基于FIFO的高速血流数据采集系统设计  

Design of FIFO Based High-Speed Data Acquisition System of Blood Flow

作　　者：周鹏[1] 傅元[1] 王亮[1] 

机构地区：[1]沈阳工业大学信息科学与工程学院,辽宁沈阳110870

出　　处：《测试技术学报》2010年第4期357-361,共5页Journal of Test and Measurement Technology

摘　　要：介绍了一种基于先进先出存储器FIFO和复杂可编程逻辑器件CPLD组合结构的高速血流数据采集系统的设计方法,并给出了这种采集方法的硬件原理电路和主要的软件设计流程图.通过原理仿真和系统调试,表明采用该设计方法所设计的数据采集系统可以实现高速数据采集和数据传输同时进行,且整个过程无需CPU干预,达到了设计指标,具有很好的应用前景和使用价值.A design method of a high--speed data acquisition system of blood flow was introduced. The FIFO and CPLD based circuit and the software flow chart were presented. The simulation and system debugging were completed. The simulation results proved that the design targets was achieved and the system could carry out both the high-speed data acquisition and the high-speed data transfer synchronously without CPU＇s intervention. The system has a good market prospect.

关 键 词：FIFO CPLD 数据采集 超声多普勒 血流信号 

分 类 号：TP274.53[自动化与计算机技术—检测技术与自动化装置]