查询词典 CAD

Research on development methods and application of CAD system of prac tical sheet metal expansion ;2. A frame expansion method of operator is used to the phase shift operator of split-step Fourier propagator.

针对裂步Fourier传播算子在速度强横向变化介质中的不足，将算子的框架展开方法应用于Fourier传播算子中的相移算子，提出了一种波场传播的局部裂步Fourier传播算子，并把它应用于波动方程叠前深度偏移成像。

A 360?broad-band analog phase shifter is designed by means of CAD.

摘要该文介绍了宽频带360°模拟移相器的设计理论。

By using Electrical Cad Software , it is possible to sidestep many of the obstacles which would otherwise stand in your way.

通过使用电气CAD软件，就可以避开障碍的立场，否则将在您的方式很多。

On the decision-support computer, a simple CAD module and a simulation module for the NC program are developed.

六、在系统决策支持机上研究开发了简单的CAD模块和NC程序的走刀模拟模块等。

To fulfill the need of the application of RP technique in medical domain, reverse CAD modeling from medical cross sections is systematically studied in this dissertation. Firstly, Some algorithms related to the research of this dissertation are studied. New algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for B-spline curve and a theorem regarding the termination criterion for subdivision of triangular Bézier patch are proposed. Then based on similarity between contours of adjacent sections, a methodology for surface reconstruction from cross sections is presented. Finally, a virtual measuring method is proposed.

本文针对RP技术在医学领域应用的需要，系统研究了基于医学断层轮廓数据的反求CAD建模理论和方法：(1)在基础算法研究部分，提出了简单多边形方向及点在多边形内外判断的新方法、三角Bézier曲面片离散的误差控制定理和一种带误差约束的B样条曲线的自动光顺方法；(2)提出了一种基于相邻层轮廓相似性的医学断层轮廓数据曲面重构方法；(3)提出了一种称为"虚拟测量"的曲面模型处理方法。

For the capacity of propeller turbine is often small, people pay little importance on the transformation of reducing capacity under specified conditions. So, nowadays little research mentioned above has been developed.For the particularity of the designed factors, the author has improved the traditional theory, and has fined an available Method of singular point distribution. At present, no one has developed CAD hydraulic design software of lower specific speed axial flow runner in our country.

由于设计条件的特殊性，在研究设计方法过程中，论文基于传统设计理论，对引用的一些基本规律做了一定改进，在具体设计过程中，对经验参数的选择方法做了一定探索，研究与探索运用奇点分布法设计低比转速轴流式转轮叶片；传统的设计工作全部由人工完成，无法满足当今社会科技生产发展的需要，因此论文开发了一套具有人机对话界面良好特点的低比转速轴流式转轮CAD软件。

Express the sketch map of the whole structure with Auto CAD finally.

最后对整体机构的装配图用Auto CAD表示。

The design and implementation of a knowledge-based CAD system for residence sketch plan are presented.

本文介绍了一个基于知识的住宅方案计算机辅助设计系统的有关理论、方法及执行技术。

Skinning is a common method of surface definition in the CAD system.

蒙皮法是目前市场上CAD系统中一种比较常见的曲面定义方法。

This article proposed the slotter organization size computer-aideddesign, through to the bias crank slide organization size computation,establishes the mathematical model, uses the computer to carry on thecomputation, AUTO the CAD software cartography, enormously enhancedthe design speed and the design quality, for enhances the product thecompetitive ability, has provided the effective design method.

本文提出的插床机构尺寸计算机辅助设计，通过对偏置曲柄滑块机构的尺寸计算，建立数学模型，采用计算机进行计算，AUTO CAD软件绘图，极大提高了设计速度和设计质量，为提高产品的竞争力，提供了有效的设计方法。

It has to be computed by the host for the actual clock rate.

主控制器可以用来计算实际的时钟速率。

Let's see what you got.

让我看看你的东西