低功耗一体化机载式γ谱仪的设计  

A Design of Airborne γ Spectrometer with Low Power Consumption

作　　者：李霄[1] 张志勇[2] 左莉[1] 袁伟[1] 

机构地区：[1]第二炮兵装备研究院,北京100085 [2]中国辐射防护研究院,太原030006

出　　处：《核电子学与探测技术》2014年第1期110-113,126,共5页Nuclear Electronics & Detection Technology

摘　　要：介绍了一种机载式γ谱仪的工作原理、总体结构和硬件设计思路。该能谱仪采用数字信号处理技术和基于现场可编程门阵列(FPGA)的数据采集技术,具有体积小、功耗低、精度高和扩展性好的优点,可挂载于小型飞行器进行自然环境γ能谱测量和γ核素识别,同时可测量γ剂量。该谱仪实现了一体化设计,具有无线数据的收发功能,可实现多任务条件下对γ能谱的检测。In the study , a design scheme of an airborne γspectrometer was described , including its working principle , overall architecture and design ideas for the hardware .Digital signal processing and data acquisition through field-programmable gate array （ FPGA） were adopted for the spectrometer , so that it can be character-ized by small size , low power consumption , high accuracy and good scalability .This kind of spectrometer can be mounted in a small aircraft for γspectroscopy measurement and γradionuclide identification around the natu-ral environment , and also for the measurement of γdose simultaneously .This spectrometer was an integrated design.It can be used as a wireless data transceiver , and can detect γspectroscopy under multi -task condi-tions.

关 键 词：机载式γ谱仪 辐射监测 现场可编程门阵列 NaI(Tl) 

分 类 号：TL817[核科学技术—核技术及应用]