点扫描
- Point scan;spot scan
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应用实践证明这种线扫描工艺的成型效率和加工质量尤其是对大工件的加工质量优于振镜点扫描的工艺方法,可以很大地扩展SLSRP工艺的应用范围。
The processing efficiency and quality of the innovative line scanning system is better than that of the vibrating mirror spot scan for larger workpieces , so the application region of SLS RP technology may be expanded greatly .
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一种新的线扫描选择性激光烧结快速成型(SLSRP)方法可以提高成型效率和对大工件的加工质量。它与一般振镜点扫描完全不同。
In order to raise the processing efficiency and quality of the larger workpieces , an innovative line scanning selective laser sintering rapid prototyping ( SLS RP ) process is introduced , differing entirely from the vibrating mirror spot scan .
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一种支持多点扫描输入的PLC输入方法设计
An Input Method Supporting Multipoint Scan Input for PLC
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目前,在国内市场上X射线飞点扫描系统是一种新型技术。
At the present time , the X-ray flying-spot scanning system is a new technology .
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通过金相分析、电子探针微区线扫描和点扫描、X射线衍射等手段分析了反应界面的微观组织、元素浓度变化趋势、相组成等。
The interface microstructure , element concentration trends and phase were got by means of metallographic analysis , electron probe micro-area line scanning and point scanning .
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多区切削模式在飞点扫描式LASIK治疗近视的应用
Effect of the Multi-zone LASIK on myopia by a small optical zones flying-spot scanner machine
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目的评价飞点扫描式准分子激光系统应用于准分子激光角膜原位磨镶术(lasik)治疗近视的疗效。
Objective To asses effect of lasik for myopia using a scanning - spot laser .
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分析影响成像质量的因素,对高质量的THz连续波点扫描成像进行研究。
The effect factors of image are analyzed and high-quality THz CW scanning imaging is researched .
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利用太赫兹时域光谱(THzTDS)测试技术及透射式太赫兹逐点扫描成像技术分别对几种玉米种子DNA和胚的样品进行了光谱和成像测量;
The several maize seeds were measured by using THz time-domain spectroscopy ( THz-TDS ) and THz transmitted scanning imaging technology , respectively .
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通过VISUALBASIC软件自行编制了二维平移台和数据采集卡的控制程序,实现了点扫描,且在扫描过程中没有停顿,加快了系统成像速度。
The control program of a two-dimensional translation stage and data capture card was compiled by Visual Basic software , and point scan imaging system without pause during scanning process was implemented to speed up the pace . 3 .
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由于传统时域点扫描方式的OCT系统的成像速度慢,难以用于活体的实时成像。
The imaging speed of traditional time-domain-scanning of OCT system is slow and difficult to meet the requirement of real-time imaging for living tissue .
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目的:评价小光斑飞点扫描准分子激光系统用于LASIK手术治疗近视的疗效。
Objective : To evaluate the therapeutic effect of laser in situ keratomileusis ( LASIK ) for myopia and astigmatism using scanning-spot excimer laser .
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结论小光斑飞点扫描式准分子激光仪的LASIK多区切削模式对于相对角膜较薄的患者不失为一种有效、安全的方法。
Conclusions It was effective and safe to the Multi-zone LASIK on myopia who with relatively thin corneal by a small optical zones flying-spot scanner machine .
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传统的OCT系统通常采用点扫描方式获取二维图像,其速度较慢,限制了系统的实时探测。
The traditional OCT system produces a two dimensional image through point scanning whose scanning speed is slow , and it limits the real time measurement of the system .
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扫描系统由精密步进电机控制,进行间距约1mm的逐点扫描。
The scanning system is controlled by precise stepper motor which can be controlled by computer to sweep over point by point with 1 mm pitch .
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结论虽然小光斑飞点扫描式准分子激光LASIK治疗高度近视需要切削较多的角膜组织,但是可通过制作较薄的角膜瓣和采用多区切削模式来节省组织,同样可以获得有效安全的临床效果。
Conclusion The clinical effect of high myopia treated with thin corneal flap LASIK by a small optical zones flying-spot scanner machine was safety and efficacy , although it needs more corneal tissues .
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并且根据DMD器件可编程的特性分别采用了复合点扫描和结构化扫描的方式实现了自适应共焦扫描成像,取得了高分辨率共焦成像的效果。
According to the programmable characteristics of DMD , adaptive scanning confocal imaging can be achieved , respectively , using composite point scanning and structured illumination to achieve high-resolution imaging scanning .
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其次,研究了太赫兹时域光谱成像处理方法,分别在时域和频域两种模式下,THz逐点扫描成像的特性,并进行了多光谱成像研究。
Secondly , we investigate the method of image processing of THz time-domain spectral imaging . We analyzed that , under both of time-domain mode and the frequency-domain mode , the imaging features by the point-by-point scanning of THz imaging .
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准分子激光小光斑飞点扫描联合主动眼球跟踪系统矫正近视的临床效果
Scanning-spot excimer laser with active eye tracking system in myopia correction
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准分子激光切削角膜与飞点扫描算法的研究
Research of excimer laser corneal surgery and flying-spot scanning algorithm
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点扫描分析在溶蚀机理研究中的应用
Application of point scanning analysis to study of corrosion micromechanism
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视网膜烧伤的飞点扫描测量
The Flying - spot Scanning Image Analysis of Retinal Burns
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点扫描激光共焦显微镜物镜参数的确定
Selection for Parameters of Object Lens in Point Scanning Laser Confocal Microscope
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变长线扫描系统采用的扫描方式和聚焦元件使线束宽度小且恒定,线束功率密度与点扫描焦斑的相当。
Quality advantage of the alterable thread length scanning system is evident .
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红外小光点扫描测试仪自动调焦实验研究
Experimental study on auto - focus of infrared micron - spot scanner
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某型红外空空导弹导引头目标像点扫描仿真研究
Simulation for target image-point scanning of IR AAM seeker
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深入研究了小光斑准分子激光飞点扫描模型,对飞点扫描过程进行计算仿真;
The process of scanning-spot excimer laser is studied and simulated on computer .
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最后,结合成像结果对点扫描成像和面阵扫描成像进行比较和分析。
Finally , imaging systems of point-by-point scanning and array scanning are compared .
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利用激光实时点扫描成象监测/检测物体表面系统
Real time laser point scanning imaging for surface inspection
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红外小光点扫描测试系统
A Scanning Testing System of IR Micron - Spot