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- Study on Vane Pump CAD System Based on 3D Feature Modeling 基于三维特征建模的叶片泵CAD系统研制
- 3D feature modeling 三维特征造型
- The feature modeling is one of the important modeling methods by 3D CAD/CAM system . 特征建模是计算机辅助设计和计算机辅助制造设计系统采用的主要的建模方法之一。
- This work can be used for us understanding the feature modeling techniques inside 3D CAD/CAM system and making model with 3D design software. 这项工作为帮助人们理解在三维计算机辅助设计和计算机辅助制造系统软件内部进行的特征建模技术,及利用三维设计软件具体建模工作有实际意义。
- With Boolean calculation of 3D feature solid, the solids are reconstructed by OpenGL technology in Windows Visual C++ 6.0. It can be used farther in studies and tests later. 利用三维特征形体布尔运算的重建方法,用OpenGL技术在Windows Visual C++ 6.;0环境进行三维特征重建,使重建的结果易于在后续研究和实验中广泛深入地应用。
- Finally, with the help of a learnable artificial neural networks, most of the 3D features of a model could be recognized. 最后,再利用人工神经网络的学习与识别能力识别出模型的特徵。
- Several techniques, such as feature modeling, database, group technology, OLE, process PRI, were used to build the system. 综合应用了特征建模技术,数据库技术,成组技术,OLE技术,工序优先级方法等完成了系统的开发。
- The ribs, rabbet and margin pale were designed by means of CAD with feature modeling method. 以特征造型方法完成对涡轮冷却叶片转弯流道、缘板、榫头及叶片相关特征的参数化设计;
- Based on the unit quaternion decomposition of rotation matrix, this paper puts forward an algorithm to estimate motion parameters from the space position vectors of 3D feature points. 本文基于旋转矩阵单位四元数分解定理,提出一种由3D特征点空间位置估计运动参数的算法。
- So there is a featuring model of car called the Picasso. 注册后这种很有特点的车就叫毕加索车。毕加索是它商标了。
- Finally,narrated the realization of sketch dimension in the parametric feature model system EB3D. 最后讲述了草图尺寸标注在参数化特征造型系统EB3D中的实现。
- In chapter four, the knowledge to parametric feature modeling is presented, and the approach to implement in PEDS is proposed. 最后一章阐述了对参数化特征造 型的认识,并结合PEDS系统提出了参数化特征造型的实现方法。
- This systemadopted the relationship matrix and feature modeling to realize the expression of information and CAD/CAPP integration. 系统采用关系矩阵及特征建模实现设计信息的表达及CAD/CAPP的集成。
- A laser dragging process to ablate a groove pattern and more sophisticated 3D features on a polycarbonate (PC) sheet through a shape of mask opening is analyzed. 本研究主要是利用准分子雷射透过一个光罩图案之后,分析在高分子材料上(聚碳酸酯)进行单向或交叉拖拉后的加工形廓和微结构变化情形。
- How to express feature modeling and decide geometric drawing parametry is key technology of parts parametric feature modeling design. 如何实现特征模型的表达和几何图形参数的确定是零件参数化特征造型设计的关键技术。
- The emphasis is the feature-based parameter technology, feature modeling, the drawing of complex curve and carrying on the studying of secondary development on AutoCAD platform . 重点是基于特征的参数化技术、特征建模、复杂曲线的绘制和在AutoCAD平台上进行二次开发的研究。
- Two kinds of multi-resolution spatial data model are studied in this paper. One is the Feature Model and HOOM Model based on DLG data. 论文主要对两种类型的多分辨率空间数据模型理论和实现技术进行研究,第一类空间数据是数字线划图数据DLG,第二类是数字高程模型数据DEM。
- David Llewelyn:So there is a featuring model of car called the Picasso. 王迁:注册后这种很有特点的车就叫毕加索车。毕加索是它商标了。
- This paper is mainly discussing the basic principle and implementation method of the 2D layout part of a STEP based parametrical feature modeling system. 本课题主要研究基于STEP标准的参数化特征造型系统中工程图纸的布 局及图形处理的基本原理及实现方法。
- Bring forward the method of parameter feature modeling of key parts of Steering system;using parameter feature modeling technique,established the parameter model of redirector. 3.;提出了转向系关键零部件的参数化建模方法,运用参数化建模技术,实际设计了转向系重要零部件的数字模型,并运用虚拟装配技术,建立了转向系的三维模型。