free form surface的意思|示意

First, the principle of perspective transformation and its application in the texture mapping of free-form surface are presented.

首先介绍透视变换和透视纹理映射原理，并简要分析其在自由曲面纹理映射中的应用。

The small measuring field of sensor unit is the key problem in the free form surface measurement of large scale objects.

本文针对大型物体自由曲面测量中，传感器单元测量区域小等问题，提出了一种基于粘性目标实现空间图像拼接的方法。

For measuring free form surface, a line structured light based 3d vision probe which works on CMM is proposed.

介绍了一种工作于三坐标测量机(CMM)上的线结构光三维视觉测头，实现自由曲面的快速检测。

A stereovision inspection system for measuring free-form surface is introduced which consists of coordinate measuring machines (CMM) and a laser probe.

介绍了利用安装于三坐标测量机CMM上的激光测头测量自由曲面的立体视觉检测系统。

The shape of streamlined train head is made of the 3-dimensional space free form surface, whose shape outline curve USES NURBS curve and complex shape surface USES 3-d NURBS surface.

基于流线型的列车头部外形由三维空间自由曲面构成，提出采用NURBS曲线设计外形型线和用三维nurbs曲面描述复杂三维曲面的车头外形设计方法。

The step error and line error of free-form surface of projecting NC machining were analyzed.

分析了自由曲面三坐标投影法数控加工的步长误差和行距误差。