基于DSP+USB的放射性污染监测现场数据采集系统设计  

Design of Radioactive Pollution Monitoring Data Acquisition System Based on DSP + USB

作　　者：罗勇[1] 庹先国[2,3] 王磊[1] 张力[1] 

机构地区：[1]成都理工大学核技术与自动化工程学院,成都610059 [2]地质灾害防治与地质环境保护国家重点实验室,成都610059 [3]西南科技大学,绵阳621010

出　　处：《核电子学与探测技术》2014年第7期850-854,共5页Nuclear Electronics & Detection Technology

基　　金：科技部重大科学仪器设备开发专项(2012YQ180118);国家高技术发展计划项目(2012AA063501)资助

摘　　要：针对放射性污染监测现场对现场数据高速、实时采集的需求,设计了一种基于DSP和USB2.0为核心的放射性信号数据采集系统,并介绍了该系统的总体结构和具体的软硬件实现方案。该系统将DSP高速的运算速度和数据处理能力、FPGA强大的逻辑处理能力以及USB高速传输速度相结合,构建了一套高速实时的放射性数据采集系统,具有速度快、逻辑处理能力强、稳定性高等优点,该系统在现场测试表现出较好的效果。Focusing on the requests of high speed and real-time acquisition for data in radioactive contamina-tion monitoring site, this project designed data acquisition system of radioactive signal based on DSP and USB 2.0 as foundation, and it also briefly introduced its whole structure and both software and hardware implementa-tion scheme.This system combined the ability of computation speed and data processing from DSP and the abil-ity of excellent logical processing from FPGA and high transmission speed from USB, which created a complete high speed and real-time system for radioactive data acquisition and this system obviously has properties with high speed, excellent logical processing and stability, especially it was able to perfectly perform in site testing.

关 键 词：放射性污染监测 高速 实时数据采集 数字信号处理 USB 现场可编程门阵列 

分 类 号：TL82[核科学技术—核技术及应用]