基于FPGA和ARM架构的嵌入式DTS系统设计方案  

Design of embedded DTS system based on FPGA and ARM architecture

作　　者：陈博 葛伟青 姜涛 Chen Bo;Ge Weiqing;Jiang Tao(Shanghai Grandway Telecom Technology Company Limited,Shanghai 200233,China)

机构地区：[1]上海光维通信技术股份有限公司

出　　处：《国外电子测量技术》2018年第7期94-97,共4页Foreign Electronic Measurement Technology

基　　金：上海市2017年度“科技创新行动计划”科学仪器、化学试剂领域项目(17142200900)资助

摘　　要：为了提高分布式光纤测温系统（DTS）的空间分辨率和温度精度,设计了一种基于FPGA和ARM架构的嵌入式DTS系统,其中,现场可编程门阵列（FPGA）被用来进行数据采集和累加平均,ARM处理器被用来进行人机交互和数据分析。实验数据表明,空间分辨率可达0.47m,温度精度可达0.42℃。多次表实验明,该DTS系统具有采集速度快、分辨率高、人机交互简单等优点,并且在4km测量范围内可以实现采样间隔0.2m、温度精度±0.5℃、空间分辨率0.5m。In order to increase the space resolution and temperature accuracy of distributed fiber temperature system（DTS）,a design of embedded DTS system based on FPGA and ARM architecture is proposed.In this system,a field programmable gate array（FPGA）chip is used to carry out data acquisition and accumulative average,and a ARM core processor is used to realize human-computer interaction and data analysis.The experiment shows that space resolution can reaches 0.47 meters and temperature accuracy can reaches 0.42 degree centigrade in good environment.Multiple experiments show that this system has many advantages,such as quick data acquisition,high resolution,and simple operation method.What＇s more,in the application of measuring 4 kilometers＇ fiber,the sample interval can reach 0.2 meters,the temperature accuracy can reach 0.5 degree centigrade,and the space resolution can reach 0.5 meters.

关 键 词：分布式光纤测温系统 光纤传感 嵌入式系统 

分 类 号：TN98[电子电信—信息与通信工程]