圆弧

仪表圆弧齿轮CAD系统

The CAD System of Circular Arc Gear Used in Meters

最少圆弧逼近曲线的算法和Matlab的实现

Algorithm of Minimum Arc Approximating Curve and Realization in Matlab

这些树的枝叶成圆弧形，遮覆河上。

The trees arched over the river .

它依然拱起它那庞大的圆弧，遮挡了山峰。

There it raises its large curves still , eclipsing the hills .

Net编译环境建立了双圆弧齿轮参数化建模系统。

Net compile environment to established the double circular arc gear parametrization modeling system .

基于FPGA的数控数字积分法圆弧插补器的设计与实现

A DDA arc interpolator for digital differential analyzer based on FPGA

新型平顶圆弧齿同步带传动的CAD及带齿强度分析

CAD for New Type Flat-top Arc Teeth Synchronous Belt Transmission and the Teeth Strength Analysis

用四次有理Bézier曲线表示圆弧与圆

Quartic Rational B é zier Curve Representation of Arc and Circle

圆管冲圆弧模具CAD软件的研究与开发

The Research and Development of Stamping Arc Die CAD System of Tube Machining of Dies and Molds

借助双圆弧齿轮CAD系统，加快了设计进程，缩短了研制周期，提高了设计质量。

Speeding the course of design , shorting the period of development , advancing the quality of design .

CNC编程中刀尖圆弧半径的测量方法和加工精度

Methods for Measuring the Arc Radius of Cutter Point Machining Accuracy Problems in CNC Programming

基于ANSYS的四圆弧齿轮齿形优化弧齿锥齿轮精锻成形工艺的数值模拟

Quadruple-arc Gear Optimization Based on ANSYS Numerical Simulation on Precision Forging of Spiral Bevel Gears

基于CPLD的声波相控圆弧阵控制逻辑设计

Design of Arc Phase Array Acoustic Transmitter Based on CPLD

基于ANSYS和Pro/E的双圆弧齿轮模态和谐响应分析

Modality and Harmonic Response Analysis of Double Arc Gear Based on ANSYS and Pro / E

NURBS曲线与圆弧求交的剪刀迭代法

The Scissors Iteration Method for Intersection between NURBS and Circular Arc

它们包含传统的Bezier、B样条曲线，并且能够精确的表示圆弧和椭圆。

They includes the Bezier curves and B-spline curves , and can represent circle and ellipse accurately .

基于圆弧样条构造NURBS曲线的等距线非均匀有理B样条曲线的等距线生成算法

Constructing offsets of N U R B S curves via circular spline Offset of NURBS curves by parameter optimization

通过对电极的路径规划，实现了HIT字符型阵列、往复直线、圆弧、四边形等形状的沉积。

Through planning electrodes ' path , the shapes of HIT character type array , reciprocating straight , arc and quadrilateral are deposited .

鸟撞飞机圆弧风挡玻璃的中点时风挡玻璃发生破碎的临界速度约为570&580Km／h。

The critical velocity at which the bird body impacts the glass at middle point to result in break of the glass is 570-580km / h.

圆弧形沉积场地对入射平面Rayleigh波的散射解析解初应力场的Rayleigh波

Analytical Solutions for Scattering of Rayleigh Waves by Alluvial Valleys Rayleigh Waves in Initial Stress Field

圆弧曲线的三次NURBS表示

Representing circular arcs by NURBS of degree three

文中还给出计算双圆弧样条函数的BASIC程序以及一个计算例题。有理双圆弧插值与双圆弧样条曲面

A BASIC programe for the binary arc spline function of the cam profile and an example are also shown in this paper . THE INTERPOLATION OF RATIONAL BICIRCULAR ARCS AND THE BICIRCULAR SPLINE SURFACES

用三次NURBS表示圆弧与整圆的算法研究

Cubic NURBS representation of arc and circle

提出了一种基于边的改进Qi函数法判别点与多边形的包含关系，并针对含有圆弧的多边形进行了算法的修正。

The Qi function method discriminant point improvements based on edge polygon containment relationship and correction algorithm for polygon containing arc .

以VISUALLISP为二次开发工具，对AutoCAD的圆弧绘制功能进行补充、完善。

Taking Visual Lisp as the second developing tool , AutoCAD Arc Plotting Function has been well complemented and perfected .

本文采用解析法研究相邻多个线圆弧凹陷地形对平面SH波散射问题。

The analytical method is used for the problem of scattering of plane SH-waves by multiple shallow circular-arc canyons .

传统的CNC系统往往只提供直线和圆弧插补功能，不能满足CAD系统的曲线和曲面造型能力对CAM系统的要求。

Traditional CNC can only provide the function of line or circle interpolation . This can not meet the needs of sculpture capability of CAD system for curve and 3D-surface .

扩展简化Bishop法的提出，为非圆弧滑面安全系数的求解提供了一个简便的途径。

The extended simplified Bishop method ( ESBM ) provides another convenient way to calculate the safety factor of non-circular slip .

轴流压气机跨音速双圆弧（DCA）叶型的研究&叶型设计计算

Investigations on transonic double circular arc ( dca ) profiles of axial flow compressor & calculations of profile design

PLC具有体积小、功能强、维护方便、程序设计简单，可靠性高等特点，可以构成复杂的工业过程控制网络，能够满足整体圆弧风挡玻璃成型合模控制系统的控制需求。

PLC has features of small size , powerful functions , convenience in maintenance , simple in writing codes and high reliability , and it can be used to form complex industrial process control network .