The application of NI VI technology,LabVIEW7.1, I/O module,DAQ card etc. on underwater sonic wave acquisition was introduced in this paper.

• 介绍NI虚拟仪器技术、LabVIEW 7.；1、I/O模块、DAQ卡等在水下声波多路信号采集和测控中的应用。