查询词典 multi-valent function

A class of bilevel multi-objective programming was converted into the problem of equivalent single-level multi-objective programming. Then a new chaos genetic optimization algorithm was presented by using the inversion property of genetic algorithm and the ergodic property of chaos optimization method and combining with the exact l_1 penalty function.

针对求解一类二层多目标规划问题，首先将其转化为等价的单目标规划问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

According to the theory created for the generalized multi-pole technique (in domain of half-analytical method), the center of each circle is determined as a starting point of each variable in a series expansion of the 2D-field solution function, and the arranging blank of the starting points in the generalized multi-pole technique can be filled up owing to the precise variable positioning.

根据为广义多极技术创建的理论体系，这些极点确定了解函数在级数展开式中各变量的起点。正因为这些变量的准确定位，不仅克服了广义多极技术中极，点位置设置的盲目性，而且提高了解的计算效率和计算精度。

In the field of multi-machine communication, MCU have a flexibleand efficient multi-machine communication function, so itsapplication is more and more extensive. But, because the SCM signalare TTL level, the limited capacity of driver and anti-jamming, inPractical application, used with other bus.RS485 bus is one ofthem.

在多机通信领域，由于单片机具有灵活高效的多机通信功能和价格优势，应用越来越广泛，但由于单片机的收发信号都是TTL电平，驱动能力和抗干扰性有限，实用中常配合其它总线实现互联，RS485总线就是其中之一。

The company provides the precision electronic switch type: leaf switch,rest switch,tact switch,multi-functional switch,swing switch,slide swtich,micro switch,encoder,push key switch,toggle switch,push switch and Matched with various types of switches each series switch keycap,all type jack:2.5/3.5 phone jack,6.35 jack,DC power jack,usb/hdmi jack,AC power jack,S terminal and so on, the company provides the precision electronic connector type: FFC / FPC flat cable connector, BTOB connector, all kinds of memory card connector: Micro SD, SD, MMC, XD, MS, SM, CF card and a single all-in-one deck, etc., switches Products: Tact Switch, multi-function switch, DIP switch, key switch, button switch series, etc.

公司提供各类高品质电子开关：叶片开关、复位开关、轻触开关、多功能开关、摇头开关、拨动开关、微动开关、编码器、按键开关、按钮开关及与各类开关相配套的开关键帽；插座：2.5/3.5耳机、6.35插座、DC电源插座、USB/HDMI插座、AC电源插座、S端子等；精密电子连接器：FFC/FPC扁平电缆连接器、板对板连接器；记忆卡座：MicroSD、SD、MMC、XD、MS、SM、CF单卡及多合一卡座等。

Hubei Dongfeng special type car, production and sales of Dongfeng dump truck, road Wrecker (Tow Wrecker type of road, flat road of a drag-II Wrecker, multi-function type of road Wrecker), road sweeping truck (dry Type of road sweeping vehicles, multi-functional full-suction road sweeper), tankers, chemical tankers, Sprinkler (spray-type sprinklers, washing-type sprinkler, spraying - flush-type sprinkler), fecal suction sewage suction truck, garbage truck (swing arm type garbage truck, Kakei Self-loading garbage truck, compression type garbage truck, garbage truck compartment removable, sealed dump garbage trucks), vans, refrigerated trucks:, dairy products, vegetables and fruit, vaccines drugs, Truck crane, electric power engineering vehicles, fire engines (pump fire engines, water-tank fire, foam fire engines, high-powered foam of fire engines, fire engines carbon dioxide, dry powder fire engines, foam - dry powder combined with fire engines, airport rescue pilot fire engines, airport rescue fire engines, lifting a high jet of fire engines, hydraulic platform trucks, ladder truck vehicles, communications, command and fire engines , lighting, fire engines, rescue trucks, surveying fire engines, smoke fire engines, water supply, fire engines, for the liquid fire engines, equipment, fire engines, rescue trucks, fire engines promotion, OS system, fire trucks), bulk cement truck , semi-trailer, high-altitude operation vehicle (folding arm aerial vehicles, telescopic boom aerial vehicles, hybrid arm aerial vehicles, self-propelled aerial vehicles) and other special type of hundreds of Dongfeng and Dongfeng series of vehicles and spare parts of cars and special-purpose vehicles chassis.

中国湖北东风专用特种汽车，生产销售东风自卸车、道路清障车(拖吊型道路清障车、平板一拖二型道路清障车、多功能型道路清障车)、道路清扫车（干式道路清扫车、多功能全吸式道路清扫车）、油罐车、化工罐车、洒水车（喷洒式洒水车、冲洗式洒水车、喷洒-冲洗式洒水车）、吸粪吸污车、垃圾车（摆臂式垃圾车、挂桶式自装卸垃圾车、压缩式垃圾车、车厢可卸式垃圾车、密封自卸式垃圾车）、厢式车、冷藏车：（食品冷冻车、奶制品、蔬菜水果、疫苗药品、随车吊、电力工程车、消防车（泵浦消防车、水罐消防车、泡沫消防车、高倍泡沫消防车、二氧化碳消防车、干粉消防车、泡沫－干粉联用消防车、机场救援先导消防车、机场救援消防车、举高喷射消防车、登高平台消防车、云梯消防车车、通讯指挥消防车、照明消防车、抢险救援消防车、勘察消防车、排烟消防车、供水消防车、供液消防车、器材消防车、救护消防车、宣传消防车、OS系统消防车）、散装水泥车、半挂车、高空作业车（折叠臂高空作业车、伸缩臂高空作业车、混合臂高空作业车、自行式高空作业车）等数百种东风专用特种车辆和配件及东风系列整车和专用汽车底盘。

The information integrated pattern based on PDM/PLM in the course ofmanufacture is put forward. Under the constraints of building CAPP platform, thearchitecture of CAPP platform is established. The models of decision making andfunction for process planning are given. Then the development means of CAPP basedSmarTeam are extracted.3. The structure of modular product life cycle is established. Toward the divisionand planning of the General Modules oriented product family, theCAD/CAPP integrated model of flexible module based on feature and CAD/CAPPmapping model based on process planning match board are set up. The keytechnologies of Solidworks/SmarTeam/CAPP integration are studies.4. From the point of view of process match board and step match board, theprocess of creating to process planning match board is studied. As an example, themachining process planning of up beam of hydraulic press machines is used tointroduce the establishment of process planning match board by means of inferencebased on expert knowledge. The organize model about the process planning matchboard oriented product family is brought forward.5. The multi-decision methods of CAPP system based on analytic hierarchy aregiven.. On the basis of uniform data model, the sub-machining process planning ofpart is auto-created by means of analytic hierarchy, The step decision methods basedon AHP is put forward.6. For the design/manufacture information in the course of product life cycle, thetree structure based on Object-Oriented and static model based UML are founded. Themethod of establishing design/manufacture information management system isbrought forward. The commercial PLM software—SmarTeam is regarded asdevelopment platform, on basis of which, the design/manufacture informationmanagement system is built, and the multi-view mapping technique ofdesign/manufacture information model is studies.7. A computer-aided CAPP platform based on PDM/PLM is founded, and itsstructure, function, work flow is illustrated. Some example of the system areintroduced.

阐述课题提出的目的和意义，明确了本文研究的主要内容。2、提出基于PDM/PLM的制造过程信息化集成模式；在平台式CAPP系统的设计约束模型基础上，构建了平台式CAPP系统的体系结构；并给出工艺决策模型和功能模型；最后提出基于SmarTeam的CAPP开发模式和实现策略。3、建立模块化产品生命周期模型的组织结构；针对面向产品族的广义模块的划分和规划方法，建立基于特征的柔性模块CAD/CAPP集成模型及基于工艺模板的CAD/CAPP映射模型；研究Solidworks/SmarTeam/CAPP集成的关键技术。4、从工序模板和工步模板的角度研究了工艺模板的创建过程；以液压机上梁模块机加工为例，采用基于专家知识的推理技术实现了工艺模板的创成；提出了面向产品族的工艺模板分层结构树的组织模式。5、提出基于分层规划的多模式工艺决策流程；在统一数据模型的基础上，从特征层和零件层分层规划，实现了零件加工子工艺的自动创成；提出基于AHP的工步排序决策方法。6、针对产品生命周期中的设计/制造信息，建立了面向对象的类树结构和基于UML的静态结构模型；提出基于PDM/PLM软件的设计/制造信息管理系统的构建方法；以商品化PLM软件SmarTeam作为开发平台，开发了基于SmarTeam的设计/制造信息管理原型系统；研究设计/制造信息模型多视图映射机制。7、开发了基于PDM/PLM的平台式CAPP原型系统，构建了系统的功能模型，并对系统的主要功能进行说明，给出系统的运行实例。

In terms of average Symbol-Error Rate at the destination, the performances of multi-relay cooperative transmission with Maximal Ratio Combining detection and opportunistic relaying with multi-node listening were analyzed, one relay retransmitting in Amplify-and-Forward networks under independent Rayleigh slow fading channels. The closed-form expressions of SER for M-PSK and M-QAM modulations are also derived based on Moment Generating Function.

该文从接收端平均误符号率的角度，分析了独立的瑞利衰落信道下，采用放大转发的多中继协同最大比合并检测方案和多节点侦听，单中继转发的机会中继方案的性能；并基于矩生成函数推导出两种方案下M-PSK和M-QAM调制信号平均误符号率的闭合表达式。

In order to meet the new century, the needs of modern teaching, the facilities are the standard school building at the national level, with the rationale for modernization, Chemistry and Biology Lab Equipment, bright and spacious open-shelf books to read hall, the best technology tip of the large, medium and small Multi-function Hall, advanced multi-media teaching network, large-scale sports facilities, improve the logistics services.

为适应新世纪现代化教学的需要，各项设施均按国家一级学校标准建设，拥有现代化的理、化、生实验设备，宽敞明亮的开架图书阅览大厅，占尽科技先端的大、中、小型多功能报告厅，先进的多媒体教学网络，大型的体育场馆，完善的后勤服务系统。

We use the approximate distribution comes from probability generating function of CreditRisk+ to value the CDO under the single sector factor and multi-sector factors scenarios. For single sector factor model, we discuss the sensitive analysis of CDO fair spread by different default probability, default correlation and loss given default. For multi-sector factors model, we exam the CDO fair spread based on different sector correlation assumption, such as Gamma distribution in moment match method, multivariate Gamma distribution and compound Gamma distribution.

本文在信用风险加成模型之下，利用机率产生函数的近似分配评价抵押债务债券，并考虑单一部门因子与多个部门因子，单一部门因子中，在不同违约机率、违约相关系数和违约损失率下，探讨抵押债务债券公平价差之敏感度分析；多个部门因子中，在不同相关性部门因子分配假设下，如动差配适法的伽玛分配、多维伽玛分配、复合伽玛分配，探讨抵押债务债券公平价差之方法结果比较。

Under frame of general sum stochastic game theory multi-agent Q-learning method is addressed, we gave the learning function and specific learning algorithm of multi-agent Q-learning.

基于一般和随机对策理论框架下提出了多智能体Q-learning方法，给出了多智能体Q-learning的学习函数以及具体的学习算法。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。