三次曲线

Presented a cubic trigonometric polynomial spline curves with shape parameter.

给出了带有参数λ的三次三角多项式样条曲线。

Design the Route Fitting Program based on Cubic Spline and, output viewdata, interface with AUTOCAD program, built up vary layers with different color, directly plot the fig of route ichnography, slope and curvature.

运用VB设计开发基于三次样条曲线的路线拟合小程序，可视化输出上述数据结果，并与AUTOCAD程序接口，建立不同的图层及颜色，直接输出路线平面图、斜率图、曲率图。

A coordinate was established with the horizontal, vertical and optical axis defined as the X, Y and Z axis. A circumrotation was then made.

通过建立三维座标系、座标轴旋转、解方程组，求得各个子午线上的二次曲线表达式及Q值。

In order to let the moving robot be able to keep stability in the course of motion , a method for matching the path of robotic motion by the use of cubic spline curve under the environment of duad tree modeling was put forward .

为了使移动机器人在运行过程中能够保持平稳，在四叉树建模环境下，提出用三次样条曲线拟合机器人运动路线的方法。

The fitting method of dynamics processes of removing main nutrient TP by Lolium multiflorum showed that it accords with cubic curve.

对其去除水体总磷的动态过程拟合表明符合三次方程曲线。

Geometric Extension of Nonadjacent Cubic Bezier Curves.

三次 Bezier 曲线间的几何延拓算法。

Using digital signal processor can reduce the calculating time. Since the control pulses of axes are synchronistical during timer interrupt periods, the interpolating trajectory are significantly improved.

利用数字信号处理器进行三次B样条曲线实时插补，可缩短插补计算时间；通过设定DSP的定时器中断来实现各轴控制脉冲的发送，可实现最大限度地减少折线状的插补轨迹的目的。

In this paper, a new method called"piecewise cubic spline"for generating conjugating gear profiles is proposed. The relative formulas are derived and involutes'gear is analyzed by the use of this method.

首先，本文提出了&分段三次样条曲线法&产生共轭齿形的新方法，介绍了相应的公式，并以渐开线为对象作了算例验证。

It also shows that, for "reasonable" Hermitian data, the "good" couple of PH cubic can be directly constructed, obviating the need to compute and compare all four solutions.

本文还给出了对于&合理&的Hermite数据，不需要计算和比较所有的四个解，可直接构造出&好&的三次PH曲线偶。

It also shows that,for"reasonable"Hermite data,the "good" couple of PH cubics can be directly constructed,obviating the need to compute and compare all four solutions.

对于&合理&的Hermite数据，本文还给出了不需计算和比较所有的四个解便可直接构造&好&的三次PH曲线偶的方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。