【摘要】 目的　介绍了基于虚拟仪器设计软件 Labview开发的高性能虚拟数字示波器系统 .方法　由数据采集 DAQ、接口总线、硬件驱动程序和虚拟软件数字示波器软件构成了虚拟示波器系统 ,并应用在光纤气体浓度检测系统中 .结果与结论　在实际光纤气体浓度检测系统中的应用表明 ,该虚拟数字示波器很好地实现了检测信号的处理 ,并具有良好人机界面和性能 .更多还原

【Abstract】 Aim High feature virtual digital oscillograph system based on Labview is introduced. Methods The virtual oscillograph system is composed of data acquisition DAQ, interface bus, hardware driver program and virtual digital oscillograph software. It is used in optical fiber gas concentration detecting system. Results and Conclusion It indicates that in optical fiber gas concentration detecting system the virtual digital oscillograph has good detecting signal and a good human-machine interface and feature.更多还原