In an amplitude grating system of small grid pitch, the diffractive light is the main cause to deteriorate the contrast and sinusoidal property of Moiré signals.
在国内外普遍使用的细栅距幅光栅叠栅条纹系统中，衍射效应是很明显的，这是造成叠栅条纹信号的衬比（度）和正弦性不好的主要原因。
The authors show that using the half-wave strip method to deduce the bright and dark fringe conditions of Fraunhofer grating diffraction is simpler than the amplitude vector method.
本文用半波带法对夫琅禾费光栅衍射进行分析该方法和常用的振幅矢量法相比，分析衍射条纹的位置更要快捷，明了。
We inscribed surface relief grating on the thin films using Point-by-Point method and amplitude mask method (the amplitude mask was taken place by grating roll film manufactured by ourselves).
利用逐点写入法和振幅掩模法(振幅掩模板为自制光栅胶片)在这种薄膜上刻写了表面形貌光栅。
The series density formulae of the binary phase grating are obtained from the general complex amplitude transmittance formulae through Fourier integral.
它直接从位相物体振幅透过率的一般公式出发，运用傅里叶积分，求得二进制位相光栅各级衍射光强度的通式。
The series density formulae of the binary phase grating are obtained from the general complex amplitude transmittance formulae through Fourier integral.
它直接从位相物体振幅透过率的一般公式出发，运用傅里叶积分，求得二进制位相光栅各级衍射光强度的通式。
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