The intensity distributing and the contributing range for using the serrated aperture are analyzed based on Fresnel diffraction theory.
应用菲涅耳衍射光强分布理论以及光上光强分布理论对波纹光阑在一定条件下的作用范围进行了分析。
A binary Fresnel lens with 8 phase steps can be manufactured with micro-optical element fabricating technology and three times of alignment according to Fresnel diffraction theory.
根据菲涅耳衍射理论，采用微光学元件制作技术，通过三次套刻制作出八位相台阶的二元离轴菲涅耳透镜。
Brsed on the wave theory of optics, the affect caused by the phase error in Fresnel near-field diffraction equation is analysed.
根据波动光学的理论，对菲涅耳近场衍射公式误差相位的影响进行了分析。
The amplitude and intensity analytic expressions for disk (sphere) and annular aperture Fresnel diffraction are given on the base of scalar diffraction theory.
在标量衍射理论的基础上，给出了圆屏(球)和圆环菲涅耳衍射的振幅及光强解析表达式。
When diffraction problems are solved by the angular spectrum theory, high speed and high accuracy can be obtained, especially for near-field Fresnel diffraction.
用角谱理论来处理衍射光场，不仅速度快，而且在处理近场菲涅耳衍射光场时的准确度是其它方法无法比拟的。
Mathematical representations for three kinds of reconstruction algorithms (Fresnel integral, convolution and Fourier transform) of digital hologram are deduced based on the diffraction theory.
在衍射理论基础上详细推导了三种再现算法(菲涅耳积分变换法、卷积法、傅立叶变换法)的数学表示。
A method of making Fresnel encrypted dot matrix holograms is presented on the basis of the diffraction theory of binary amplitude diffractogram.
本文根据二元振幅衍射图的衍射原理提出了实现点阵全息图的菲涅尔加密的方法，并在此基础上提出了相应的再现系统。
First, based on the theory of Fresnel diffraction, the diffraction patterns are analyzed when the point source at the front focus or it's nearby of the lens.
首先，利用菲涅耳衍射理论，分析了无衍射成像系统中点光源在透镜焦点及焦点前后所产生的无衍射光斑形式。
Basing on the light diffracting theory of Kirchhoff, we obtain the expression for the intensity of speckles in deep Fresnel diffraction region.
本文利用基尔霍夫近似理论，对菲涅耳极深区相干散斑和部分相干散斑进行了理论研究和计算模拟。
Basing on the light diffracting theory of Kirchhoff, we obtain the expression for the intensity of speckles in deep Fresnel diffraction region.
本文利用基尔霍夫近似理论，对菲涅耳极深区相干散斑和部分相干散斑进行了理论研究和计算模拟。
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