射影弧长,projective arc length

1)projective arc length
射影弧长

2)affine length of an arc
仿射弧长

3)equal arc length mapping
等弧长映射
1.
A method called equal arc length mapping in cylinder model based on the spherical perspective was proposed to solve the problem of distortion.
从基于球面透视的柱面模型出发,介绍如何对整幅鱼眼影像进行畸变校正,提出一种基于球面透视的柱面模型的等弧长映射方法,并给出具体算法的推导,实现了对鱼眼影像畸变的校正,取得了较好的效果。



4)lunula[英]['lu:njulə][美]['lunjʊlə]
弧影

5)projected contact length
接触弧长的投影;咬入弧水平方向投影长度

6)arc length
弧长
1.
About the Calculation of Arc length of the Oriented Smoth Curve or Jordan;
关于有向Jordan光滑曲线的弧长计算


2.
Direct precise solving method of interposed transition curve between uncorresponding compound curve arc length
非对称复曲线中插缓和曲线弧长的精确求解


3.
The experimental results show that the optimum melting voltage is 35～36 V,the reasonable arc length is 25～29 mm.
以海绵钛和中间合金压制的电极经两次熔化得到的TC11合金铸锭为原材料,采用真空自耗电弧炉,在不同的电压下熔炼3次TC11合金铸锭,研究熔化电压、弧长与TC11合金铸锭扒皮深度和扒皮量的关系。


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补充资料：仿射


仿射
affinity

　　仿射!确nity;呻中Ifu盯er] 仿射变换陌币ne transfo瓜atlon)的简称定义为非退化线性代换 二A派丰“
　　
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射影弧长,projective arc length