虚拟仪器技术在小波信号提取仪中的应用

Application of VI technology in the wavelet signal extractor

提出基于PC-DAQ的虚拟仪器典型硬件结构体系,介绍基于LabVIEW的软件开发主要技术,并根据小波信号提取原理设计出虚拟小波信号提取仪,对其中的仪器面板、控件、流程图等进行阐述。最后,获得某装备测试诊断系统中成功应用的运行结果,达到了预期目的,具有较好的推广应用价值。

Puts forward the whole hardware structure of typical Virtual Instrument（VI） based on PC-DAQ. The main technologies of software development are introduced based on LabVIEW. According to the wavelet analysis theorem, the wavelet signal extractor is designed, and especially the instrument panel, control and flow chart are discussed in detail. Finally, the operating results are achieved, which are used in the military equipment testing diagnosis system. In conclusion, the proposed scheme is reasonable, practical and valuable.