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彩色套印过程中必须检测出套色偏差并予以纠正，而彩色套印偏差的检测是通过检测邻色标的间隔从而获得的．本文报道了一种用于塑料薄膜多色套印中套色偏差检测的光电扫描式探测系统的研制．给出了其测量原理、系统构成及结果．
Chromatic aberration must be detected and corrected in color overprinting, and the detection of color overprinting bias is obtained by detecting the spacing of adjacent colors. This paper reports the development of a photoelectric scanning detection system for the chromatic aberration detection of plastic film multi-color overprint. The measurement principle, system configuration and result are given.