1) concentric-circle grating
同心圆光栅
1.
First,the authors established the mathematic model of two concentric-circle gratings,by using a low-pass filter to moiré fringe the authors obtained the real moiré fringe.
通过对两个同心圆光栅干涉产生莫尔条纹过程的分析,提出了一种测量二维平面位移的方法。
2.
In the field of ultra-precision measurement, tiny two-degree-of-freedom error information can be separated from moiré fringe image generated by overlapping a pair of concentric-circle gratings.
在超精密测量领域中 ,通过处理同心圆光栅副迭合的莫尔条纹图像可以分离出二自由度的微小误差信息。
2) circular concentric grating
同心环状光栅
3) circular concentric gratings
同心环形光栅
1.
The quantitive expression of measuring angles and refractive index by circular concentric gratings is derived in this paper and some experiment results are also given,which provide a concise and precise method of measuring angles and refractive index with Moire fringes of circular concentric gratings.
本文导出了同心环形光栅莫尔条纹在测量角度方面的定量表达式 ,并给出了测量结果 ,提供了同心环形光栅莫尔条纹测量角度的既简洁又精确的方法。
4) circular grating
圆光栅副
1.
Error compensation for eccentric motions of circular gratings;
运动偏心对圆光栅副测量的影响及误差补偿
5) circular grating
圆光栅
1.
The Precision and homogenity of Circular Grating;
圆光栅精度及均匀性研究
2.
A circular grating is used for accurate positioning.
该控制系统采用圆光栅作为转台位移检测工具,采用了数字位置环和模拟电流环共同组成双闭环随动系统,其中位置控制器是带有速度前馈和加速度前馈的数字PID伺服滤波器。
3.
Aimming at high positioning accuracy demands of revolute joint,the closed-loop feedback using circular grating was adopted.
从提高位置精度出发,采用了基于圆光栅全闭环反馈的回转关节控制方案。
6) Circle grating
圆光栅
1.
A method of making circle grating with linear component and its principle;
利用线性元件制作圆光栅的原理及方法
补充资料：同心圆
1.同一平面上同一圆心而半径不同的圆。
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