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研究了CCD像感器的莫尔效应,给出了CCD产生莫尔条纹的光强分布特性方程,当满足一定条件时可获得用于计量的莫尔条纹。实验表明,用CCD产生莫尔条纹方法简单,易于实现自动处理,有广泛的实用价值。
The Moire effect of the CCD image sensor is studied, and the equation of the light intensity distribution characteristic of the moire fringes generated by the CCD is given. The moire fringes used for the measurement can be obtained when certain conditions are met. Experiments show that the use of CCD Moire fringe method is simple and easy to implement automatic processing, has a wide range of practical value.