The plate to be processed is modulated by ronchi raster and after developing and fixing two dimensional coding photograph is made.
将要处理的图像底片经过郎奇光栅的调制、显影、定影后得到二维的编码片。
A measurement method of the large-aperture aspheric surfaces with the ronchi wonderful legal quantity the new technology was proposed.
提出了一种用朗奇法定量检测大口径非球面的新技术。
A new method for long focal length measurement is presented, which is accomplished by obtaining the Angle of moire stripe formed by Talbot effect of Ronchi grating.
提出通过对龙基光栅的塔尔博特效应所产生的莫尔条纹角度的计量来测量长焦距的方法。
The shape measuring of a diffuse abject is conducted based on 2-D digital image processing phase modulated fringe pattern acquired by the projection of Ronchi rulings.
对投影光栅方法获得的位相调制空间载波图进行二维数字图象处理，实现了散射物体的三维曲面测量。
The shape measuring of a diffuse abject is conducted based on 2-D digital image processing phase modulated fringe pattern acquired by the projection of Ronchi rulings.
对投影光栅方法获得的位相调制空间载波图进行二维数字图象处理，实现了散射物体的三维曲面测量。
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