基于FPGA的核信号采集主控系统设计  

Design of Main Control System for Nuclear Signal Acquisition Based on FPGA

作　　者：葛青[1] 葛良全[1] 吴建平[1] 

机构地区：[1]成都理工大学核自院,成都610059

出　　处：《核电子学与探测技术》2014年第4期534-537,共4页Nuclear Electronics & Detection Technology

基　　金：863计划资源环境技术领域课题(2012AA061803)资助;成都理工大学2013-2016年高等教育人才培养质量和教学改革项目阶段成果(13JGY25)

摘　　要：介绍了以FPGA为控制核心的核信号采集主控系统的设计。FPGA内实现的功能包括与计算机的通信,对ADC采样的控制,对采样信号的数字甄别、存储等。可在线对阈值及ADC的寄存器进行设置。整个控制系统包括存储器(FIFO)在一片FPGA内实现,系统硬件结构简单,能有效地提升核分析仪器的性能并有利于其小型化。Design of main control system for nuclear signal acquisition based on FPGA was introduced .The functions are all implemented in the FPGA including communicating with the computer , controlling sampling of ADC, threshold discrimination and storage of digital nuclear signal , etc.Threshold and the ADC registers can be set online.The whole control system including a memory （FIFO） is implemented in a FPGA.The hardware of the system is simple and the power consumption is low .The performance of the instrument is improved effec-tively and the size is reduced also .

关 键 词：核信号采集 现场可编程门阵列 通用串行总线 阈值甄别 

分 类 号：TL822.4[核科学技术—核技术及应用]