【摘要】 为了利用虚拟仪器技术实现通过USB接口的数据采集及处理,介绍了虚拟仪器及其开发环境LabVIEW的特点,分析了LabVIEW中的数据采集技术,给出了利用虚拟仪器技术实现通过USB接口的数据采集及处理系统的应用实例。设计测试表明,将虚拟仪器与LabVIEW结合用于常规的数据采集、测试、测量等任务,可以减少系统的开发时间,同时也提高了编程效率,节省了系统成本。更多还原

【Abstract】 To achieve data acquisition and processing through USB interface by the aid of virtual instruments,the characteristics of the virtual instruments and the development environment-Labview are introduced,the Labview data acquisition technology is analyzed,and the application examples which realize the data acquisition and proceesing through USB interface by the virtual instrument technology are offered.The testing result shows that the application of virtual instrument and Labview in conventional data acquisition and data processesing can shorten system development time,improve the programming efficiency,and reduce the system cost.更多还原