1) ray coordinator
射线坐标系
2) normal transmitting coordinate system
法线发射坐标系
3) affine coordinate system
仿射坐标系
1.
The projecting directions of three affine pictures form affine coordinate system, and they also form a triangular pyramid at the same time.
用 3 个仿射图的投射方向构成 1 个仿射坐标系,同时也构成 1 个三棱锥,在此仿射坐标系中用球面三角重新研究由两个仿射图求第 3 个仿射图的投影作图理论 ——平行线束法。
2.
Parallel projection of the affine coordinate system has a significant impact on computer graphics recognition, object s tracking or solid model reconstruction.
空间仿射坐标系的平行投影问题在计算机图形识别、跟踪目标及三维实体重建中具有重要意义。
3.
By constructing local affine coordinate system, the geometric construction and properties of end vertices for rational cubic uniform B splines are studied.
采用建立局部仿射坐标系的方法 ,研究了有理三次均匀 B样条的几何结构及端点性质 。
4) affine coordinates system
仿射坐标系
1.
The method of setting up an affine coordinates system to solve the problems for the spatial crank and rocker mechanism is proposed.
提出在空间曲柄摇杆机构中通过建立仿射坐标系解决此类设计问题。
5) projective coordinate system
射影坐标系
1.
This paper proves that Pappus proposition by means of analytical solution at real projective coordinate system and the issue about six point collineation are derived according to perspective feature of projective correspondence.
借助射影坐标系用解析方法证明了巴卜斯命题,并由巴卜斯命题按照射影对应的透视特征导出了六点共线问题,最后把这个结果作了进一步的推广。
6) emission coordinate
发射坐标系
1.
Space-earth coordinate is commonly used in navigation and positioning,but in navigation system of missile emission coordinate is usually used.
地球导航定位通常采用空间大地坐标系,导弹发射通常采用发射坐标系。
补充资料：平面极坐标系
坐标系的一种。在平面上取一定点o，称为极点，由o出发的一条射线ox，称为极轴。对于平面上任意一点p，用ρ表示线段op的长度，称为点p的极径或矢径，从ox到op的角度θε［0，2π］，称为点p的极角或辐角，有序数对(ρ，θ)称为点p的极坐标。极点的极径为零，极角不定。除极点外，点和它的极坐标成一一对应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条