The Magnification of Microfocus X-ray Digital Radiography System
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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。Abstract: 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.
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[1] KLAUS B, UWE E, ADRIAN R, et al. New measurement methods of focal spot size and shape of X-ray tubes in digital radiological applications in comparison to current standards[C]//18th WCNDT.Durban:[s.n],2012.
[2] 曾祥照. 射线实时成像检测中的图像清晰度与分辨率[J].无损检测,2003,25(3):133-139. [3] GB/T 5616-2014 无损检测 应用导则[S].
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