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.
光栅投影法是计算机辅助设计、逆向工程等领域用于物体轮廓测量的常用方法。
Grating project is a common method use for profilometry in Computer-Aided Design, Reverse Engineering and other fields.
首先将矩形光栅投影在被测表面上，利用光栅投影法测量自由曲面上每点高度信息。
First, grating is projected on measured free surface, and height data of each point on free surface is measured by the grating projection method.
以余弦光栅作为投影光栅和参考光栅，对投影型莫尔法从物理光学的角度进行了理论分析。
The cosine grating is taken as the projected grating and the referenced grating; the projection moire method is analyzed by the physical optics.
在光栅投影三维轮廓术中，直接条纹位移分析法存在着垂直条纹方向分辨率低的缺点。
Among all methods of 3-d profilometry with projecting grating, direct fringe displacement analysis has the fault of low resolution in vertical fringe direction.
在光栅投影三维轮廓术中，直接条纹位移分析法存在着垂直条纹方向分辨率低的缺点。
Among all methods of 3-d profilometry with projecting grating, direct fringe displacement analysis has the fault of low resolution in vertical fringe direction.
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