CT扫描器包括一个不是特别窄的移动检测床,它可以将人慢慢地拖行至一个环形通道,其形状就像是一个巨大的甜甜圈。
The CT scanner consists of a moving couch, not particularly narrow, that slowly moves a person through a hoop that has a shape of a very large donut.
在显微物镜的成象光路中,增加一块振荡反射镜,使被测线宽的放大象相对窄缝扫描,将光学边界信息转变为梯形电脉冲。
Bying adding an oscillator mirror in the imaging path, thus the enlarged image will be scanned by the narrower slit, and the optical boundary information is converted into gradient electrical pulse.
高能X射线工业CT机的图像重建属窄角扇束扫描方式下的图像重建。
The image reconstruction of industrial X-CT belongs to image reconstruction with narrow fan-beam scan mode.
本论文将窄角扇束扫描看成是多探头的平行束扫描。
This paper regards narrow fan-beam scan mode as multi-detector parallel beam scan mode.
它包括有磁扫描系统,厚窄缝,荧光屏以及CCD图像处理系统。
It consists of a magnetic scanning system, a thick slit, a fluorescent screen and a CCD image processing system.
本文对工业CT窄角扇束扫描方式下的迭代图像重建算法进行了研究。
In this paper, the author discusses in detail an efficient iterative image reconstruction algorithm in industrial computerized tomography (ICT) with the narrow fan-beam projection.
通过分析结合模拟结果,认为减小屏表面的相关长度,在扫描方向压窄激光光斑可以减小该系统中的散斑对比度。
The theoretical results show that a smaller correlation length of screen surface and the narrowing of laser beam in scanning direction can reduce speckle contrast for this system.
所设计的一维扫描相控阵天线在方位面具有窄波束、低副瓣特性,在俯仰面实现和差波束。
The one-dimensional phased array antenna discussed in this paper needs to radiate a narrow beamwidth and low sidelobe pattern on the horizontal, a sum and difference beam on the vertical.
在介绍了工业CT的几种扫描方式的基础上 ,较详细地分析了窄角扇束扫描方式下的数据重排方案。
On the basis of introducing several ICT scanning methods, this paper analyses in detail the data-rearranging plan when the method of narrow-angle sector scanning is used.
在介绍了工业CT的几种扫描方式的基础上 ,较详细地分析了窄角扇束扫描方式下的数据重排方案。
On the basis of introducing several ICT scanning methods, this paper analyses in detail the data-rearranging plan when the method of narrow-angle sector scanning is used.
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