fourier optics meaning in English
傅里叶光学
Examples
- 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
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。 - The paper first presents the configuration , the principle , the applications , new development in the wdm system and the solutions to relevant problems of awg then the paper introduces the theory basis of spatial frequency analysis of awg : fundamental fourier optics
论文首先介绍了awg的结构原理，在wdm系统中的应用、新发展及其相应问题的解决措施。然后介绍了awg的空间频率域分析方法的理论基础：傅里叶光学的基本理论。 - This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center , containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity . at the same time , many wide - applied metering technology , for example , the diffracted field ( fringe ) measurement , co - focal lens system , optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well , were combined into it successfully . this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing , instrument science , measuring and testing technology and automatic technology
该多功能激光光电实验系统以泰曼-格林干涉( twyman - green )光路作核心，包括先进的数字波面干涉技术和一种基于空间干涉原理的、纳米分辨率零差干涉仪位移测量方法，同时将多种新颖、工程实用价值高的测量技术和光路如衍射测量、共焦显微技术、光纤传感技术以及反映傅立叶光学基本光学原理的4f空间滤波系统也组合进去。 - Fractional fourier optics is regarded as the development and extension of fourier optics and it has become a new branch of modern optics , thus a new mathematical and optical tool is achieved . with the tool , we can study the light wave propagation , diffraction , imagery and information processing
分数傅里叶光学是傅里叶光学的发展和延拓，是现代光学新分支，它可以使我们用一个新的观点去审视光的传播、衍射、成像和信息处理等问题，并为我们提供一种新的工具去处理这些问题。 - The system is on the basis of fourier optics . by using knife edge as object , cmos sensor as device for image reception , we get edge spread function from the image histogram and use differential operation and fft to achieve mtf of the lens , then its image quality is obtained
本系统以傅立叶光学为依据，以刀口为目标物，以cmos为图像接收器件，采用独特的算法，从刀口图像的灰度直方图中获得其刀口边缘函数，经微分和fft运算，得到待测镜头的mtf ，从而得知其成像品质。