无论是线型或旋转式光学编码器，大多应用副光栅与光栅尺间之莫尔效应(Moire Effect)：两光栅之条纹平行?K往垂直光栅方向相对位移，而产生周期性明暗变化；此周期性之明暗?
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基于莫尔效应，本文提出了一种利用白光面光源进行双编码栅反向投影，以等位线条纹的形式测量物体相位变化的新方法。
Based on the Moire effect in shadow-casting of two coded masks a new kind of optical method is proposed to map phase variation on the object image with an extended incoherent illumination.
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。
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.
具体分析了以矩形光栅为例的周期性目标莫尔条纹式的混淆效应，以及非周期性目标噪声形式的混淆效应。
Moire effect as an aliasing phenomenon of periodic objects and aliasing contents as signal dependent noise of non-periodic objects are analysed.
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