1) circular curve
圆曲线
1.
New method to survey & determine circular curve;
浅析测设圆曲线的新方法
2.
A new method to lay-off the circular curve——the polar coordinate of the chord line;
圆曲线测设新方法——弦线极坐标法
3.
The analysis of broaden,tapered length relation and tapered formula of inter road surface of circular curve;
圆曲线内路面变宽与渐变长度关系及渐变式分析
2) round curve
圆曲线
1.
Sampling method of station at points of round curve;
圆曲线中点设站放样方法讨论
2.
It illustrates the basic theories and design method of straight line,round curve,moderate curve,puts a stress on the discussion of the applying conditions of round curve and moderate curve,analyses the length relation between round curve and moderate curve,and puts forward the principles and requirements should be followed in the linear plane design of high-class highway.
阐述了直线、圆曲线、缓和曲线三要素的基本理论及设计方法,着重探讨了圆曲线与缓和曲线的应用条件,分析了圆曲线与缓和曲线的长度关系,并提出了高等级道路平面线形设计中应遵循的原则及要求。
3) Non-circular curve
非圆曲线
1.
Least squares approximation for non-circular curve in NC machining;
数控加工中非圆曲线的最小二乘圆弧逼近
2.
Machining parts with non-circular curve contour by CNC lathe——programming idea of using User′s macro program
数控车非圆曲线轮廓的加工——宏程序编程思路
3.
The design of non-circular curve spare parts numerical control machining program that is based AutoCAD software is discussed.
文章论述了基于AutoCAD软件平台的非圆曲线零件的数控加工编程的设计问题。
4) Irregular curve
非圆曲线
1.
The thesis introduces an equal difference between an approximate value and an accurate value waY for panel point's coordinate calculation of the irregular curve by means of tangent line's approaching;illustrates it with a concrete example;and falls back on MATLAB mathematic software to draw an imitation picture of cutting tools' locus.
介绍一种用切线逼近非圆曲线节点坐标计算的等误差法,结合实例,借助M ATLAB数学软件,绘制出刀具轨迹的仿真图。
5) Elliptic curve
椭圆曲线
1.
Design plan of blind signature based on elliptic curve and its application;
基于椭圆曲线的盲签名方案设计及其应用
2.
(t,n) Threshold group signature scheme based on elliptic curve cryptosystem;
基于椭圆曲线密码体制的(t,n)门限群签名方案
3.
Algorithm of factorization based on elliptic curve;
基于椭圆曲线的因子分解算法
6) non-circle curve
非圆曲线
1.
Therefore,non-circle curve only can be machined on the machine by linear approximation or circular approximation.
非圆曲线轮廓是机械零件常见的轮廓要素之一,绝大多数数控机床只具备直线插补和圆弧插补功能。
2.
The methods of user macroprocessor programming of the non-circle curves part described with mathematic equation in the numerical control process were discussed.
论述了对用数学方程式描述的非圆曲线组成的轮廓零件进行数控加工时的编程方法,得出了根据零件复杂程度不同,采用的编程方法不同,这将使非圆曲线轮廓零件数控加工程序的编制变得简单、容易,这对数控加工具有指导意义。
3.
This article provides a new method to achieve non-circle curve numerical control machining by using macro program.
提出了应用宏程序实现非圆曲线数控车削加工的新方法,并以椭圆为例,构造出通用的"椭圆曲线插补"程序。
补充资料：Dinostratus割圆曲线
Dinostratus割圆曲线
Dmostratus quadratrix
n如州.如创回曲线[n比州几血.甲.翻廿妞;八。。oeTpaTa 二一a八paTp.ea』 超越平面曲线，在D留cart巴直角坐标系中其方程 为 兀X y=xcotan云汾， _--一2a 在极坐标中，其方程为 p一些匕2过. 兀CC6势 D蜘咙如t璐割圆曲线具有无穷麦全分支(见图乙宣坦 与x轴相交于点x=土a，土3a，土sa，…，并具有渐近线 x二土2a，土4a，李由，·…创门与直线y=劝加的交点是拐 点. 千晒{ 伊利斯的HIPp姚(公元前420年)首先考虑了割圆 曲线.公幻嘴tIa油(公元前4世纪后半期)证明:可以 借助于割圆曲线用作图法解决化回为方问题〔qua比ra- t也吧oft比cn℃le).八.八.自‘。月。日撰 【补注】这一曲线也称为HIPp此割圆曲线(HIPP俪 q珑以ratrix)，见[A 1].
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