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And the optical transfer function is the special case of fractional transfer function.

指出常规傅里叶变换下的光学传递函数为分数传递函数的特例。

It is proved that the fractional Fourier transform has the cascade feature, and the optical transfer function is the special case of fractional transfer function.

证明了其具有分数傅里叶变换的级联性，指出常规傅里叶变换下的光学传递函数为分数传递函数的特例。

Based on the normative fractional Fourier transform and the concept of the optical transfer function, using the linear system theory, the mathematic expressions of fractional transfer function in Fresnel diffraction system and Fraunhofer diffraction system are given respectively.

基于规范光学分数傅里叶变换，从光学传递函数概念出发，根据菲涅耳衍射、夫琅和费衍射定义，应用线性系统理论，分别给出了菲涅耳与夫琅和费衍射系统在规范分数傅里叶变换下的光学传递函数数学表达式。

The key techniques relating to machine vision are also explained in detail, for example, illuminating resource, optical lens,camera, image frame grabber,image processing card,integrated vision unit and so on.

一个典型的工业机器视觉应用系统包括光源、光学系统、图像捕捉系统、图像数字化模块、数字图像处理模块、智能判断决策模块和机械执行模块，如图1所示[1]。

Based on the Fraunhofer diffraction theory and a microlens,a high-performance complex optical system for a digital sun sensor is designed.

以夫朗禾费衍射理论为基础，结合微透镜，设计了一种高性能的数字式太阳敏感器复合光学系统。

In order to analyze the effects of mesh structural parameters and tilted angle on the shape and distribution of diffraction spots at far field, an optical intensity distribution model of Fraunhofer diffraction is established for a tilted square metallic mesh using Huygens-Fresnel diffraction theory.

为分析金属网栅结构参数和倾斜角对网栅远场衍射斑形状和分布的影响，基于惠更斯-菲涅耳原理建立了倾斜金属网栅的夫琅和费衍射光强分布解析模型。

fraunhofer diffraction ; Babinet theory ; laser ; optimize to feature point of optical strip

为了获得高质量的 Fraunhofer衍射花样，宜使用单模激光光源。选择一级适宜的

In previous paper1-3, from the results of the electronic computer simulation experiments and the analysis of the corresponding optical properties, we presented a stabilization condition for numerically solving a Fredholm Integral equation of the first kindσ2σ1kBdσ=I in Fabry-Perot interferencespectroscopy.

在以前的论文中，我们从计算机模拟实验及相关的光学现象出发提出了Fabry—Perot干涉光谱技术中的积分方程数值求解的稳定条件。

Possible generation of ultrashort optical pulse in far-infrared free electron .

远红外自由电子激光器中超短光脉冲的产生。

Optical depth is measured in units of the mean free path.

光学路径以平均自由路径为单位进行量度。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"