这种方法不需要傅里叶变换透镜以及空间滤波器图案板。
This method does not require any Fourier-transforming lenses and masks for spatial filtering.
光学信息处理实现是在光学信息处理系统上进行的，系统的最基本最关键的部件就是傅里叶变换透镜。
Information processing of optics is really carried out on the optical information process system, the most basic key part is Fourier transform lens.
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.
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.
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.
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.
本文讨论了薄透镜孔径对透镜傅里叶变换公式导出带来的困难，较全面地分析了使用该公式应满足的条件。
The paper discusses the difficulty presented in deducing Fourier transform formula due to the lens aperture restriction, and analyzes the desired conditions in using the formula in great detail.
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.
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.
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.
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