1) Least square center
二乘圆心
2) least square centers
最小二乘圆心
1.
So the least square centers of sections can be regarded as the reconstruction datum of cylindrical form error.
除零件截面的尺寸变化及截面的圆度形状误差外 ,截面间的相互位置同样是影响零件圆柱度形状误差大小的重要因素 ,因此可以把截面最小二乘圆心的位置作为圆柱度形状误差重构的基准点 。
3) least square circle
最小二乘圆
1.
In this paper a least square circle method is presented for calculating the dot center place,and an example is given.
提出了最小二乘圆法求取激光斑点中心位置的方法,并给出了算法实例。
2.
For the auto examination of the component part which is assembled by frequently-used revolving bodies,this paper deduced some formula using least square circle,least square line and coordinate transformation.
本文针对常用回转体组合零件自动检测的需要,利用最小二乘圆与最小二乘直线拟合以及坐标转换的方法,推导了相应理论计算公式,并据此得到了一套自动消除系统误差的新方法。
4) Least-square circle
最小二乘圆
1.
By careful mathematical calculation several formulars of the least-square circle parameters are established in this paper,They are related to the centre position(a, b)and the radius(R)of the least-quare circle.
提出一种评定圆度误差的最小二乘圆参数的新计算公式，即最小二乘圆中心位置（ａ，ｂ）及半径Ｒ的计算公式。
5) least square ellipse
最小二乘椭圆
1.
It describes that fitting laser spot to obtain 5 independent parameters based on the principle of least square ellipse and establishing the relationship between spatial plane and elliptical parameters.
由最小二乘椭圆拟合法得到椭圆光斑的5个独立参数,并建立空间平面与椭圆参数之间的关系,采用SWIFT算法进行搜索求解,无需特征点匹配,即可确定空间平面的位姿。
6) least square method
最小二乘圆法
1.
The problem of evaluating roundness errors with the least square method is researched A algorithm on evaluating roundness errors using computer is issued.
用最小二乘圆法研究圆度误差评定问题。
补充资料：圆心
【圆心】
（术语）求涅槃圆果之心也。寄归传四曰：“圆具圆心，遵修律藏。”
（术语）求涅槃圆果之心也。寄归传四曰：“圆具圆心，遵修律藏。”
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