spatial filter

This system composed of a spatial filter and a focusing objective lens with long working distance ( l9mm) and short focal length ( f0 ≤ 3. 25mm).

它由一个具有一定倍率的空间滤波系统和一组短焦距、长工作距离的聚焦物镜组成。

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Production of a spatial filter with high efficiency and broad dynamical range by using composite hologram and bleaching technique

用合成全息术和漂白技术产生高效率宽动态范围的空间滤波器

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First, select the appropriate bandpass threshold to image spatial filter, then to frame relation temporal filter.

首先根据图像的信噪比选取合适的带通门限进行图像空间滤波，然后采用帧相关法进行时间滤波。

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a new type of intensity spatial filter, based on the polarization interference figure from a crystal under conoscope is developed, and its application to the phase measurement in fourier-transform quasi-interferometry is presented.

本文提出了一种新的以晶体锥光偏光干涉效应为原理的强度空间滤波器的方法以及用于傅里叶滤波准光干涉术进行相位测量的原理。

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Firstly, the author introduces the conception of spatial filter, and illustrates the principles of array antenna.

首先介绍了空域滤波的概念, 同时分析阵列天线的技术基础.

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optical amplitude-phase conversion using spatial light modulator and spatial filter at the fourier spectrum plane

使用空间光调制器和频谱面滤波实现光学图像幅相转换

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the results indicate that the ag-air structure can be used as a multi-channel frequency filter and spatial filter.

结果表明，可以将该结构设计成多通道频率滤波器和多通道角度滤波器。

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Research on Time-variant Spatial Filter of Brain-computer Interface

脑-机接口中时变公共空间滤波器的研究

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An optimum spatial filter ( OSF) is implemented on a cylindrical array based on the mathematical expression.

根据最佳空间滤波器的数学表述，在圆柱型基阵上实现了最佳空间滤波器。

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Image enhancement technology to enhance the understanding and knowledge master 2. Master image spatial filter technology.

加强图像增强技术知识的理解与掌握2. 掌握图像空域滤波技术.

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The optimization temporal and spatial filter and principle of pow-er control are introduced, and simulating of power control algorithm is made by illustration.

介绍了最优时空滤波及功率控制原理，通过实例对功率控制算法进行仿真。

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Based on the method that a rectangular function can be expanded into a sum of complex Gaussian functions with finite numbers, the propagation characteristics of a Gaussian beam passing through apertured spatial filter systems are analysed and the corresponding analytical formulae are obtained respectively.

根据矩形函数可以展开为有限复高斯函数之和的方法，从柯林斯衍射积分公式出发，对高斯光束通过受限空间滤波器传输特性进行分析，得到了相应的近似解析式。

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Spatial filter based anomaly detection algorithm for hyperspectral imagery kernel RX detectors

基于空域滤波的核RX高光谱图像异常检测算法滤光器-光栅红外光谱仪

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in this paper, the influence of parameters of both the wire spatial filter and phase object on the intensity distribution in the image plane is discussed, and the optimum parameters of this laser schlieren apparatus are also calculated.

本文详细分析与计算了细丝空间滤波器的宽度和位相物的结构参量对显示位相分布的影响，并找到了该种纹影仪的最佳参数。

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Filter the interested parts using spatial filter, and detect the intensity of the interested part by photronic cell. After I-V conversion, preamplifier, clamping circuit and A/ D convertor, import it to the Single-chip Microcomputer ( SCM) to automatically grade and process.

用空间滤波器滤出我们感兴趣的两物体差异部分，用光电池探测其光强并经I-V转换、前置放大、限位与A/D转换后输入到单片机上进行自动分级与处理。

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Implementation of optimum spatial filter on a cylindrical array

一种最佳空间滤波器在圆柱型基阵上的实现

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Inverse problem of a laser amplifier system containing a spatial filter

含空间滤波器的激光放大系统的逆问题

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Then we use morphological image processing and spatial filter processing to improve the quality of binary segmentation image.

对图像分割得到的二值图像进行图像形态学处理和空域滤波处理，提高了二值图像的质量。

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Power Control Algorithm and Simulation of Optimization Temporal and Spatial Filter

最优时空滤波器功率控制算法及仿真

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fiber laser image measure system has the special advantage of spatial filter of background light.

与传统的激光焊缝跟踪传感系统相比，光纤激光图像传感系统具有对背景光空间滤波的独特优势。

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