【摘要】 设计研制了一种双能气体探测器,通过模拟计算研究了探测器应用于物质识别的可行性。在模拟计算的基础上制造了双能气体探测器样机,并对4种不同种类的物质进行了X射线透射实验。实验结果表明,双能气体探测器具备物质识别能力。研究了双能气体探测器的刻度校正方法,该方法可有效提高探测器不同探测单元间的一致性。更多还原

【Abstract】 In this paper,a dual-energy gas detector was designed,and the simulation research was taken to validate its feasibility in material discrimination.On the base of simulation,the prototype of dual-energy gas detector was developed and X-ray transmission experiment was done for four kinds of materials.The experiment results show that the dual-energy gas detector possesses the ability of material discrimination.The calibration method of dual-energy gas detector was studied,and it can improve the consistency of detector units.更多还原