The characteristics of opening Virtual instrument LabVIEW are described. A DLL design method of data acquisition based on LabVIEW using a general acquisition board is introduced.

• 阐述了开放式虚拟仪器平台LabVIEW的特点,并介绍了在该平台上使用普通数据采集卡进行数据采集的动态连接库的设计方法。