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scanner     
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  扫描仪
     Study on the Key Techniques for 3D Laser Color Scanner
     三维激光彩色扫描仪关键技术研究
短句来源
     Study on the Key Techniques for 3D Scanner and Reverse Engineering
     三维扫描仪与逆向工程关键技术研究
短句来源
     Research on the Theory and Technology of 3D Information Acquisition in 3D Scanner
     三维扫描仪中三维信息获取理论与技术研究
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     THE ANALYSIS OF ANTI-MOISTURE GRANULE OF VITAMIN U BY MEANS OF DUAL- WAVELENGTH TLC SCANNER
     用双波长薄层扫描仪作维生素U防湿颗粒的分析
短句来源
     An approach on the allergen of Ricinine in detoxicated castor cake by using CS—930 Scanner
     用CS—930双波长簿层扫描仪分析去毒蓖麻饼中蓖麻碱变应原的研究报告
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  扫描器
     0.53μm Acousto-optic Scanner
     0.53μm声光扫描器
短句来源
     Application of CAD to the Design of Optical Scanner
     三维CAD在光机扫描器设计中的应用
短句来源
     The Application of the DeviceNet Network and its Scanner
     DeviceNet网络与扫描器的应用
短句来源
     It was introduced the principle of port scanning technique,and implemented the port scanner with Visual C++ 6.0 on Windows2000 as well.
     介绍端口扫描技术原理,并在Windows 2000操作系统平台上,用Visual C++6.0实现了端口扫描器
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     System Analysis of the Scanner EIT-PS
     EIT-PS图文扫描器系统分析
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  扫描
     Development of Capillary Array Electrophoresis System with Confocal Fluorescence Rotary Scanner and Study of Its Applications
     旋转激光扫描共焦荧光检测式毛细管阵列电泳的研制与应用研究
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     Modular scanner system M~2S
     M~2S组合式多谱线扫描系统简介
短句来源
     A mechanical sector scanner for real time two-dimensional echocardiography model FJ-784
     FJ—784型机械扇形扫描超声切面显像仪
短句来源
     The Geometric Rectification of Digital Multispectral Scanner(MSS)Imagery in Remote Sensing
     遥感多光谱扫描(MSS)数字影象的几何纠正
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     DOSE DISTRIBUTIONS OF HEAD IN COMPUTED TOMOGRAPHY USING CT-W_4 (HITACHI)SCANNER
     CT-W_4(日立)头部扫描时患者的剂量分布
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  扫描机
     Methods Eighty-five cases were scanned using Hispeed NX/i scanner. A volume of 60-120 ml Ultravist (30 g Iodine/100ml) was injected at the rate of 2-3.5 ml/s with a scan delay of 8-12 s.
     方法 85 例用Hispeed NX/i型CT扫描机,以2~3.5 ml/s从前臂静脉注射Ultravist(含30 g碘/100 ml) 60~120 ml等,延迟8~12 s后扫描;
短句来源
     MATERIALS AND METHODS: 96 consecutive subjects accepted CMRA examinations on 1.5T GE MR scanner.
     材料与方法:使用GE 1.5T磁共振扫描机,连续进行96人次CMRA检查。
短句来源
     Conclusion:TR=6000 ms,TE=150 ms was the best technique parameter in magnetic resonance urography for scanner of GE Signa 0.5T with application software GE 5.4.2.
     结论 :应用软件为GE 5 .4 .2的GESigna 0 .5T超导型扫描机 ,泌尿系水成像最佳的TR为 6 0 0 0ms,TE为 15 0ms。
短句来源
     Designing and Achievement of Whole Body CT Scanner CT-C6000
     CT-C6000全身CT扫描机设计与实现
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     Marconi 8000 (4 row) scanner.
     设备:马可尼8000型(4排)MSCT扫描机
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  scanner
A simple method for CT-Scanner calibration against effective photon energy
      
An original method for CT-scanner calibration against effective photon energy is presented.
      
It is based on optimization of the CT-scanner output characteristic (the dependence of the measured linear attenuation coefficient on the calculated value).
      
It is composed of a spectrograph, a linear CCD array with a computer, and a scanner with a step motor.
      
The Use of a Scanner in the Primary Processing of Electron Diffraction Patterns of Vapors
      
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This paper briefly introduces the flying spot scanner of the "789" model of Optical Character Recognition system developed in Futan University. A method of matrix scanning with a high resolution flying spot tube is adopted in the scanner. It has the advantages of high speed and flexible control. There are also equipments of aperture correction, astigmatism correction, concentric correction, dynamic focusing, automatic brightness adjustment and so on in the scanner; so that it can scan a rather...

This paper briefly introduces the flying spot scanner of the "789" model of Optical Character Recognition system developed in Futan University. A method of matrix scanning with a high resolution flying spot tube is adopted in the scanner. It has the advantages of high speed and flexible control. There are also equipments of aperture correction, astigmatism correction, concentric correction, dynamic focusing, automatic brightness adjustment and so on in the scanner; so that it can scan a rather large area with high resolution, great precision, good signal/noise ratio and good stability. The system of video signal quantization includes an automatic threshold-adaptive circuit which can be adapted to the scanned documents of poor printing quality and varible darkness of characters. The signal reception system con- tains two channels: the red and black channels. Using the colour selection circuit with the combination of "S curve transformation" and "time logical circuit", it can distinguish between red and black characters. With the documents attaching to the transporting belt by pumping out the air and step-by-step document transporting me- chanism, the documents of convolution type can be effectively transported. In conclu- sion, this scanner system is a opto-electronic converter with flexible control, wide range of adaptation, high resolution, great precision and high scanning speed.

本文简单介绍复旦大学“789”光学文字识别系统使用的飞点扫描器。该扫描器采用高分辨率飞点管作阶梯波点阵扫描,具有速度快、控制灵活的优点;系统中设有飞点管孔栏校正、象散校正、同轴校正、动态聚焦、亮度自动调节等装置,能在较大的扫描区域内达到高分辨率、高精度以及良好的信噪比与稳定性;视象信号量化系统采用阈值自动控制电路,能适应各种印刷质量较差、字符深浅不同的扫描文件;信号接收系统设有红黑两个通道,采用“S 曲线变换法”与“时间逻辑电路”相结合的颜色分选电路,能区分红黑两种不同颜色的字符;采用抽气吸纸及步进输纸机构,能有效地传送折迭式文件。综上所述,该扫描器是一种控制灵活、适应性广,分辨率、精度和速度都很高的光电转换装置。

Recording of Chinese characters with two-dimensional laser scanning was studied experimentally. An acousto-optie scanner was used for scanning characters in vertical direction and a vibrating mirror in horizontal direction. The experimental results show that the recording has some merits of high quality, fast speed and simple structure.

实验研究了二维激光扫描显示记录汉字的方法.采用声光扫描器作文字垂直方向扫描,振镜作水平方向扫描.实验结果表明,记录的文字质量好,速度高,结构简单.

A handprinted character reader (OCR) is described. It is equipped with some adaptive circuits including a scanner capable of performing two dimensional affin-transform, an automatic beam focusing circuit etc. For effective extracting the local as well as the global features of characters a kind of structural method of recognition is developed. In addition, an algorithm for automatic generation of the character dictionary by learning process is implemented.The characters being read include numerals, alphabets...

A handprinted character reader (OCR) is described. It is equipped with some adaptive circuits including a scanner capable of performing two dimensional affin-transform, an automatic beam focusing circuit etc. For effective extracting the local as well as the global features of characters a kind of structural method of recognition is developed. In addition, an algorithm for automatic generation of the character dictionary by learning process is implemented.The characters being read include numerals, alphabets and symbols (total 62). The accuracy of recognition is comparable with other handprinted OCR, but the constraints imposed on writing and on document format are fewer. This OCR is designed as an input device for reading handwritten data and programs.

本文阐述了一台手写文字识别机,介绍了具有二维相似变换功能的扫描器和电子束自动聚焦线路等自适应线路技术;一种能同时描述文字图形整体和细节的结构学识别方法以及通过学习,自动设计识别字典的方法。 本机能识别手写的数字、字母和其他符号共62种,与同类型的文字识别机相比,有同等的识别准确度,但容许文件格式和字符书写有较大的自由度。该机用作计算机的输入设备,能自动识别手写的源程序、数据和各种资料。

 
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