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Its theory is: evaluate periodical by various methods, and then make the results standardization, select the extreme value of these results as the final score of periodical. The research indicates that it is must been used carefully to calculate weight by combined assessing method; assessing methods based on order can't been used to combine; combined assessing based on extreme value method is propitious to establish harmonious relationship between assessor and assessee.

其原理是,首先选用各种可行的评价方法进行评价,然后将评价结果标准化,将同一期刊不同评价结果的极大值作为该期刊的最终评价结果,取得了较好的效果,研究表明,采用组合评价进行权重计算必须慎重使用;基于秩序的评价方法不能用于组合;基于极值法的组合评价方法有利于建立和谐的评价者与被评价者关系,结果容易得到公认。

Targeted at maximizing the market surplus, we established both a fixed merchandise combination model and an uncertain merchandise combination auction model. A "queue list" method is put forward to solve the fixed merchandise combination vector's auction model, and discussed the pricing methods of different final prices. Additionally, we discussed the auction contract-matching algorithm of the unit combinations vector.

以市场盈余最大为目标建立常商品组合向量的拍卖模型和不确定商品组合向量的拍卖模型,提出"队列表"法求解常商品组合向量的拍卖模型,讨论不同成交价的定价方法,并对只有两种商品组合的不确定商品组合向量的拍卖进行拍卖合同的匹配分析,讨论了单位商品组合向量的拍卖的合同匹配算法。

The 5th chapter studied the crucial problem of floating detection application, develop the traffic flow information collection technology based on GPS, put forward the general principle and optimization method of the floating detection minimum sample size, and simulate several sample size scenarios of floating detection on the city road with the microscopic simulation software The 6th the combination application optimization of the dynamic traffic flow information collection technology, put forward the necessariness of combination application optimization, then analysed the principle and work steps of combination application optimization design, finally gived an example for the combination application optimization.

第五章是移动型检测器应用的关键问题研究。本章对移动型检测器的空间布置问题进行了研究,设计研究了基于GPS的动态交通流信息采集技术,提出了移动型检测器最小样本量确定的一般原则和方法,并利用微观仿真模拟软件进行了模拟分析。第六章是动态交通流信息采集技术组合应用优化设计研究。本章首先提出了进行动态交通流信息采集技术组合应用优化设计的必要性,然后分析了组合应用优化设计的原则,设计了组合应用优化设计的工作步骤,并举例分析了动态交通流信息采集技术组合方案的优化设计方法。

The 5th chapter studied the crucial problem of floating detection application, develop the traffic flow information collection technology based on GPS, put forward the general principle and optimization method of the floating detection minimum sample size, and simulate several sample size scenarios of floating detection on the city road with the microscopic simulation softwareThe 6th the combination application optimization of the dynamic traffic flow information collection technology, put forward the necessariness of combination application optimization, then analysed the principle and work steps of combination application optimization design, finally gived an example for the combination application optimization.

第五章是移动型检测器应用的关键问题研究。本章对移动型检测器的空间布置问题进行了研究,设计研究了基于GPS的动态交通流信息采集技术,提出了移动型检测器最小样本量确定的一般原则和方法,并利用微观仿真模拟软件进行了模拟分析。第六章是动态交通流信息采集技术组合应用优化设计研究。本章首先提出了进行动态交通流信息采集技术组合应用优化设计的必要性,然后分析了组合应用优化设计的原则,设计了组合应用优化设计的工作步骤,并举例分析了动态交通流信息采集技术组合方案的优化设计方法。

So the method is more convenient to be implemented than the modified combined homotopy method as well as the combined homotopy interior point method and the aggregate constraint homotopy method under weak normal cone condition.

因此动边界组合同伦方法比修正组合同伦方法及弱法锥条件下的组合同伦内点法和凝聚约束同伦方法更便于应用。

The results indicate that different approaches and product strategies have little effect on the estimates, but the partially constrained approach and the unconstrained approach (except for the one-pair strategy) produce fewer fully proper solutions, more bias and greater root mean square error for smaller sample sizes or poor reliability of the indicators.

结果显示,四种方法与交乘项策略对估计影响不大,但部分限制式方法於三种配对组合、未限制式方法於两两配对与所有配对组合,在适当解比率与参数估计评估表现皆较其他组合差,以小样本或外生潜在变项负载量低时尤为明显。

On the basis of first and second part, the third part discussed the methods application in the strategic investment case, validating the evaluating method of compound real-options is practicably in the investment decision under uncertainty.

第三部分是对于组合实物期权评估方法的案例分析。论文将组合实物期权评估方法应用于以ABC公司战略性投资为背景的案例中,验证了组合实物期权评估方法在不确定条件下投资决策中所具有的实用性。

On this basis, according to historical data, apply ANN and differential simulation method to get the quantitatively correlative relations between each production and its own influence factors, and introduce the new methods of prediction for dynamic indexes with gas-field development (The combinatorial prediction method based on fuzzy comprehensive evaluation, the method of ANN to select optimally combinatorial prediction models and the ANN prediction method based on genetic algorithm).(2) Base on mathematical programming, combine with quantitative economics and techno-economics, introduce economical indexes to establish production"s distribution optimal model, production"s constitution optimal model and measured production"s constitution optimal model, including multi-objective models and five-years models. Upon this, the optimal project for all gas field and each gas-collected factory can be got. Also, introduce the time value of capitals to improve on these models.(3) Base on the optimal solution theory and algorithm theory for the nonlinear programming problem, introduce the SUMT algorithm and genetic algorithm to study how to solve the models, and on the basis of normal genetic algorithm, make use of auto-adaptively modulating method to improve on normal genetic algorithm; Base on algorithm"s convergence theory and calculation"s complexity theory to analyze seriatim SUMT algorithm"s convergence and genetic algorithms convergence, and compare performance with each other.

在此基础上,利用神经网络方法和微分模拟方法根据历史数据得到各分项产量与其影响因素之间的定量关联关系,并引入气田开发动态指标新的预测方法(基于模糊综合评判的组合预测方法、神经网络优选组合预测模型预测方法以及基于遗传优化的神经网络预测方法);(2)以数学规划为基础,结合数量经济学和技术经济学,引入经济指标建立产量分配优化模型、产量构成优化模型、措施产量构成优化模型、气田开发多目标规划模型以及五年规划模型,进而获得全气田及各采气厂的最优方案,并引入资金时间价值对五年规划模型进行改进;(3)以非线性规划问题的最优解及算法理论为基础,引入SUMT算法以及遗传算法对模型的求解进行研究,并在原有的遗传算法基础上,引入自适应调整方法对遗传算法进行改进;以算法的收敛性理论和计算复杂性理论为基础,逐一分析SUMT算法以及遗传算法的收敛性,并比较三种算法的优劣性。

In theory, firstly, the numerical simulation methods, such as the boundary element method, the finite difference method and the finite element method, were utilized to calculate the distribution of electric field intensity and potential of the electron-gun system, the focusing system and the whole equipment, respectively. Then, the trajectories of the electron-beam were traced by using of the Runge-Kutta method and the Monte-Carlo method associatively. The point spread function was also calculated.

在理论分析中,先后采用边界元方法、差分方法、有限元方法等科学数值计算方法,编制程序,对X射线源的电子枪发射系统、聚焦系统以及发射系统与聚焦系统的组合系统等的电场分布进行了严格的计算,在准确求得各系统电场内各个剖分点的电场场强、偏导数等参量的基础上,采用蒙特-卡罗模拟方法和不等距龙格-库塔方法相结合,追踪由LaB_6单晶阴极表面发射出的大量电子束在电场内的运动轨迹,求出点扩展函数,并根据点扩展函数的优劣,反复调节、大量计算对比,挑选出X射线源最佳的电极结构及其组合。

This paper presents the portfolio selection problem of two-attribute money and creates a model of portfolio selection based on two-attribute money, which can both contain the existing portfolio models and overcome the above-mentioned deficiencies. A series of new concepts is put forward, such as, holding wealth, obtainable wealth, short-term utility function, short-term expectation-variance utility function, state-expectation-variance utility function, short-term expectation-variance utility curve, long-term expectation-variance utility curve, margin utility contribution force, additional contribution force, profit-risk exchange rate and optimal portfolio expansion curve; The state-expectation-variance analytical method is developed from the expectation-variance analytical method; A set of systematic theories concerning two-attribute portfolio selection is thus established.

本文提出了两属性货币的证券组合选择问题;创建了既能包含现有证券组合选择模型又能克服上述两点不足的两属性证券组合选择模型;提出了持有财富、可获财富,短期效用函数,短期期望—方差效用函数、状态—期望—方差效用函数,短期期望—方差效用曲线、长期期望—方差效用曲线,边际效用贡献力,附加贡献力,收益—风险替换率,最优证券组合扩展线等一系列新概念;把期望—方差分析方法发展成状态—期望—方差分析方法;建立了两属性证券组合选择模型的一套系统的理论。

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推荐网络例句

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。