1) oval curve design
卵型曲线设计
2) oval curve
卵型曲线
1.
Calculating methods for compound curve and oval curve;
复曲线及卵型曲线计算方法
2.
Based on the property of easement curve, the authors proposed the calculation formulas of middle length of easement for oval curve and the formulas of any station coordinates.
以螺旋线为缓和曲线,并根据螺旋线的性质,推导了卵型曲线中间缓和曲线长度的计算公式及中间缓和曲线上任意桩号绝对坐标的计算公式,从而为低等级公路和高等级公路互通立交匝道的测设、施工放样提供捷径。
3.
The calculation of part easement curve is introduced after a detailed discussion on the calculation of geometric elements and station coordinates for oval curve in this paper; An attached flowchart is also supplied for reference.
在较为详细地讨论了卵型曲线的几何要素和中桩坐标计算的同时也介绍了不完整回旋线的计算方法，并附编写程序的框图供参考。
3) curve design method
曲线型设计法
1.
This paper analyzes the deficiency of the straight design method of highway alignment and puts forward the necessity of the researching curve design method.
分析了公路平面线形直线型设计法的不足,提出曲线型设计法研究的必要性。
5) curve design
曲线设计
1.
Some modeling examples of the curve design are given.
选取不同的形状参数值,可以得到不同位置的C2连续曲线,这些曲线与三次均匀B样条曲线有相同的端点性质,并且给出曲线设计的实例。
2.
At last,the C1 continuous joint of curve pieces is discussed and the example illustrates the TC-Bézier curve is useful in curve design.
最后讨论了曲线在C1连续下的拼接及其应用,实例表明,定义的曲线更有利于曲线设计。
3.
The curve design of cylindrical indexing cam and CNC machining points for attention are mainly discussed here in this paper.
本文主要介绍圆柱分度凸轮机构的曲线设计及数控加工注意事项。
6) design curve
设计曲线
1.
Testing results of special CT sample were introduced and COD design curve on this results of SCT samples given in this paper.
介绍了由标准CT试样发展而来的异型紧凑拉伸(SCT)试样的应力应变场的测量结果以及用SCT试样的实验数据标定COD设计曲线的结果。
2.
A method of constructing rational developable interpolation patches is put forward: two rational curves with similar shape are used as design curve and adjoint curve separately, and the points on the design curve and the corresponding points of the same parameters on the adjoint curve are joined with straight lines.
其次将二次、三次有理曲线分别作为可展有理 Bezier曲面的设计曲线和伴随曲线 ,具体讨论了有关可展有理 (2 ,3 ) Bezier曲面的构造及其分类问题 。
3.
An algorithm is proposed for constructing developable patches by using design curve and adjoint curve.
首先提出了一种由设计曲线和伴随曲线构造可展曲面的算法 ,并讨论了其依赖于设计曲线和匹配函数的几何性质及相应条件 ,在其基础上 ,研究了设计曲线和伴随曲线分别为 n +1次 ,m +n+1次 Bezier曲线的可展曲面构造方法 ,解决了任意次可展 Bezier曲面的设计问题 ,最后以可展(3 ,4)次 Bezier曲面为构造实例 ,证明了该算法的正确性和实用
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条