This paper firstly represented the constitute, the principle and the accomplishment of the high rate acquisition card based on PCI bus, then the driver design, data analysis/processing, and data output/display in the software development were introduced.

• 描述了基于PCI总线的高速数据采集卡的组成、工作原理及其实现，同时就虚拟示波器软件开中的驱动程序设计、数据分析处理、输出显示等方面进行了叙述。