基于虚拟仪器的信号采集分析系统设计

Design of Signal Acquisition Analysis System Based on Virtual Instrument

采用虚拟仪器的开发方法,基于LABVIEW开发环境,设计并实现了信号的采集、时域分析、频域分析以及数字滤波等功能,并给出了驱动程序接口、数据采集模块、频域分析等关键环节的设计要点和具体程序框图。实践表明,虚拟仪器技术为仪器开发领域提供了新的发展方向。

By means of virtual instrument in LABVIEW development environment,this paper designs a signal acquisition analysis system which possesses the functions of signal acquisition,time domain analysis,frequency domain analysis,digital filtering,etc.The key design techniques of driving program interface,data acquisition module,frequency domain analysis and detail program layout are also presented.Practices show that the virtual instrument technology provides a new development trend in instrument development field.