基于PCI总线的高速实时数据采集系统

【摘要】 介绍了一种针对数字化核磁共振谱仪控制台的开发而设计的,基于PCI总线的高速实时数据采集系统,主要讨论了高速实时数据采集系统的硬件解决方案,以及该系统控制逻辑的实现。采用PCI总线接口方式,发挥了PCI总线数据传输的优势。利用功能强大的FPGA进行逻辑控制,采样期间不需要计算机干预,并且具有采样频率和采样点数可以灵活更改的特点。更多还原

【Abstract】 A high-speed real-time data acquisition system based on PCI Bus is introduced in this paper.The system is designed for the development of the digital nuclear magnetic resonance image spectrometer controller.It mainly discusses the hardware design and the control logic of the high-speed real-time data acquisition system.The powerful FPGA is used for the logic control,so the computer need not do anything during data acquisition process.In addition,sampling frequency and the number of sampling points can be changed flexibly.更多还原