摘要：本教程介绍如何正电子发射断层显像（PET ）成像系统产生的3-D医疗图像。文章详细介绍了如何PET系统检测伽玛射线产生的掺糖注射时不同的反应，受影响的组织。本文还讨论了如何竞争环境中的电气噪声影响成像，以及为什么它是重要的，准确地检测出光子的时间和运动，因此在患者中产生的信号可以本地化。通常在PET系统功能框图显示的IC元件。Maxim > Design support > App notes > A/D and D/A Conversion/Sampling Circuits > APP 4680 Maxim > Design support > App notes > Amplifier and Comparator Circuits > APP 4680 Keywords: PET, positron emission tomography, medical imaging, medical scan, 3-D medical, gamma rays, photon, electrical components for medical May 10, 2010 APPLICATION NOTE4680 Introduction to Positron Emission Tomography (PET) Imaging Abstract:This tutorial explains how positron emission tomography (PET) imaging systems generate 3-D medical images. The article details how the PET system detects gamma-rays produced when injected doped sugars react differently to affected tissue. The article also discus……