1)  step edge" curve
刀刃”曲线
1.
A method, based on reforming the “step edge” curve which clearly explains how the diffraction of sunlight makes digital aerial images blur, is proposed to deblur the texture extracted from digital aerial images and thus to improve its visual effect.
分析了光衍射、“刀刃”曲线与影像模糊三者间的相互关系,提出了自动获得墙面纹理中直线特征的亮度分布模型———“刀刃”曲线,通过重新调整曲线分布的陡峭程度来改善航空纹理视觉效果,并进行了验证,取得了较好的效果。
2)  edge curve
刀刃曲线
1.
Research on the edge curve of assembly type formed milling cutter;
装配式成形铣刀刀刃曲线研究
2.
In this paper, the authors describes a model of computing MTF from edge curve based on original images, and the methods of extracting edge curve and image restoration processing both in frequency domain and spatial domain.
从刀刃曲线求取MTF的基本理论入手,介绍了从数字影像中提取刀刃曲线的方法,简要说明了图像在频率域和空间域中的恢复过程。
3)  cutting edge
刀刃曲线
1.
In this paper, a new geometric model of cutting edge of ball end mill with special rotary shaped end mill parts is modeled.
按球头铣刀的平面刀刃曲线的定义,基于球头刀刃与特种回转面形刀体上的螺旋刃在交点处应满足一阶连续的条件,建立了球头刀刃曲线的几何模型。
2.
Based on Restrain of Continuity of helical cut edges, new geometric models, along with NC grinding model, of planar cutting edge and planar rake face of ball end mill are modeled.
基于球头刀刃与螺旋刃在交点处应满足一阶连续的条件,推导出球头平面刀刃曲线及可与螺旋前刀面光滑连接的球头平面型前刀面几何模型;进而建立了球头平面型前刀面的数控磨削模型。
4)  Cutting edge
刀刃
1.
On the basis of general formula of equal screw angle cutting edge curve, usingspline interpolating function and numerical solution of ordinary differential equations, the titlemethod is put forward and verified by .
在给出等螺旋角刀刃曲线的通用公式基础上,利用样条插值函数和常微分方程的数值解法,提出了任意母线形回转体刀具的等螺旋角刀刃曲线设计方法,并用实例验证了该方法的正确性。
2.
The generating principle and grinding method of the rotary burrs flutes with plane curve cutting edge.
本文提出了一种直接磨削出具有平面曲线刀刃、平面前刀面及刃带宽度等于零的模具铣刀齿槽的原理与方法。
5)  knife edge of milling cutter
铣刀刀刃
6)  knife gap
刀刃侧隙
1.
Approach to calculating method for determining double-drum crop flying shear s knife gap;
双滚筒切头飞剪刀刃侧隙计算方法的探讨
2.
Applying mechanical principle,the torsional deformation laws of the drums and the characteristics of knife gap varying along the drum axes during the crop cutting,the function of M-T gears,and the structure characteristics of distributing gears and M-T gears such as positive s.
介绍了从日本引进的异周速双滚筒切头飞剪的技术参数、工作原理、主要结构特点,对剪切过程及剪切质量进行了描述;应用力学原理,分析了剪切过程中滚筒组的扭转变形规律,相应的刀刃侧隙沿滚筒轴线变化特点,M-T齿轮对的功用,分配齿轮和M-T齿轮所具有的正变位、短齿、齿向修形结构特点。
参考词条
补充资料:Hesse曲线(代数曲线的)


Hesse曲线(代数曲线的)
Hessian (algebraic curve)

  11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖,T~aaa,即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合,也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程,关丘=刁:f/刁xi刁、,则它的He丈犯曲线的定义方程为 !不:关:五,} }五:关:五31=0. }人,人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
  
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