The models include grouping-and-grading model and weight optimization model.
数学模型包括分组分级模型和权重优化模型。
The models include grouping-and-grading model and weight optimization model.
评估模型包括单因素评估模型和综合评估模型。
Objective To study the method for dose calculation and beam weight optimization of intensity-modulated radiation therapy (IMRT).
目的研究调强放射治疗(IMRT)剂量计算与射野权重优化方法。
Moreover, a weight optimization scheme for the multi-kernel was proposed by maximizing the Margin Maximization Criterion(MMC)based on the method of Lagrange multipliers.
进而,使用拉格朗日乘子法优化最大边缘准则(MMC),提出了多重核权值优化算法。
As discussed in this paper, additional improvements in product quality are achieved by applying technologies for temperature control, size control and coil-weight optimization.
温度控制、规格控制和卷重优化等方案的应用也使产品质量得到显著改善。
Chaotic mechanism is introduced to normal BP algorithm, and the problem of local limit value for network is solved using global moving characteristic of chaotic mechanism is weight optimization.
将混沌机制引入常规BP算法,利用混沌机制固有的全局游动,逃出权值优化过程中存在的局部极小点,解决了网络训练易陷入局部极小点的问题。
By introducing the extension theory of hierarchy eigenvalue, the weight calculation will be solved by conversing it into the optimization problem; it is a new meaningful exploration.
引入可拓学等级特征值的概念,将权重计算问题转化为优化问题来解决是一个新的有意义的探索。
Then, for tradition matrix clustering algorithm carries on the optimization, improved as weight matrix cluster algorithm.
然后,对传统的矩阵聚类算法进行优化,改进为权值矩阵聚类算法。
The frequency optimization is to optimize the network has a role in the severity of the basic weight lifting work.
其中频率优化是对网络优化有着举重轻重作用的基础性工作。
Optimization design method based on fuzzy fiduciary level is proposed to reduce deepsea high pressure airtight cabin weight.
为了减轻深海高压密封舱的重量,提出基于模糊可靠度的优化设计方法。
Calculation essence of reasonable cable force is equivalent to optimization calculation on force status of cable-stayed Bridges under dead weight.
合理成桥索力计算实质是斜拉桥恒载受力状态的优化计算。
As the target function of the optimization model, the system entire efficacy was calculated by power index and fuzzy weight methods.
采用幂指数法结合模糊权重评价法计算系统总体效能,并以此作为优化的目标函数。
Converting the convex optimization question to simple one dimension search, we get the effective method to settle the optimal weight coefficient.
通过转换该凸最优的约束方程为简单的一维搜索,提出了最优加权系数的有效求解方法。
Topology optimization design of minimum weight cantilever trusses subjected to stress constraints is studied.
研究了应力约束下最小重量悬臂梁桁架结构的拓扑优化设计。
By use of FEA method, the results showed that topological optimization design of components in automatic weapons is an effective method to reduce the weight.
运用有限元法对自动武器零部件进行拓扑优化设计是一种自动武器减重设计的有效方法。
By applying the principle of optimization medical care, putting prevention and early interventional treatment to low birth weight infants,.
通过运用诊疗最优化的原则,对低出生体重儿进行预防,及早干预治疗,可提高其生命质量。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
Topology optimization is used during the design process to solve the problems of weight restriction and material distribution in construct design of air-bomb computer.
为了解决机载计算机零件结构设计过程中出现的材料分布不合理及重量要求苛刻等问题,在设计过程中引入拓扑优化。
The stability of ship deck grillage is analyzed by means of transport matrix technique and minimal weight of the structure is obtained with multilevel optimization method.
本文运用迁移矩阵法进行甲板板架稳定性分析,并用分级优化方法作结构最小重量设计。
In order to reduce the weight of an aerial telescope main structure, a topologic optimization design method of the aerial telescope main frame was presented.
针对某航空望远镜主结构的重量过高的问题,提出了对航空相机望远镜主框架进行拓扑优化设计的方法。
Especially in order to give index's weight correctly, a new method is put forward based onthe generalized maximum entropy principle and optimization theory.
特别针对指标权重的确定问题,提出了基于广义最大熵原理和优化理论的新赋权方法。
To effectively reduce the injection-machine mould-board weight, sequential optimization design method starting from high level topology optimization to low level parameter optimization was proposed.
为了有效地降低注塑机模板的重量,提出了从高层次拓扑优化到底层次参数化优化的顺序优化设计方法。
According to weight coefficient of binary variable, discrete variables can be gradually determined in optimization process, and their discretization can be realized during iteration successively.
并且,在优化过程中根据二进制变量的权重系数逐步确定离散变量的取值,实现了离散变量在优化过程中的逐次归整。
Compared with the conventional optimization results, it is showed that the weight and the volume of heat exchanger optimized in this paper are both reduced.
与传统的优化计算结果比较,换热器的重量和体积都有不同程度的减小。
Second, the topology optimization model with weight objective and frequency response constraints is formulated.
再建立考虑重量目标及结构频响峰值约束的阻尼材料配置拓扑优化模型。
Methods By analyzing the adaptive optimization algorithm of weight order statistic filter, the adaptive optimization algorithm for rank selection filter has been derived.
方法分析加权顺序统计滤波器的优化算法,由此导出秩选择滤波器的自适应优化算法。
Taking structure weight as objective function, the optimization model of overweight breech of a type of automatic weapon was established, and its structure topological optimization was performed.
以结构质量为目标函数,建立了某自动武器超重部件枪尾的优化模型,进行了结构拓扑优化。
Here presented a new multilevel optimization procedure for minimum weight design of composite structure.
本文提出复合材料结构优化设计的一种新的多级优化设计方法。
With combination of FEA and optimization design, reducing the spindle box's weight as the optimum design with two practical and efficient optimization design methods.
将有限元方法和优化技术相结合,对主轴箱结构应用两种实用、高效的优化设计方法进行以减重为目标的优化。
With combination of FEA and optimization design, reducing the spindle box's weight as the optimum design with two practical and efficient optimization design methods.
将有限元方法和优化技术相结合,对主轴箱结构应用两种实用、高效的优化设计方法进行以减重为目标的优化。
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