针对复杂曲面工件内部缺陷的超声检测,提出了一种新的近似等弧长超声检测轨迹生成算法。
Aimed at internal defect ultrasonic inspection for sculptured surface parts, the paper presented a new nearly arc-length approach to path generation.
在等弧长比投影族球面正二十面体投影基础上设计了球面三角四叉树剖分模型(EARPIH)。
Based on the spherical icosahedron case of Equal Angle Ratio Projections (EARP), a new spherical Triangle regional Quadtree (EARPIH) is constructed.
在双曲空间中,考察椭圆的包含关系,对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature.
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