查询词典 computer aided engineering

As an effective measure, the finite element method based Computer Aided Engineering technique can highly improve the success rate of design, shorten the research and development period of die and products.

基于有限元技术的计算机辅助工程（CAE，Computer AidedEngineering）技术作为一种有效的手段，能极大地提高设计的成功率，缩短模具和产品的研究和开发的周期。

Using computer aided geometrical drawing function,this method is introduced to draw force polygon conveniently and accurately under AutoCAD environment,which meets with the higher request in the engineering nowadays.

以手工作图为主的图解法是一种求解力系问题的常用方法，介绍此方法在Auto-CAD环境之下，借助其强大的几何设计绘图功能，方便、精确地做出力的多边形，从而更好地满足工程实际要求。

The system model based on computer aided design and expert system techniques is established through analytical studying on the engineering data of rock drift tunneling.

通过对岩巷掘进工程资料的分析研究，建立了基于辅助设计和专家系统技术的系统模型。

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析，为进一步优化设计AWG及提高其性能提供了理论依据，而优化设计计算数值方法解决了AWG优化设计计算的复杂问题，为进一步建立AWG的计算机设计系统提供了基础；AWG光信号处理的特性分析，提出了AWG应用的新领域，为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径；波长传输矩阵变换关系的建立，不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法，而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用，能有效而准确地确定波长的路由关系，为实现节点波长传输路由的监控和管理提供有效手段；基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法；控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面，为建立自动交换光网路提供了一定的基础；时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化，为色散积累和色散补偿提供有效的分析参数。

The purpose of this study is to utilize the technologies in computer-aided design and manufacturing for the scaffold design and analysis of tissue engineering.

本研究的主要目的是利用电脑辅助设计与制造的方法，对组织工程中的细胞支架结构进行探讨，主要目标为骨组织支架。

A numerical human head model based on CT scan image of alive head of a Chinese has been developed using finite element method and computer-aided-engineering techniques.

该项目从计算生物力学着手，以有限元法和计算机辅助工程技术为手段，建立中国人的头部损伤生物力学的数字化头颅。

Referring to the optical rounded reflector of spherical surface used in a space remote sensor, a kind of flexible structure was designed for regulating thermal deformation. Theoretical analysis was done to its dynamic model and parameter of structure, and simulating analysis was also done to reflector module with technology of the Computer Aided Engineering in order to solve the status of high rigidity of structure and poor thermal stability of thermal dimension.

针对某空间光学遥感器的圆形球面反射镜设计了一温升变形调节柔性结构件，对其力学模型及柔节参数进行了理论分析，并采用计算机辅助工程分析技术对反射镜组件结构进行建模和仿真分析，以解决反射镜在力学环境下满足结构刚度要求，而热环境下面形精度显著超差的状况，使反射镜结构刚度满足力学要求的同时，具有良好的热尺寸稳定性，达到遥感器成像质量要求。

The Comprehensive professional basis, the professional course knowledge design "winding frame Injection Mold Design",its core of knowledge is plastic mold precision mechanical design, mechanical engineering materials, computer-aided design, mold CAD\CAM\CAE and so on.

综合运用专业基础、专业课知识设计《绕线架注射模具设计》，其核心知识是塑料成型模具、精密机械设计、机械工程材料、计算机辅助设计、模具CAD\CAM\CAE等。

Following aspects are specially discussed:(1) In-situ study on the mechanism and the rate determining step of corrosion processes at the interface between metal and corrosion media;(2) Reliability of structures in corrosive environment;(3) In-situ non-destruction corrosion inspection, evaluation, repair and maintenance of engineering structures;(4) A new approach for material selection-life cycle costs, LCC;(5) Terotechnology;(6) Corrosion protection and environmental protection;(7) microbiologically influenced corrosion;(8) Computer aided design of corrosion protection;(9) Corrosion and protection of reinforced concrete structures;(10) Corrosion and protection of marine structures;(11) New development of coating and corrosion inhibitor etc.

论述了腐蚀科学与防护技术几个值得注意的发展动向，它们包括：(1)金属／腐蚀介质界面反应及其快速步骤的原位研究；(2)在腐蚀环境中结构的可靠性；(3)腐蚀的在线无损检测／评价和设备的维修保养；(4)材料优选的新方法－LCC；(5)防护系统工程学；(6)腐性防护与环境保护；(7)微生物腐蚀；(8)腐蚀防护的计算机辅助设计；(9)钢筋混凝土结构的腐蚀防护；(10)海洋工程结构的腐蚀防护；(11)防护涂层和缓蚀剂的新发展等。

This book amalgamates geometric modelling, analysis and optimization, the three important aspects in Computer Aided Engineering Design.

这本书结集在同一时期的几何模型，分析和优化，这三个重要的计算机辅助工程设计方面。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。