大家都搜：
菲涅耳衍射
1、diffraction───n.（光，声等的）衍射，绕射
2、fresnel effect───菲涅耳效应
3、diffraction order───衍射级（物理学术语）
4、fresnel light───菲涅耳光
5、fresnel───n. (Fresnel)菲涅耳（法国物理学家）；n.菲涅耳（频率单位，1菲涅耳相当于1012赫兹）
6、diffraction pattern───[晶体]衍射图样；[物]绕射图；衍射图，绕射图
7、diffraction experiment───衍射实验
8、diffraction entertainment───衍射娱乐
9、diffraction international───衍射国际
1、At last the light intensity distribution of Fresnel diffraction at several rectangular apertures is calculated and analyzed.───最后计算分析了多矩孔菲涅尔衍射的光强分布。
2、Firstly, the secret image is transformed into a digital hologram image by the means of discrete Fresnel diffraction.───首先，原始的水印图像经过离散菲涅尔变换转化成数字全息图，并对数字全息图进行灰度变换；
3、diameter of a thin wire was obtained by measuring the shadow in the Fresnel diffraction zone.───通过细丝后在其后菲涅耳衍射区留下阴影，测量阴影宽度可得细丝直径；
4、It is pointed out that the non-diffracted beam is a kind of Fresnel diffraction phenomenon.───同时指出所谓无衍射光束实际上是一种菲涅耳衍射现象。
5、Fresnel diffraction formula and the Fourier transforms are used to get the intensity distribution formula.───采用菲涅耳衍射公式和傅里叶变换得出了输出面上的光场的理想计算公式。
6、Numerical Computation and Numerical Reconstruction of Optical Fields Distributing for Fresnel Diffraction───菲涅耳衍射光场分布的数值计算与数字重构
7、The new image encryption algorithm was proposed based on multiple Fresnel diffraction transforms and phase encryption masks.───基于多重菲涅耳衍射变换和相位密码板，设计了一种新的图像加密计算方法。
8、Fractional Fourier transformation implemented by Fresnel diffraction with converging spherical wave illumination───会聚球面波照明下由菲涅耳衍射实现分数傅里叶变换
9、A discussion of light intensity distribution for the Fresnel diffraction of filament───对菲涅耳细丝衍射光强分布的探讨
1、Fresnel diffraction pattern numerical Fresnel diffraction pattern numerical simulation!
2、Numerical results demonstrate the advantages of super-Gaussian and serrated apertures in suppressing Fresnel diffraction modulations and maintaining relatively large fill factor.
3、The Fresnel diffraction formula and the Fourier transforms are used to get the intensity distribution formula.
4、Experimental results of electron interference and Fresnel diffraction observed on a transmission electron microscope using an electrostatic biprism as beam-splliter are reported.
5、By using Fresnel diffraction, we get the imaging and pseudo-phase-conjugation properties of the optical array with large radius of curvature which is composed by many optical elements.
6、From the Fresnel diffraction equation, we calculated the intensity distribution of the FHB in free space, and found that there is an interested propagation property of the FHB before the focal plane.
7、And point out the beams whose expression is the zeroth order Bessel function is not nondiffraction beams, but it is a kind of special Fresnel diffraction beams or interference.
8、Staring from Fresnel diffraction integral, we deduced the optical intensity distribution in the Fresnel zone of the diffraction field of the annular-aperture lens axicon.
9、The result indicates that fractional Fourier transform is the proper mathematic tools to Fresnel diffraction.