A new methodology on three-dimensional parametric feature-based modeling is presented.
本文提出了三维参数化特征造型的一种新的思路和方法。
Adopting the main key technologies including feature-based modeling, optimization of cutting parameter, layout of the cutters tracks etc.
主要关键技术包括参数化特征建模、数控加工切削参数优化、刀具轨迹规划等。
Adopting the main key technologies including feature-based modeling, optimization of cutting parameters, layout of the cutters tracks etc.
主要关键技术包括参数化特征建模、数控加工切削用量优化、刀具轨迹规划等。
Thesystem composed of 3d feature-based modeling of the structure, virtual construction, virtual ramble, virtual test, structure analysis and visualization.
系统具有3d结构特征化建模、结构虚拟建造、虚拟漫游、构件虚拟试验、结构分析及数据可视化等功能模块。
The main work is stated as follow:(1) After researching the technology of modeling and the method of Top-down design, the thesis designs a feature-based modeling with Top-down design.
着重研究了建模技术和自顶向下的设计方法，并将它们和装配模型有机的结合起来，建立基于特征的自顶向下建模系统。
The runtime part provides the infrastructure required to support extensible and feature-rich modeling diagram editors based on GEF and EMF.
运行时部分提供了，支持可扩展的基于GEF和EMF建模图形，所需要的基础。
Firstly, the local gray mean feature and local standard deviation feature were utilized to realize target modeling based on the low SNR characteristic of ir images.
首先，针对红外图像低信噪比的特点，采用局部灰度均值特征及局部标准差特征用于目标建模。
To study parameterization modeling technology based on feature.
基于特征的参数化建模技术的研究。
According to the analysis for the feature and requirement of testing fixture design, the general designing and modeling methods of testing fixture based on conventional CAD software is presented.
在分析了检具设计的特点和要求的基础上，提出了在通用CAD软件平台上进行检具设计建模的一般方法。
Based on the modeling method, design feature and manufacture feature of cross wedge rolling tool are founded.
并且根据该建模方法，建立了楔横轧模具的设计特征和制造特征。
Experiment results indicate that the average recognition rate of the 12 hand gestures is 97% based on the proposed segmentation, modeling, feature extracting, and recognition techniques.
实验表明，利用上述提出的手势分割、建模、特征参数抽取及识别方法识别12种手势，平均识别率高达97%。
By combining with the drafting components of fly frame the feature classification orientating to the design was presented and the feature based parameterized modeling frame was established.
结合粗纱机牵伸部件给出了面向设计的特征分类并建立了基于特征的参数化建模框架。
A feature based parametric mannequin modeling method is presented.
介绍一种基于特征的服装人体模型参数化建模方法。
The conceptual modeling elements and mutual relations between them are discussed and some key technical problems are identified in the development of feature based temporal - spatial data models.
讨论了基于特征的概念模型要素及相互关系；提出了基于特征的时空数据模型所面临的关键技术。
This paper mainly discusses the freeform feature design based on the feature modeling and its constraint solving.
本文具体讨论了基于特征造型的自由曲面特征设计与约束求解问题。
One of the fundamental issues with history-based parametric feature modeling is how to effectively name and identify referenced topological entities.
拓扑元素的命名和辨识是基于历史的参数化特征造型中的一个关键问题，其实质是维护设计过程中隐含的设计意图。
The feature modeling and the design based on constraint were analyzed.
对特征造型方法和基于约束的设计进行了讨论。
This paper presents the feature modeling system based on a current business CAD software to build a full information of mechanical components.
为了建立机械零件的信息模型，本文介绍一种基于商品化CAD软件系统的特征造型系统。
Based on this HBCR, the shape features are extracted from solid model for sheet metal punching part to realize the "feature-based" modeling design.
基于混合实体造型HBCR技术，通过提取钣金冲压件形状特征模型，实现了基于特征的钣金模型设计。
So, the semantic feature modeling technique based on cellular model has become very important in most CAID systems.
因此，基于细胞元模型的语义特征造型已成为当今CAID系统的主要研究的方向之一。
According to the feature of flexible machining, it be studied that the scheme and key technology of on-line modeling and prediction of machining error based on genetic neural network.
针对柔性加工过程的特征，研究了基于遗传神经网络的加工误差在线建模预报的方案和关键技术。
The developed mining feature database and the processes of mine modeling based on the feature database are introduced.
介绍了采矿特征库和基于采矿特征库进行矿山建模的过程。
Based on the previous research work, a topological identifier based replicated collaborative feature modeling system is designed.
在已有研究的基础上，设计了一个基于标识的复制式协同特征造型系统。
The feature based modeling technology is found a new way to realize the integration of CAD system and life cycle design system.
特征技术为实现CAD系统和生命周期设计系统的集成开辟了新的道路。
The system is composed of the module of feature modeling, realization module of CBR-based mold parting surface design and help information module of the parting surface design.
本系统共分为三个模块，即特征造型模块、基于CBR的模具分型面设计实现模块和分型面设计帮助信息模块。
The paper studies in detail parametric modeling methods provided by UG, which are respectively called method based on feature and that based on sketch.
本文研究了UG的参数化建模技术，对基于特征和基于草图两种建模方法作了详细论述。
The difficulty of integration of CAD/CAPP and the disadvantage of several feature modeling were analyzed, and levels of feature model were brought forward based on the thinking of feature conversion.
分析了CAD/CAPP集成技术的难点和当前特征建模的不足，基于特征转换思想提出了分层次建立特征模型的方法。
The fast recognition algorithms of gasoline brands based on the near-infrared (NIR) spectroscopy is presented. It includes pretreatment, feature extraction and classification modeling.
提出基于近红外（NIR）光谱的汽油牌号快速识别算法，主要包括预处理、特征提取和分类建模几部分，比较了各种分类方法的识别能力。
This paper discusses semantic feature modeling based on cellular model.
该文讨论了以细胞元模型为基础的语义特征造型技术。
This paper discusses semantic feature modeling based on cellular model.
该文讨论了以细胞元模型为基础的语义特征造型技术。
应用推荐