The measuring speed of this imaging method can be increased hundreds of times compared with that of the raster scanning. 相对于传统的逐点移动的栅扫描测量模式,成像光热法的测量速度可以提高达数百倍。
After analysis of causes of the warpage distortion of parts in rapid prototyping, a novel tool-path planning, parallel raster scanning and filling path planning, is presented. 深入分析快速成形制件翘曲变形的原因后,提出一种全新的扫描填充路径-并行栅格路径及其规划算法。
By use of this technique, we fabricated scaffold-like micro-well structures with sub-micron resolution and high aspect ratio by both raster scanning and pinpoint scanning methods. 与其它微加工技术比较,使用此方法除可制作复杂的三维微结构外,同时它又具有免用光罩、制作步骤简单、真正三维的立体结构及高解析度之优点。
Solution of Key Problems for Raster Scanning Radar Display System 光栅扫描雷达显示系统关键技术问题解决方案
A implementation of PPI Radar Persistence simulating on raster scanning display 光栅扫描显示器上实现PPI雷达长余辉仿真
Raster Scanning Technology Used in Reverse Engineering 反向工程中的光栅扫描技术
Research on Two-Dimensional Laser Raster Scanning Display 激光二维扫描显示技术的研究
Efficiency of beam delivery to the treatment rooms, raster scanning techniques to ensure the correct control of beam energy, intensity, and position stability, rapid and precise flexibility in changing beam parameter are also essential for satisfying clinical needs. 束流传输到治疗房间的效率,束流的能量控制、强度及位置的稳定性,快速而精确的改变束流参数来满足临床需要等,都是关键。
Giving the same limit for the acquisition time, a larger acquisition probability is obtained with the raster scanning during the link foundation when the coarse pointing errors asymmetry is high. 在卫星光通信的链路建立过程中,粗瞄误差不对称度较高时,同样的扫描时间限制内分行扫描可以获得更高的捕获概率。
ABSTRACT This paper introduces a microcomputer-based arrhythmia monitor. The magnetic deflection CRT displays characters by means of interlaced raster scanning and two channels freezing waveforms by random mode. 本文介绍一种字符和波形同屏显示的微机控制心电监护仪,采用磁偏转线圈的CRT,以光栅隔行扫描方式显示字符,以随机扫描方式显示双道记忆波形。
To design and implement radar raster display system in terms of Visual C++ and OpenGL, this paper proposes a new scheme that the afterglow of scanning lines and radar target simulation can be realized by drawing lines in a fixed sector. 根据现代雷达装备虚拟教学、训练与科研的需要,设计并实现了一种基于Visualc++和OpenGL的光栅雷达显示系统,提出了以固定扇形画线实现扫描线余辉和雷达目标模拟的新方法。
Full-automatic control is realized in Ee-BES-40A raster scanning electron beam exposure machine. It is convenient for user to operate the machine. Ee-BES-40光栅扫描电子束曝光机全部实现自动控制,为用户操作带来极大方便。
ATOS raster scanner is one of the most advanced three-dimensional scanning systems. It splits the many scanned views through reference points. ATOS光栅扫描仪是目前技术最先进的三维扫描系统之一,该系统通过参考点对多个扫描视图进行拼合。
In the raster scanning radar display system, the simulation of afterglow effect in the random scanning radar display system is an important unsolved problem in up-to-date radars. 在光栅扫描雷达显示系统中,模拟随机扫描雷达显示系统中的余辉效应是新式雷达尚待解决的一个重要问题。
Because the raster projection image is usually degraded by random interference from such as environment, illumination, camera lens, image scanning, quantization, transmission, etc., a method of fast background correction is proposed for improving the image quality and contrast. 因为光栅条纹图像易受到一些不确定性因素的干扰,例如来自环境、照明、镜头、扫描、量化、传输等的干扰,作者提出了一种快速背景校正算法来改善图象质量和对比度。
The principle of collecting point cloud based on ATOS 3d-coordinate optical scanner, a kind of advanced raster scanning technology used in reverse engineering, and the practical application of the Atos are introduced. 介绍了用于反向工程领域的一种先进光栅扫描技术&基于Atos光栅扫描仪的点云采集原理以及Atos三维扫描仪的实际应用;
This paper introduces a digital storage oscilloscope, which can display four channel waveforms on an ordinary magnetic deflection CRT monitor by means of interlaced raster scanning. 本文介绍了一种采用通用的磁偏转CRT显示器并以光栅扫描方式显示四道波形的数字存贮示波器。
This paper introduces the application of laser ablation with mask exposure, laser writing with raster scanning and LCVD techniqe in three dimensional micromachining for MEMS. 介绍了激光掩模投影直刻技术,聚焦激光束光栅扫描技术及激光辅助化学气相沉积等在微机械加工技术中的应用。
Raster to vector conversion refers to scanning the paper-based engineering drawings into computer by using the technologies of computer graphics, computer image processing, pattern recognition, etc, and then transferring them into the vector files which can be used by CAD software. 光栅图形矢量化技术就是利用计算机图形学、计算机图像处理、模式识别等技术,将原有的纸质工程图纸,通过扫描输入计算机,识别成计算机辅助设计软件可以利用的矢量格式文件。
Afterglow Simulation of the Raster Scanning Radar Indication System 光栅扫描雷达显示中的余辉模拟
The raster fonts 'flying-marking is realized by one-dimensional scanning mirror. 使用一维振镜来实现点阵字体的飞动标刻。
R D of Color Radar Display System with Raster Scanning 雷达终端光栅扫描彩色显示系统的研制
Therefore, during manipulation, one has to frequently switch between imaging mode and manipulation mode, costing a lot of time and operations. Besides, the AFM scanning is inherently slow due to the raster scanning pattern. ( 2) There are thermal drifts. 因此在操纵过程中需要不断的在操纵模式和成像模式之间切换,耗费大量的操作和时间;此外原子力显微镜栅格扫描模式本身也存在成像速度较慢的问题;(2)设备本身存在热漂移。
The Raster Map includes the Scanning map, the Classification diagram of RS Image and Raster analysis result of Raster map. 扫描地图、遥感影像分割分类图、栅格分析得来的栅格地图统称为栅格地图。
Compare to using vector data, using raster data to express geographic elements is straighter and easy to achieve the composition of multi-layer data, which is also convenient to matching remote sensing images data and scanning data. 与矢量数据结构相比,用栅格数据结构表达地理要素比较直观,容易实现多层数据的叠合操作,便于与遥感图像及扫描入数据匹配使用等。