All the merits mentioned above are demonstrated by the compound gear transmission ratio optimization in transmission systems.
上面提到的所有的优点,证明由传输系统中的化合物的齿轮传动比的优化。
Moreover, the profit of contrarian strategies is significantly improved when the mean-standard deviation ratio optimization allocation is used.
均值-标准差比率优化配置可以显著地提高反向策略的赢利。
Using interface graphic scheme, this paper presents the parameter optimization method for DC transmission PID controller based on expanding critical ratio method.
基于界面图形化方式,提出以扩充临界比例法为基础的直流输电系统PID控制器参数优化方法。
To pursue the proper length ratio range of the mechanism, an optimization design mathematic model is made and an example is taken to prove the feasibility of the model.
为了寻求合理的进给机构杆长比范围,建立了优化设计数学模型,并通过实例验证了该模型的可行性。
This paper proposes that Poisson's ratio of rock mass and in-situ stress are directly determined using optimization method according to measured strains obtained from bore hole stress relief process.
本文根据孔壁应力解除法获得的量测应变,提出了采用最优化方法直接确定岩体的泊松比和原始地应力。
For example, Pareto analysis, comparative analysis, ratio analysis and tendency analysis relating to cost accounting; total-cost-curve analysis relating to cost optimization.
例如成本核算涉及的帕累托分析、比较分析、比率分析、趋势分析方法,成本优化涉及的质量总成本曲线分析等。
The optical parameters of grating and intensity ratio among three beams in interferometer are derived from the view of optimization design.
从优化设计的角度求出了光栅的最佳参数以及干涉仪三束光的最佳光强之比;
In order to achieve the most effective results of TMD system applied in diminishing the vibrations, there exists an optimization problem such as the optimum frequency ratio and optimum damp ratio.
为了达到调频质量阻尼系统最佳减振效果,需要对系统的参数进行优化,即求出最优频率比和最优阻尼比。
Compared with before optimization, outcomes of optimization increase 4% in the ratio of stroke and 14.5% in the force amplification.
将优化前后的结果相比较,行程比增加4%,力的放大倍数增加14.5%。
In the foundation of the biomimetic wing's model, the modal optimization method was studied, considering different parameters such as aspect ratio and key node coordinates of wing's nervure.
在此基础上,以翅翼的展弦比和翅脉关键点的坐标为主要参数,使用有限元优化方法,对仿生翅翼的模态优化进行了初步探讨。
The examples show that the ratio method can quickly solve the OV-VRPSDP problem, and have better effect of optimization.
实例表明,比值法能够快速解决OV - VRPSDP问题,并且具有较好的优化效果。
It is pointed out that the optimization of the truck-shovel ratio of the hauling system is a key step in realizing a digitalized mine and raising the mine production efficiency.
最后指出实现运输系统车铲配比的最优化是实现数字化矿山,提高矿山生产效率的关键一步。
One method was getting the maximum and the minimum of the structural performance function by optimization, and then calculating the ratio of mean-value to deviation of the performance function.
一种方法是先优化得到结构功能函数的最大和最小值,再计算功能函数均值和离差的比值;
The structure optimization is ultimate approach to decreasing are and hot metal to steel ratio and energy consumption per ton crude steel.
钢铁工业结构优化是降低钢比系数,进而降低吨钢能耗的根本途径。
Set the height of accelerating section and decelerating section, ratio of pipe-diameter as alterable parameter, the mathematic model of structure optimization was established.
将加速段、减速段高度及其管径比作为可变参数,建立了结构优化数学模型。
In the transformation and optimization of ring cooler, the air leakage ratio is an important index for the design department and quality technology department.
在对环式冷却机的改造和优化设计过程中,漏风率也是设计部门和质量技术部门参考的一项重要指标。
With the draw ratio of aviation kerosene as the optimization objective, off-line operating optimization has been done by the plant model of process simulation.
利用流程模拟得到的装置模型,对常压塔常一线航煤进行离线操作优化,达到航煤产量最大化的目标。
After aerodynamic optimization of an unmanned vehicle with the methods mentioned above, the lift coefficient has an increase of 21 % and the ratio of lift to drag has an increase of 6. 7%.
通过优化无人机外形取得了有意义的结果,优化后升力系数增加了21%,升阻比提高了6.7%。
After single factor optimization, temperature, catalyst amount and molar ratio of methanol to oil were the important factors.
在单因素优化的基础上,确定反应温度、催化剂用量及醇油摩尔比等为显著影响因素。
In this paper, a new optimization method for calculating the blood perfusion ratio of the tongue which utilizes the infrared thermal-image is presented.
本文提出了利用人舌红外热图优化计算舌血液灌注率的方法。
Chapter 4 discusses reinsurance optimization model under sharpe's ratio and the conditions applicable, it derives more general model.
第四章讨论了夏普比率下的再保险最优化模型及其适用条件,推出了更一般的模型。
Practical cases show good optimization results with efforts in both packaging materials cost and transport volume utilization ratio.
实例证明,从包装材料成本与运输空间利用率两方面努力,可以获得比较好的优化效果。
The article specially studies the question of the lower paging success ratio, and gives an example to introduce the flow and the method of the optimization of paging success ratio.
本文专门针对寻呼成功率指标偏低的问题进行专项优化研究,并举例介绍寻呼成功率专项优化的流程和方法。
Eigenfrequency, vibration pattern and damping ratio can be got by modal experiment. Then, these parameters can be used to structural design and optimization.
通过模态试验,可以计算出结构的固有频率、模态振型、阻尼比等参数,为结构设计与优化打下坚实的基础。
Through the choice of the materials and the optimization of ratio and formulae, the invention can meet the requirements of small current, high charging efficiency and long lifetime.
本发明通过上述材料的选择及配比、配方的优化,达到高温环境下小电流高充 电效率、长寿命的要求。
The design philosophy and method for equal stress ratio of pumping rod are proposed and the corresponding software for optimization design of rod pumping parameters is compiled.
文中还提出了抽油杆等应力比的设计思路和方法,并编制了相应的机抽参数优化设计软件。
In this paper, an effective design optimization method for High-aspect-ratio composite wing skin is presented.
论文以大展弦比飞翼布局机翼蒙皮的优化设计为背景,开展了复合材料层压板结构的优化设计工作。
In this paper, an effective design optimization method for High-aspect-ratio composite wing skin is presented.
论文以大展弦比飞翼布局机翼蒙皮的优化设计为背景,开展了复合材料层压板结构的优化设计工作。
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