夫琅禾费衍射
- 网络fraunhofer diffraction
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用数码相机实现夫琅禾费衍射测量细丝直径
The measurement of fine wire diameters by Fraunhofer diffraction principle with digital camera
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夫琅禾费衍射公式的一般形式
The general expressions of the Fraunhofer diffraction formula
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研究了Cantor型分形光栅的夫琅禾费衍射特性,使我们对分形结构上的衍射问题和特性有一定的了解。
Fraunhofer diffraction from Cantor fractal grating is studied .
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Cantor型分形光栅的夫琅禾费衍射特性研究
Study of Fraunhofer diffraction from Cantor fractal grating
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用Fresnel-Kirchhoff衍射积分求解夫琅禾费衍射场分布时引入衍射屏平移相因子,可简化对较复杂衍射屏夫琅禾费衍射的讨论,加深对衍射、干涉现象的理解。
The intensity distribution of the Fraunhofer diffraction field is studied with Fresnel-Kirchhoff diffraction integral and translation phase factor of the screen .
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高斯光束照射下的圆盘夫琅禾费衍射
The Fraunhofer diffraction at a circular disc illuminated by a Gaussian beam
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一类与椭圆和矩形相关的孔径的夫琅禾费衍射研究
Study on Fraunhofer-diffraction of a ellipse / rectangle aperture class
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多缝夫琅禾费衍射缺级现象分析研究
Analysis and study of missing orders phenomenon in the multi-slit Fraunhofer diffraction
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随机分布的多圆孔的夫琅禾费衍射场分布研究
Analysis on the Fraunhofer diffraction of random distributed holes
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夫琅禾费衍射场的相位弯曲及其对光传输和成像过程的影响
The phase curvature of Fraunhofer diffraction field and its effect on wave propagation and imaging
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用衍射屏平移相因子计算夫琅禾费衍射场强分布
A study intensity distribution of the Fraunhofer diffraction field with translation phase factor of the screen
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正方形小孔方阵夫琅禾费衍射光强分布用相干激光束曝光孔点阵列图形的几种方法
Fraunhofer-diffraction Light Intensity Distribution of the Square Apertures Arranged as Phalanx ; Methods for patterning hole or dot arrays with coherent laser beams
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基于夫琅禾费衍射理论和巴比涅互补原理,提出了利用激光衍射对细丝直径进行动态测量的方法。
Based on the theory of Fraunhofer diffraction and Babinet principle , a method is proposed for dynamically measuring fine-wire diameter using laser diffraction .
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搭建了由光学系统、光电转换设备及信号处理设备组成的夫琅禾费衍射直径测量系统。
Fraunhofer diffraction diameter measurement system which is formed by the optical system , photoelectric conversion device and signal processing device is constructed in this paper .
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基于夫琅禾费衍射理论,推导了平行光入射变栅距光栅后衍射光强的角度分布。
On the basis of Fraunhofer diffraction theory , the diffraction patterns of a Varied Line-space ( VLS ) grating were obtained for incidence beam in parallel and uniform .
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依据一类与椭圆和矩形相关的几何形状孔径的数学模型及其傅里叶变换,得出了其夫琅禾费衍射光场分布的一维积分表达式及其衍射图样。
Based on mathematical models of a rectangle / ellipse geometric aperture and its Fourier transform , a one-dimensional integrated form of Fraunhofer-diffraction optical field distributions and its patterns are derived .
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在普通物理的框架内对不同情况下夫琅禾费衍射光场的相位弯曲因子的形式进行了推导,并对其物理意义给出直观的说明;
The form of phase curvature of Fraunhofer diffraction field and its concrete expressions in different conditions are derived in the frame of general physics , their physical meanings are explicitly explained .
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根据菲涅耳基尔霍夫衍射公式,利用贝塞尔函数的积分表达式得出夫琅禾费衍射场的光强级数解,进而讨论了衍射场的基本特征。
According to the Fresnel-Kirchhoff diffraction formula this thesis gets the light strength progression solution of the Fraunhofer diffraction field through the integral expression of the Bessel function , and gives further discussion of the basic characters of the Fraunhofer diffraction field .
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以夫琅禾费衍射作为测量过程的基本原理,根据物理光学的基础知识推导了测量系统的计算公式并对衍射图样的频谱进行了分析。
By using the Fraunhofer diffraction as the basic principle of the measurement process , this paper analyzed the calculation formula , and the spectrum of the diffraction pattern of the derivation of the measurement system according to the knowledge of physical optics .
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从不同的途径导出了大角度情形下亦成立的夫琅禾费衍射积分的一般形式,指出此一般形式公式是求解夫琅禾费衍射的基本公式。
The general expressions of the Fraunhofer diffraction integral , which can also be tenable in the case of a big diffraction angle , are derived by using different methods . It is pointed out that the general expressions are the basic formulae to solve the problems of Fraunhofer diffraction .
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对夫琅禾费圆孔衍射光能量的分析
Analysis of light energy to fraunhofer diffraction of circular hole
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夫琅禾费矩孔衍射的特征及其MATLAB模拟
On Characteristics of Fraunhofer Matrix Aperture Diffraction and Its Simulation of MATLAB
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关于夫琅禾费环孔衍射的讨论
Discuss About the Fraunhofer Ring Aperture Diffraction