FPGA-ARM数字γ能谱仪设计  

Design of FPGA-ARM DigitalγEnergy Spectrometer

作　　者：曹杰 王仁波[2] 王海涛[2] 林文 汤建文 刘世梁 CAO Jie;WANG Ren-bo;WANG Hai-tao;LIN Wen;TANG Jian-wen;LIU Shi-liang(East China University of Technology,School of mechanical and Electronic Engineering,Nanchang Jiangxi 330013,China;Engineering Research Center of Ministry of Education for Nuclear Technology Application,East China University of Technology,Nanchang Jiangxi 330013,China;New energy technology and equipment Engineering Research Center of Jiangxi province,Nanchang Jiangxi 330013,China)

机构地区：[1]东华理工大学机械与电子工程学院,江西南昌330013 [2]东华理工大学教育部核技术应用工程研究中心,江西南昌330013 [3]江西省新能源工艺及装备工程研究中心,江西南昌330013

出　　处：《核电子学与探测技术》2022年第2期280-285,共6页Nuclear Electronics & Detection Technology

基　　金：江西省新能源工程研究中心开放基金(JXNE-2020-09);江西省教育厅科技计划项目(HJSJYB2019-4)资助。

摘　　要：介绍了基于FPGA与ARM的数字γ能谱仪软硬件系统设计及实现.硬件设计方面采用信号调理电路、外置模数转换电路、FPGA和ARM电路,其中外置ADC芯片可实现最高达65 MHz的采样速率,软件方面在FPGA中实现核脉冲数字信号处理,ARM实现与FPGA和上位机的数据传输及控制.实验结果表明:本方案研制的γ能谱仪,仪器性能达到要求,已应用于铀矿测井的γ能谱测量.This paper introduces the design ofγa spectometer based on FPGA and ARM,and the implementation of software and hardware systems are also described.In terms of hardware design,signal conditioning circuit,external analog-to-digital conversion circuit,FPGA and ARM circuit are used.The external ADC chip can achieve the sampling rate up to 65 MHz.In terms of software,FPGA can realize the nuclear pulse digital signal processing,and ARM can realize the data transmission and control with FPGA and host computer.The experimental results show that:the performance of theγspectrometer meets the requirements and has been used in uranium logging Energy spectrum measurement.

关 键 词：FPGA ARM Γ能谱仪 

分 类 号：TL817.2[核科学技术—核技术及应用]