers the real factorization problem into a numeric optimization problem, which is solved by an evolutionary algorithm based on hybrid crossovers and intermittent mutation.
对某压气机二维叶型的正问题数值优化结果表明本研究所建立的优化设计平台具有高效、可靠性好的特点。
The numerical optimization results show that the proposed numerical optimization platform works well with reasonable efficiency and robustness.
运用该平台对某NASA跨音速单级透平动静叶片及该透平静叶的叶型和弯积叠线进行多目标气动数值优化研究。
Use this platform to optimize the blades of a NASA transonic single stage turbine, the bended stacking line and the profile of this transonic stator.
最后，用数值优化中的三个测试函数对该算法进行测试，仿真实验结果显示该算法可有效地提高算法的全局搜索能力。
Finally, the algorithm is tested by three test functions of numerical optimization. The emulational experiment results show that this improved algorithm has greater probability of convergence.
针对七个典型的测试函数进行的对比分析表明本文提出的演化-单纯形算法是一种具有较高搜索效率的数值优化方法。
Some numerical tests are made by the seven typical test functions. Compared with other results, the searching ability of the proposed algorithm is more efficient.
通过多个声辐射数值优化计算算例，对比分析了三种结构修改方式的优化结果，比较可以发现加强筋的优化效果最好，重量最轻。
It is demonstrated that the structure tailoring method by adding stiffeners is the lightest way to achieve the largest reduction in acoustic radiation power.
Mochalin称，如果技术优化提升的话，这个数值还会再增加几倍。
If the technology is optimized that number could be further increased several times, said Mochalin.
该参数值较高可能会影响优化器在缓冲池使用中对比较保守的存取方案的选择。
Higher values for this parameter can influence the optimizer to choose access plans that are more conservative in buffer pool usage.
以数值文件的大小的最优化来保留带宽。
本文将曲面造型与数值计算有机的结合在一起应用到离心泵叶轮的优化设计中。
In this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.
其计算结果将为渐开线齿轮设计、参数优化选择等提供参考数据，同时为齿根应力数值分析提供了新的数学模型。
The result will offer reference data for design of involute gear and optimization of parameter choice, and offer new mathematical model for numerical analysis of root stress.
预置语句与statement类的主要区别在于，前者可以只编译和优化一次，然后通过设置不同的参数值多次使用。
The main difference is that, unlike the statement class, prepared statement is complied and optimized once and can be used multiple times by setting different parameter values.
通过实验验证了计算机数值模拟的可参照性和该优化算法的稳定性。
Finally, it proves experimentally that the computer numerical simulation is reliable and the optimal algorithm is stable.
为了在开始时就拥有优化的DB2配置参数值，使用 DB2ConfigurationAdvisor是个好方法。
One way to obtain a good starting point for the DB2 configuration parameter values is to use the DB2 Configuration Advisor.
最后通过数值计算，研究了一些重要参数对循环优化结果的影响。
The effects of some important parameters on the optimal results are investigated by detail numerical calculations.
最后通过数值计算，研究了一些重要参数对循环优化结果的影响。
The effects of some important parameters on the optimal results are investigated by detail numerical calculations.
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