摘 要:介绍了基于 PCI-6221DAQ 卡在labview 7 Express 开发环境下数据采集系统的开发,证实了LabVIEW 7 Express 在开发数据采集系统方面的优势。 关键词:虚拟仪器;LabVIEW;数据采集;DAQ Abstract:It is introduced a development method that use PCI-6221DAQ card to design DAQ system based on LabVIEW 7 Express. LabVIEW 7 Express shows its evident superiority in DAQ system developing. Keywords:Virtual Instrument;LabVIEW;Data Acquisition;DAQ