The replacing of mechanic scan with electric scanningoneline probes controlled by a computer to realize flaw detection of twin train wheels is introduced.
描述了由计算机控制探头阵列电扫描对列车轮对探伤工作模式，以取代机械扫描方式。
2
The paper gives out a method to combine non-convex figures into a convex one, a method to get bumping region by using NFP, and a scanning-line method to search the gaps among adjacent figures;
给出了任意图形的多边形逼近、非凸图形的凸组合、利用NFP做碰撞检测和扫描线搜索图形间缝隙等方法。
3
The height of one section of the object surface can be obtained after computing the pixel coordinates of the light line, and the whole 3d shape can be got with a one-dimension scanning rig.