为了实现长、细管道内表面三维形貌检测，基于光学三角原理研制了一种新型检测器。
For inspecting the 3d shape and appearance of the inner surface of long and tiny pipe, a new type of sensor was proposed based on the principle of optical triangulation.
根据光学三角原理，可以求出该夹角的大小，然后结合检测器的结构参数可以计算出管道相应位置的曲率半径。
The Angle can be calculated based on principle of optical triangulation and so the curvature of corresponding position based on structure parameters.
本文基于光学三角法测量原理，设计了一种通过改变光平面与成像光轴夹角来实现对视场内被测零件表面扫描的视觉测头。
A novel noncontact scanner that scans the inspected part's surfaces by changing the Angle between laser plane and optical axis is designed based on optical triangulation.
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