查询词典 model theory
- 与 model theory 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the current study in China through the property services industry pricing model research and analysis, these two find the current property services pricing of existing problems and shortcomings, that China\'s property services pricing requirements, the property services industry focus on Hotelling Model of a practical method of analysis, in reference to the Hotelling model based on the combination of game theory and the theory of economics and characteristics of China\'s property services can be established as far as the property owners of both enterprises and service needs as much as possible To meet the price model, on the basis of our property services business of the new pricing model.
在研究中通过对现行中国物业服务行业的定价模式的研究分析,找到目前这两种物业服务定价方式存在的问题和缺陷,得出对于中国物业服务定价的要求,重点对物业服务行业对霍特林模型研究方法的实用性进行了分析,从而在参考霍特林模型的基础上,结合博弈论和经济学的相关理论以及中国物业服务特点建立能够尽量让物业服务企业和业主双方需求尽可能达到满足时的价格模型,在此基础上探讨我国物业服务企业定价的新模式。
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Selecting corresponding rolling force model, the paper make an experiment and studies on cold rolled paper-thin strip processing characteristics of sixteen-roll rolling machine based on cold-rolled theory aand forms corresponding rolling model, tension model and moment calculation model .And comes to a conclusion that distortion force and press utmost have a large effect on rolling force and paper-thin strip shape, primarily presenting paper-thin strip rolling subarea theory that rolling force decreases corresponding to the thick decrease of strip but increases rapidly when to a certain thick.
结合带钢冷轧基本理论,选用适当的轧制压力模型,针对十六辊轧机轧制极薄带钢时的工艺特点进行了实验和分析,建立了相应的张力模型及辊系传动力矩模型;并得出变形抗力及压靠对轧制极薄带钢时的轧制力和板形有很大的影响,初步提出了当带厚较大时,为保持板形良好,随着轧件厚度的减少,轧制压力相应降低,当轧制到一定厚度时,轧制压力随着带厚的减少急剧增加的极薄带轧制分区理论。
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Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows:①reviewed entirely the origin and evolvement of the concept "sustainable development", stated and commented the study status in queue on"sustainable development"around national and international range, thorough discussed the science connotation about the concept "sustainable development";②looked back and commented across-the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings;③expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory;④thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the MATLAB software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the B-J method and Morte-Carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources;⑤synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming, mathematical statistics, random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality;⑥analyzed the inside condition and outside condition to assure the sustainable and optimum exploitation of groundwater resources, the inside conditions are the follows: correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows: the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water-saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology;⑦scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy;⑧point out the more directions on groundwater resources.
它将为制定水资源的可持续发展目标和战略决策提供科学依据,为制定社会、经济可持续发展战略提供理论基础。基于以上考虑,论文主要从以下几方面对地下水资源可持续开发问题进行了比较深入的探讨:①全面回顾了"可持续发展"概念的由来与演变,对国内外"可持续发展"的研究现状进行了述评,并对"可持续发展"概念的科学内涵进行了深入探讨;②对涉及地下水资源的一些最基本的概念和命题进行了全面的回顾和评述,对目前仍然存在的一些错误观点和混乱认识提出了自己的见解;③全面阐述了地下水资源变值系统理论的内容和意义,并与传统的地下水资源计算评价方法进行了对比分析,结合实例具体说明了方法的应用;④深入分析了地下水资源预测预报工作的极端重要性和复杂性,对传统的地下水资源动态预测方法进行了全面的评述,指出了各类预测预报方法的特点及适用条件,对最近二十多年刚发展起来的小波分析技术的主要思想和方法及其应用范围,以及号称第五代计算机语言的MATLAB软件和附带的小波分析工具箱进行了介绍,并应用于地下水动态过程线的分析,采用时间序列中的B-J法,蒙特卡罗方法,与地下水资源变值系统理论相结合,探讨了地下水动态资料分析和地下水资源预测预报的新思路;⑤综合分析了现今各类地下水管理模型的特点及缺陷,将数学规划、数理统计、随机过程等与地下水变值系统理论相结合进行地表水地下水或多水源的联合优化调度,使模型更准确、更实用;⑥对保证地下水资源可持续开发的内部条件和外部条件进行了分析,内部条件主要是正确的资源观,科学的资源计算与评价方法,可靠的资源预测预报技术,可操作的资源管理措施,外部条件主要是高层发展思路、管理体制的变革、配套的政策法规、经济杠杆的调节、人文素质的提高、节水意识的增强及具体节水措施、人口增长的控制、水体污染的防治、生态的恢复和重建等;⑦从宇宙科学、地球系统科学及哲学的高度审视地下水资源的可持续开发;⑧指出了地下水资源可持续开发的进一步研究方向。
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Relationship between IL and relevant network parameters is presented by network theory. Network structure of EMI power line filter and its computation method for IL are discussed. Common mode and differential mode equivalent circuit model of single-phase power line filter and the high frequency distribution parameters model of filter device are established. Meanwhile, the main characters of soft ferrite are analyzed, and its implement on the EMI power line filter and its equivalent circuit model are given. According to the preceding theory, the software for IL of power line filter and the design of filter inductor are programmed. The difference between the imitative and practical results is analyzed, and the rational of the equivalent circuit model is tested.
文中应用网络理论分析了EMI电源滤波器的插入损耗与相关网络参量的关系,讨论了EMI电源滤波器的基本网络结构及其插入损耗的计算方法,建立了单相电源滤波器的共模及差模等效电路模型及滤波器件的高频分布参数模型,然后分析了软磁铁氧体材料的主要性质,讨论了软磁铁氧体在EMI电源滤波器中的应用,建立了软磁铁氧体磁芯的等效电路模型,最后根据以上理论编制了滤波器插损分析软件和滤波电感设计软件,并对软件仿真结果与实际测试结果进行了对比分析,验证了各个等效电路模型的合理性。
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With the development of the theory of constitutive model of soil, the elastic constitutive model was displaced by some non-linear constitutive models such as the Duncan-Chang model, Cam-clay model, etc, which leads to that the Biot′s consolidation theory has developed from elastic into nonelastic.
随着对岩土本构关系研究的深入,经典Biot理论中土体采用弹性应力应变关系的假定逐渐被一些非线性本构关系取代,如Duncan-Chang模型、剑桥模型等,将Biot固结理论由线性推向了非线性。
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Based on analysing the respective characteristics of regular PID controller in trational control theory and fuzzy logical controller in intelligent control theory, the idea and technique of expert system is introduced to develop a novel kind of hybrid intelligent controller. It can coordinate two kinds of control algorithms and tune the control parameters on-line for different working zones of the controlled process.(3) The hybrid knowledge expression model, which combines discrete state space model, fuzzy relational model and rule base model, is proposed based on analysing the characteristics of all kinds of knowledge expression models. The knowledge of the controlled process in different aspects can be expressed resonably by it. Based on the model mentioned above, the related optimization strategy for complex system is developed.
本文的主要贡献体现在:(1)以炼油厂的催化裂化装置和钢铁联合企业的大型焦炉装置两个典型的复杂工业过程为例,分析了工业大系统的许多不易控制的特性,并归纳了其中的几个典型特征;(2)针对经典控制理论中的常规PID调节器和智能控制技术中的模糊逻辑控制器各自的特点,通过引入专家系统的思想和方法,开发了一类混合式专家控制器,它同时具备在线协调两种不同控制规律和自动学习控制规则的能力;(3)通过分析各种知识表达模型的特点,提出了一类包括离散状态空间模型、模糊关系模型和规则基模型在内的混合知识表达模型,它能对过程知识在各个不同侧面给予合理的描述。
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This paper, which focused on the structure optimization theory and method, has finished such studies as follows: The three dimension model has been built, which provide the necessary conditions for the building of the dynamics equivalent model. By the launch dynamics simulation, the loads of the key joints when the rocket is launched has been got, which provide the necessary data for the finite element analysis and the structure optimization. The finite element model of the excess weight parts of the rocket has been built, buy the finite element intension analysis of the model in two conditions, the displacement and the stress of the key points have been got, which make us know the distributing of the stress and the transmogrification of the part. To satisfy the intension and the precision design request and to decrease the weight of the part as many as possible, the part has been topology optimized by the structure optimization theory and method. After that, the new model has been analysis in structure and launch dynamics. The contrast of the character change of the old part and the new part and the influence on the rocket system have been studied.
本文以结构优化理论和方法为核心,主要做了以下工作:建立了某自行火箭炮全炮三维实体模型,为建立该火箭炮系统的动力学等效模型提供了必要条件,进行了发射动力学仿真,得到该火箭炮发射装置各关键连接部位在发射状态下的载荷,为有限元分析和结构优化提供了必需的数据;建立了该火箭炮发射装置超重部分的有限元模型,分两种工况,对模型进行了有限元强度分析,得出了关键部位的位移和应力值,对其的应力和变形分布有了具体的了解;运用结构优化的理论和方法,对该火箭炮发射装置超重部分进行了拓扑优化,使其在满足强度和精度的要求下尽可能多地减轻重量,对优化后得到的模型进行了结构分析和发射动力学分析,对比了该部件优化前后的特性变化以及对火箭炮系统的影响。
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Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows:①reviewed entirely the origin and evolvement of the concept "sustainable development", stated and commented the study status in queue on"sustainable development"around national and international range, thorough discussed the science connotation about the concept "sustainable development";②looked back and commented across-the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings;③expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory;④thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the MATLAB software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the B-J method and Morte-Carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources;⑤synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming, mathematical statistics, random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality;⑥analyzed the inside condition and outside condition to assure the sustainable and optimum exploitation of groundwater resources, the inside conditions are the follows: correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows: the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water-saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology;⑦scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy;⑧point out the more directions on groundwater resources.
它将为制定水资源的可持续发展目标和战略决策提供科学依据,为制定社会、经济可持续发展战略提供理论基础。基于以上考虑,论文主要从以下几方面对地下水资源可持续开发问题进行了比较深入的探讨:①全面回顾了&可持续发展&概念的由来与演变,对国内外&可持续发展&的研究现状进行了述评,并对&可持续发展&概念的科学内涵进行了深入探讨;②对涉及地下水资源的一些最基本的概念和命题进行了全面的回顾和评述,对目前仍然存在的一些错误观点和混乱认识提出了自己的见解;③全面阐述了地下水资源变值系统理论的内容和意义,并与传统的地下水资源计算评价方法进行了对比分析,结合实例具体说明了方法的应用;④深入分析了地下水资源预测预报工作的极端重要性和复杂性,对传统的地下水资源动态预测方法进行了全面的评述,指出了各类预测预报方法的特点及适用条件,对最近二十多年刚发展起来的小波分析技术的主要思想和方法及其应用范围,以及号称第五代计算机语言的MATLAB软件和附带的小波分析工具箱进行了介绍,并应用于地下水动态过程线的分析,采用时间序列中的B-J法,蒙特卡罗方法,与地下水资源变值系统理论相结合,探讨了地下水动态资料分析和地下水资源预测预报的新思路;⑤综合分析了现今各类地下水管理模型的特点及缺陷,将数学规划、数理统计、随机过程等与地下水变值系统理论相结合进行地表水地下水或多水源的联合优化调度,使模型更准确、更实用;⑥对保证地下水资源可持续开发的内部条件和外部条件进行了分析,内部条件主要是正确的资源观,科学的资源计算与评价方法,可靠的资源预测预报技术,可操作的资源管理措施,外部条件主要是高层发展思路、管理体制的变革、配套的政策法规、经济杠杆的调节、人文素质的提高、节水意识的增强及具体节水措施、人口增长的控制、水体污染的防治、生态的恢复和重建等;⑦从宇宙科学、地球系统科学及哲学的高度审视地下水资源的可持续开发;⑧指出了地下水资源可持续开发的进一步研究方向。
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The innovations of the thesis have been shown in several aspects as follows: put forward the transfer mechanism model of the landslide thrust on basis of the soil arching theory, and according to the model the formula about how to compute the thrust acting on the pile and the maximum pile spacing have been deduced. Set up the displacement model about the interaction of the pile and landslide, and their relatively displacement can be taken into consideration when computing the pile, thus the limitation of supposing the distribution of landslide thrust has been avoided, at the same time, the applied condition of the model and the computing procedure have been given. Bring forward the improved computing method of the anti-sliding pile with prestressed cable, which has been verified rational and applicable, making the method more perfectly in theory. Through the study on the mechanical model of the foundation beam with prestressed cable, put up the limit design idea of the structure, and the realization procedure of the idea has been given and programmed with the finite element, which leads to a new thinking for the safe and rational design of the foundation beam with prestressed anchor cable.
本论文的创新之处在于,用土拱理论建立了滑坡推力在抗滑桩与坡体之间的传递机制模型,并由此得到了作用于抗滑桩上的滑坡推力计算式以及最大桩间距的确定条件式;建立了抗滑桩与滑坡体相互作用的位移模型,该模型能考虑桩与坡体相互作用过程中二者相对位移的影响,避免了人为假设滑坡推力分布形式的缺陷,给出了其适用条件和计算过程;提出了预应力锚索抗滑桩的改进计算方法,使得预应力锚索抗滑桩的计算理论更加完善,通过实例验证了该方法的适用性和合理性;在预应力锚索地梁力学计算模型研究的基础上,提出了预应力锚索地梁极限状态设计的新思想,给出了该设计方法的实现途径并编制了有限元计算程序,为锚索地梁合理而安全的设计提供了一种新思路。
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Introduce the cohesion-friction model of rock strength theory, and extend the model to select the strength of sliding plane, discuss the variation rules of peak strength and residual strength under different normal stress, and then present the selection model of shearing strength. After the result of cohesion-friction model is compared with Coulomb Criterion, it is found that when the results of shearing strength are many and adjacent the strength parameters can not be regressed by least square method, instead the results should be divided into some beelines at that time according to the cohesion-friction model.(4) Discuss the characters of hard structural plane and weak structural plane: The adhesive friction theory is applied to research the changing course of shear area of hard structural plane and its influence on shear stress.
3介绍了岩石强度理论中的粘接摩擦模型,运用此模型分析依附型滑动面的演化过程,并将其推广到边坡岩土体抗剪强度的选取,讨论了不同法向应力下峰值强度和残余强度随法向应力的变化规律,在此基础上给出抗剪强度的选取模式,讨论了对实际取值结果的影响,并与传统的Coulomb准则进行了比较分析,指出直剪试验的法向应力在小应力区的点较多且抗剪强度结果差异不大时,不宜直接运用最小二乘法回归抗剪强度参数,此时应结合粘接摩擦模型对结果进行线性分段。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?