傅立叶光学

主讲傅立叶光学与信息处理、光电检测技术及应用等课程。

Main Course : Fourier optics and information processing , Photoelectric detection technology and application and so on .

应用几何光学和傅立叶光学分析法，并结合空间视觉混合原理研究印品龟纹现象。

Studying printing moire phenomenon by the basic theory of geometrical optics and Fourier optics , bonding the principle of space visual compounding .

本论文以傅立叶光学为依据，详细讨论了一种利用CMOS成像对镜头成像质量进行快速评价的系统。

In this paper a system using CMOS imaging technique is proposed to evaluate quickly the imaging quality of lens on the basis of Fourier Optics .

首先，论文从傅立叶光学原理出发，分析了4f系统的基本原理和组成，构建了光学小波变换需要的4f系统光路，提出了一种4f系统自动加载和采集图像的实现方法。

The optical path of the 4f system needed by optical wavelet transform was constructed . The realization method which could automatically load and acquire images in the 4f system was proposed .

论文应用傅立叶光学的空间频域变换，从空间频域的角度分析了AWG的传输特性，探讨了AWG的傅立叶变换功能及其相干系统特性，以及它在光信息处理领域中的应用。

From the point of spatial frequency domain the paper applies the spatial frequency transformation to analyze the AWG transmission characteristics and probes into the function of Fourier transform , the characteristics of coherent system and its application in optical information process domain .

波长对分数傅立叶光学系统输出的影响

Effect of Wavelength on Output of Optical Fractional Fourier Transform System

建立在傅立叶光学理论基础上的分析与实验结果是一致的。

The analysis based on the Fourier optical theory is coherent with the experimental results .

根据傅立叶光学原理和视觉系统的要求，研制一组远距型的傅立叶变换透镜。

A set of long-distance Fourier transform lens is developed according to Fourier optical principle and the demands of the vision system .

根据傅立叶光学理论从光栅的衍射频谱中可以反推光栅本身的多种信息，包括其形貌特征。

A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory .

根据实际卫星遥感成像的大气云雾影响特性，和傅立叶光学空间滤波原理，从云雾频谱分析的角度讨论模糊图像的滤波恢复处理方法。

Based on the practical atmosphere characteristic , the restoration methods are described through filtering the blurred images from the angle of Fourier optics spectrum .

依据傅立叶光学理论，解释了球面波记录平面波再现的数字全息过程，并给出了数学表达式，同时进行了相应实验研究。

On basis of Fourier optical theory , the process of particle holography with spherical wave recording and plane reconstructing is interpreted and the mathematical description is given .

在弱物体近似下，运用傅立叶光学，从成像系统角度对自聚焦共焦传感技术进行了理论研究。

By Fourier optics method , fiber-optic confocal sensor using a gradient-index ( GRIN ) lens has been analyzed theoretically as an imaging system upon the weak object approximation .

基于波动光学、多普勒分析以及傅立叶光学的方法推导了二维光栅平面微位移测量的基本原理；

Based on the physical optics , Doppler principle and Fourier optics , the principle of plane micro-displacement by single 2-D diffraction grating and single light source was deduced ;

对比试验结果，发现傅立叶光学给出的结果类似几何光学的情况，而且模拟结果与试验结果基本一致。

It is found that the simulation results by Fourier optics are similar as those obtained by geometrical optics , and all simulations are almost corresponding to the experimental result .

在假定照明光源是均匀分布的小圆形光源和狭缝为一矩形的条件下，分别利用几何光学和傅立叶光学给出不同屈光度下光强分布情况。

In the case of little circular light source and rectangular slit , the simulation results of different myopic diopters are obtained by geometrical optical theory and Fourier optics respectively .

对普通平行平板剪切干涉在结构上进行了改进，将傅立叶光学空间频率合成原理应用于横向剪切干涉对光束的准直性进行检测。

The choice of proper initial angle of incidence makes a lateral shearing interference easy to realize between the two beams reflected from the front and back surfaces of a plane-parallel plate .

从标量衍射理论出发，在傅立叶光学的基础上，建立一个数学模型，分析台阶侧壁倾斜对多阶菲涅耳透镜衍射效率的影响。

Based on the theory of scalar diffraction and on the Fourier optics . a mathematical model is established . The effect of step sidewall tilt on diffractive efficiency of Fresnel lens is analyzed .

利用傅立叶光学中正弦位相光栅理论分析了不同入射角的激光在毛细波上的衍射，给出了衍射光斑光强分布与入射角的解析关系。

The theory of laser diffraction from capillary waves at a different angle of incidence is found from the theory of Fourier Optics , and the relation between the diffraction intensity and the angle of incidence is obtained .

首先分别从几何光学的角度和傅立叶光学的角度对莫尔条纹的形成原理及分布规律进行深入的分析，并分别推导出莫尔条纹在空间域和频率域中的数学模型。

This paper provides deep research on the principle and distribution law of moire ' in respect of geometrical optics and Fourier optics , produces a mathematical models of moire ' in geometrical space area and frequency area .

本文以傅立叶光学空间频谱分析原理为基础，根据衍射理论，阐述了激光衍射测量微细线直径的方法，确定了有限尺寸的单色平行照明光场内细线衍射光强与细线直径之间的关系计算公式。

Based on Fourier Optics Spatial spectrum analysis principle and diffraction theory a method of fine wire diameter measurement with laser diffraction is described , the calculation formula between fine wire diffraction intensity and its diameter within limited monochromatic parallel light field is identified .

为此，论文提出了玻璃的折射率和色散变化对二级光谱的影响，推导了它们之间的关系式，实际应用于CE-1傅立叶变换光学系统的玻璃选取，取得了好的效果。

Therefore , the effects of the variety of the refraction to secondary were brought forward and the relationship between them was deduced . This formula was used into the CE-1 FT lens and gets a good result .

两个简单的分数傅立叶变换光学装置

Two Simple Optics Sets for the Fractional Fourier Transform

采用分数傅立叶变换的光学图像处理方法研究

Research of the Fractional Fourier Transform Applied in Optical Image Processing

基于相位编码及分数傅立叶变换的光学加密

Image Encryption Based on Phase Encoding and Fractional Fourier Transform

分数傅立叶变换的光学实现及其应用

Optical implementation and applications of fractional fourier transform

在分数傅立叶变换、光学系统、菲涅尔衍射关系的基础上，研究分数傅立叶变换在光学图像处理中的应用。

This thesis is the research about FRFT applied in optical image processing areas .

采用光学傅立叶变换及光学相关探测使所有采样点并行处理，并以光速进行，提高了处理速度。

By using optical Fourier transform and optical correlation detection , all sample spots can be processed simultaneously , and the processing is at a speed of light velocity , so the speed of the processing is highly increased .

分数傅立叶变换自引入光学领域以后，它在光学，图象处理，信号滤波等方面的应用研究备受人们重视。

Since Fractional Fourier transforms were firstly introduced in optics in 1993 , their application has been exploited in many research domains , such as beam propagation , image processing and signal filtering etc.

给出两个可实现分数傅立叶变换新的简单光学装置，利用光学标度分数傅立叶变换和矩阵光学的方法，得到实现分数傅立叶变换的条件。

We get two simple optics sets which can also be used to implement the fractional Fourier transform .

光学相关是以光速进行的，处理速度快，结构简单，利用由空间域到频率域的傅立叶变换来实现的，本文针对如何设计傅立叶变换系统实现光学相关进行研究。

In this article , we mainly study how to design optical Fourier transformation system which can realize optical correlation .