您要查找的是不是：
- fresnel diffraction pattern 菲涅尔衍射图
- The 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。
- A new point of view is that if the angle between the normal dir-cetion of incident wave surface and Z axies is smaller, fresnel diffraction for-mation is still tru, and presented. 在此基础上,对费涅耳衍射近似条件作了讨论,提出此近似条件可表达为照明波波面法线与Z轴夹角很小时,费涅耳衍射成立的新论点。
- 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轴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。
- The intensity ripples of Fresnel diffraction are suppressed and the filling factor is improved by using the serrated aperture. 从光路的实际使用效果看,对比圆孔光阑,应用波纹光阑在其作用范围内实现了对光束衍射调制的抑制和填充因子的提高。
- This paper introduced an optical setup to perform fractional Fourier transformation by Fresnel diffraction with a converging spherical wave illumination. 提出了在会聚球面波照明下，用菲涅耳衍射实现分数傅里叶变换的光学装置。
- Numerical results demonstrate the advantages of super-Gaussian and serrated apertures in suppressing Fresnel diffraction modulations and maintaining relatively large fill factor. 数值计算结果表明,超高斯光阑和锯齿光阑的优点是能有效抑制菲涅尔衍射调制并有较大的填充因子。
- Influence of Satellite Retroreflector Precision on Far-Field Diffraction Pattern[J]. 引用该论文 Zhou Hui;Li Song;Zheng Guoxing;Gao Junling.
- The X-ray diffraction pattern of maize starch granules was constituted of two parts: micro crystal regions and amorphous regions. 玉米淀粉颗粒的X-射线衍射图形是由两部分组成的：微晶区域和无定型区域。
- The electron diffraction pattern corresponding to the reciprocal planes consisting of common reciprocal points only will superpose on the matrix spots. 仅由相重倒易点构成的倒易面所对应的电子衍射图必定被基体的衍射斑点所覆盖。
- Zirconium sulphotolylphosphonate (ZSTP) was prepared and characterized first time by X-ray diffraction pattern, TGA, IR and elemental analysis. 首次制得磺化甲苯膦酸锆（ZSTP），用X-衍射、热重量分析、红外光谱、元素分析等进行了表征。
- Finally, the body factors of the particles are achined from the inversion to the diffraction pattern of ellipsoid model. 并从椭球模型的衍射图像反演得到微粒的形体因子。
- Using our method,the FFT program needs a little of computer memory to finish the calculation of Fresnel diffraction with the arbitrary interval of sampling and the demanded precision. This method can be extended conveniently to Collins? formula. 利用这种方法 ,只要用小容量 FFT程序 ,便能完成任意给定取样间隔或计算精度的菲涅耳衍射及柯林斯公式的计算
- In the course of corn starch being pregelatinied by heating and drying, the law of change of X ray diffraction pattern is studied. 研究了玉米淀粉糊在加热干燥制成预糊化淀粉的过程中，X射线衍射曲线的变化规律。
- Based on the Fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed. 摘要基于菲涅耳衍射积分公式，推导出了会聚球面波通过环形光阑后场分布的解析公式，并讨论了一些特殊情况。
- Based on the theory of fractional Fourier transform (FRT) and one of its very important parameter, fractional order, the relationship between FRT and Fresnel diffraction are deduced and analyzed. 摘要基于分数傅里叶变换理论并以分数阶这一重要参量为纽带，推导和分析了分数傅里叶变换与菲涅耳衍射之间的关系；
- The statistical properties of dynamic speckles produced in the Fresnel diffraction field by the rotating cylindrical object considered to be a weak phase screen are investigated in detail. 研究了当旋转圆柱体表面满足弱散射体条件时，在菲涅尔衍射场形成的动态散斑的统计特性；
- Adopting the space-group extinction rule and simulating the electron diffraction pattern with computer, this paper proposed a new method for selecting the reduced quadrangle. 引入空间群消光规律,用计算机模拟电子衍射图,提出选取约化四边形的新方法。
- Basing on the light diffracting theory of Kirchhoff, we obtain the expression for the intensity of speckles in deep Fresnel diffraction region. 摘要利用基尔霍夫衍射理论分析了菲涅耳深区内的散斑场，得到了菲涅耳深区散斑光强的一般表达式。
- This calibration is usually carried out by employing a double exposure technique in which the diffraction pattern and electron image of a crystal of molybdenum trioxide are successively exposed. 这个标准通常利用使得衍射模型和一个三氧化钼的结晶体的电子成像成功展现的双投照技术来执行。
