A method of spatial straightness measurement by means of non diffracting beam and moire fringe is proposed.
提出用无衍射光和莫尔条纹进行空间直线度测量的技术。
The resultant phase change can be converted to a straightness measurement according to the relationship of the mirror Angle.
由此产生的相变可转换为直线度测量，根据关系的镜子角度。
The effects on straightness measurement are analyzed for the cube-corner retroreflector with angle errors, surface errors, yaw, pitch and roll.
分析了角锥棱镜的制造角差、面形误差和测量过程中角锥棱镜的偏摆、俯仰、滚转对直线度测量的影响。
A method for roll angular error measurement of NC machine tool vertical axis was studied based on straightness measurement using laser interferometers system.
以激光干涉仪直线度误差测量为基础研究了数控机床垂直轴滚转角误差的检测方法。
As the data of straightness measurement are processed, Coordinate Transform method can not estimate the positions of High-Low-High or Low-High-Low correctly once.
在直线度测量数据处理过程中，运用坐标变换法时，往往不能一次正确估计“高—低—高”或“低—高—低”点的位置，所以需通过多次坐标变换才能达到目的。
The optical properties of doubling the measurement accuracy using the cube-corner retroreflector which is applied to laser straightness measurement are analyzed in theory.
对角锥棱镜用于激光直线度测量时可使测量精度提高一倍的光学特性进行了分析。
The sensitivity of the straightness measurement can be improved by a factor of 8 compared with the movement of the detector itself via using multi-reflection and combination lenses.
利用测量光线的多次反射和组合透镜的方法使测量系统的分辨率相对于用探测器直接探测分辨率提高了8倍。
At present, long optical flat is still mainly adopted as calibrating benchmark in straightness measurement, whose accuracy is not so high (especially in measuring great-size parts).
我国目前主要仍采用长平晶组分段互检方法作为直线度检定基准，测量精度不高(特别是在测量大尺寸零件时尤为明显)。
Atmosphere turbulence is the major factor that affects the accuracy of the propagating direction of a laser beam, and causes serious errors in laser straightness measurement at long distance.
在激光基准长距离、高精度直线度测量中，空气扰动是影响其测量精度的一个主要因素。
Perform this measurement for all finished faces, and take the maximum as the measured value of the straightness.
对工件所有精加工面进行测量，取最大值作为直线度的测量值。
This paper relates a new method for laser measurement of straightness of large sized objects.
介绍一种激光测量大尺寸物体直线度的新方法。
Compiles the arithmetic codes based on MATLAB, analyzing and fitting the measurement data, assessing the straightness error.
编写了Matlab语言的算法代码，对当前测量系统采集的直线度数据进行拟合分析，进行直线度误差评定。
Good results are obtained from the practical measurement of ultra precision straightness with the application of the inductive transducer and the new method.
利用它们进行超精密直线度测量，具有良好的效果。
Good results are obtained from the practical measurement of ultra precision straightness with the application of the inductive transducer and the new method.
利用它们进行超精密直线度测量，具有良好的效果。
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