微焦点X射线数字成像系统中的放大倍数  

The Magnification of Microfocus X-ray Digital Radiography System

作　　者：杨龙 

机构地区：[1]无锡日联科技股份有限公司,无锡214145

出　　处：《无损检测》2017年第7期46-48,53,共4页Nondestructive Testing

摘　　要：概述了微焦点X射线数字成像系统放大倍数的定义,分析了微焦点X射线数字成像系统几个关键部分的放大原理,分别提出了使用搭载图像增强器与CCD相机、平板探测器的参数来计算微焦点X射线成像装置的系统放大倍数的公式。结合试验数据,验证了公式的正确性,该公式可以用在成像方式相类似的,包括直接和间接的数字成像系统上。The article discussed various definitions about magnification of microfocus X-ray digital radiography system,explained the theory of the microfocus X-ray digital radiography system magnification in a digital radiography with image intensifier,CCD camera and flat panel detector.Combined with the experimental data,the correctness of the formula is verified,and the formula can be used in imaging methods similar to those including direct and indirect digital radiography systems.

关 键 词：微焦点X射线 数字成像 图像增强器 平板探测器 系统放大倍数 

分 类 号：TG115.28[金属学及工艺—物理冶金]