该技术的一个突出优点是在具有背景噪声的全息测量情况下，可以消除背景噪声对全息变换结果的影响。
A particular feature of the technique is that the influence of background noise on reconstructed results can be removed while retaining the background noise in the holographic measurements.
提出利用全息透镜阵列来实现多通道分数傅里叶变换技术。
In this paper, a technology of implementation of the multichannel fractional Fourier transform (FRT) is proposed using holographic lens array.
瞄准具的核心部件是由一块无透镜傅里叶变换位相全息图和一块全息光束变换器组成的全息光学元件。
The critical part of this sight is a holographic optical elements combined with a lensless Fourier transform hologram and a holographic beam transformer.
提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
如何设计由全息透镜构成的光学系统用来实现所要求的变换，是当前应用光学的一个重要课题。
An important problem in applied optics is the design of an optical processing system composed of a series of holographic lenses for the purpose of realizing an arbitrary transformation.
本文将相位分析技术中的傅立叶变换法(FTM)引入二次曝光全息干涉计量中，提出了二次曝光数字全息干涉术。
In this paper, we apply the Fourier transform method (FTM) of the phase analysis method to double-exposure holographic interferometry and propose double-exposure digital holographic interferometry.
本文提出一种利用傅里叶变换全息图存储彩色胶片的方法。
A method for storage of color films using Fourier transform holograms isp resented.
结果表明：直接对无透镜傅里叶数字全息图进行傅里叶逆变换可同时得到与物体完全相同的再现像及其共轭像；
The experimental result shows: In the digital Fourier holography, the reconstructed image and the conjugate image can be obtained by use of Fourier inverse transform directly.
通过多维全息调制板对空间频率进行调制，完成物-频-像的变换过程，可实现空间假彩色编码。
Modulation of spatial frequency by means of multidimensional holographic modulating board can bring about transformation from object via frequency to image and implement pseudo-color coding.
利用一点光源和一束倾斜平行光拍摄了一种离轴全息透镜，并对其傅里叶变换特性进行了分析。
The Fourier transform characteristics of off-axis hololens was discussed, which was made by using a dot light source and an inclined parallel light.
针对合成孔径数字无透镜傅里叶变换全息图，在理论分析的基础上，提出了相应的分幅再现算法。
For synthetic aperture digital lensless Fourier transform hologram, a screen-division reconstruction method is proposed based on theoretical analysis.
本文对透射式傅里叶变换全息图的可能记录系统进行了设计和理论分析，并指出它们可能的应用。
The design and theory analysis were proposed for possible recording sy-stems of transmission Fourier holograms and the possible applications of Fourier holograms were discussed.
其中数字无透镜傅里叶变换全息术具有更突出的优点，因此在微结构的形貌及形变测量方面具有很强的应用前景。
However, Digital lensless Fourier transform holography has more outstanding strongpoints and better advantages for shape and deformation measurement of microstructures.
运用计算全息原理与二元光学技术设计制作了用于波面变换的计算全息cgh元件。
CGH element is designed and fabricated based on the computer generated hologram and the binary optical technique, and is applied in wavefront transformation.
将输入图像置于这种全息透镜的前面或后面，均能得到物体的傅里叶变换功率谱。
The Fourier transform power spectrum of input object can be obtained when the input image is placed at the front or back of the hololens.
文中深入分析了引入子波变换对体全息相关器所产生的作用，给出了系统一次并行输出相关通道数目的估算方法及提高系统并行性能的主要途径。
The effects of wavelet transform are studied in detail. The amount of output correlation channels is estimated, and methods to improve parallelism of the system are provided.
结果表明，对全息透镜傅里叶变换系统进行某些光学信息处理工作是可行的。
The experimental results show the fact that it can be used in some optical data processing.
该技术可应用于全息图制作、彩色图像变换、光学图像加密、滤波器的制作、光学防伪等领域。
This system can be used in hologram producing, color image transform, optical image encryption, filter producing, optical anti-counterfeiting and other fields.
针对三维物体数字全息实验系统的特点，提出了基于多尺度变换的数字图像处理方法。
A set of digital image processing algorithms based on multi-scale transform is proposed according to the characteristics of 3-d digital holography.
本文采用方块、英文字母、汉字等作样品，对无透镜傅利叶变换软X射线激光全息术作了模拟仿真，其结果和可见光全息实验及理论都相符合。
In this paper, block, English letter and Chinese charchter were used as the samples to simulate non lens Fourier transform soft X ray laser holography. The simulat…
本文采用方块、英文字母、汉字等作样品，对无透镜傅利叶变换软X射线激光全息术作了模拟仿真，其结果和可见光全息实验及理论都相符合。
In this paper, block, English letter and Chinese charchter were used as the samples to simulate non lens Fourier transform soft X ray laser holography. The simulat…
应用推荐