1024道航空伽玛能谱仪器设计

Design of 1024-channel Gamma Ray Energy Spectrum Analyzer

摘要:

随着计算机技术的发展，航空放射性伽玛能谱测量技术也在不断地发展提高，航空伽玛射线多道能谱鉴别精度也达到了更高的技术水平，为航空放射性伽玛能谱找矿和航空放射性环境测量提供了更为丰富的、精准的测量信息[1]。1024道航空伽玛能谱仪器设计基于FPGA开发技术，研究利用FPGA电路控制和进行伽玛射线数据采集、能量鉴别和脉冲数据处理的分析方法[2]，设计构建了实现其方法的硬件电路和软件执行程序，实现了对伽玛能谱射线数据的高速采集、高速处理、实时输出，并能够实时接收和监测所采集到的放射性伽玛能谱数据信息，完成了1024道伽玛射线能谱仪器的设计制作，掌握了1024道航空伽玛能谱测量仪器的设计制作的核心技术，对于航空伽玛能谱仪器自主研发的发展有着积极的促进作用。

Abstract:

With the development of computer technology, aeronautical radioactivity gamma spectrum measurement technology has constantly developed and improved, and the identification accuracyhas also reached a higher level, which provides more abundant and accurate measurement information for aeronautical radioactivity gamma spectrum prospecting and aeronautical radioactivity environment measurement. Design of 1024 Channel Aeronautical Gamma Spectroscopy instrument is based on FPGA technology. It contains the hardware circuit of 1024 channel aeronautical gamma spectrum instrument and the function of multi-channel energy spectrum analysis software embedded in FPGA.It realizes the acquisition of radioactive gamma ray and the high speed analog digital conversion, as well as the storage and graphic display of radioactive 1024 channel full spectrum data, which plays a positive role in promoting the development of independent research and development of aeronautical gamma spectrum instrument.