fourier transform hologram meaning in English
傅里叶变换全息图
Examples
- The fundamental theory for digital lensless fourier transform holography and its applications in 3 - d object reconstruction and optical metrology are presented in this dissertation . ( 1 ) analytical foundation for numerical reconstruction of digital lensless fourier transform holography , namely discrete fourier transform theory , is presented . the basic principle and mathematical model for recording and numerical reconstruction of digital lensless fourier transform hologram is elaborated
主要内容包括： ( 1 )讨论了数字无透镜傅里叶变换全息术数值重建的数学基础? ?离散傅里叶变换的基本理论，分析了数字无透镜傅里叶变换全息图记录与再现的基本原理，建立了数字无透镜傅里叶变换全息图记录与再现的数学模型。 - The influences of recording conditions on the snr of the black - white digital images retrieved from fourier transform holograms were experimentally studied . the holograms were recorded on photoresist plates using an electrical addressed tft - lcslm as a data input device , and a normal ccd camera was applied for detecting reconstructed images
采用电寻址液晶空间光调制器作为存储系统的组页器，常规ccd探测器作为重构图像的检测器件，实验研究了在光刻胶干板上记录黑白二值条纹图像的傅里叶全息图时，记录条件对重构图像信噪比的影响。 - The aims are to implement 1 : 1 pixel - matching of high resolution data pages ( 1024 768 ) between slm and ccd , and to design a compact holographic disc storage system with optimized optical and mechanical structure , thus , to help with putting the holographic data storage technology into practice . we reviewed first the fundamental theory on volume holography ( mainly the coupling - wave theory ) , and the mechanism of holographic storage materials ( mainly photorefractive crystals and photopolymers ) . based on the above fundamentals , the importance of fourier transform holograms for holographic storage is described
本论文从盘式体全息存储的基本理论和相关技术出发,首先描述了光学体全息记录的基本物理过程和耦合波理论;然后根据全息图的类型特点,阐述了傅立叶变换全息光路作为体全息存储器的光路系统的优点;同时对光学体全息存储材料的存储特性做了一些简单的介绍;接下来讨论了光学体全息体积复用存储技术,最后对本论文工作应用到的空间-角度复用与盘式体全息存储技术以及有关体全息存储器光学设计的像差理论进行了详细叙述。