The constant of grating is one of the most important parameters to assess the quality of grating.
光栅常数是检验光栅质量的重要参数之一。
Time grating displacement sensor is working on theory of time-space coordinate transformation, which need constitute a moving coordinate with constant velocity V.
基于时空坐标转换理论而研制的时栅位移传感器实现了以时间测量空间，但关键是要构建一个以恒速V运动的坐标系。
The method of using CCD to measure the constant of hologram grating in real-time when the grating is under manufacturing is discussed.
本文讨论了在制造全息光栅过程中，CCD实时测量全息光栅常数的方法。
This paper introduces the influence of grating constant on response characteristics in C60-doped nematic liquid crystals(5CB) by two beam-coupling experiment.
通过二波耦合实验研究了C60掺杂向列相液晶中光栅形成的响应特性与光栅常数的关系。
The accuracy of this method is discussed and also the factors including grating constant, position etc would affect the measurement accuracy are demonstrated.
进而，本文详细分析了系统的测量精度以及影响精度的主要因素，包括光栅周期、栅线夹角、光栅位置等系统参数的选取；
The structural principle of grating is analyzed at first, and then a conclusion is reached that the height fit coefficients are not constant.
首先分析光栅投影法的结构原理，得出高度拟和系数并非常量的结论。
The structural principle of grating is analyzed at first, and then a conclusion is reached that the height fit coefficients are not constant.
首先分析光栅投影法的结构原理，得出高度拟和系数并非常量的结论。
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