基于LabVIEW的虚拟信号发生和数据采集系统

A Virtual Signal Generator and Data Acquisition System Based on LabVIEW

为实现非线性电介质激励信号的发生和测试信号采集,采用凌华DAQ-2005采集卡和LabVIEW语言构建了虚拟信号发生和数据采集系统,详细介绍了该方案的硬件组成和软件设计方法,利用LabVIEW开发了系统软件,通过实测数据证明了方案的实用性。该系统同步性能好,组成简单,易于调节,便于功能扩充。这种基于虚拟仪器的设计方案具有重要的实用意义。

To generate signal source and collect measurement signals of the nonlinear dielctric,ADLINK DAQ-2005 Data Acquisition board and LabVIEW language are used to construct virtual signal generator and data acquisition system.The hardware and software structures of the system are introduced detailedly.The system software is developed by LabVIEW platform.Its practicability is proved by real data.The whole system has good synchronization performance and simple composition.It can be easily adjusted and expanded.