基于LabVIEW的分布式多通道水声信号采集系统

Distributed Multi-Channel Underwater Acoustic Signal Acquisition System Based on LabVIEW

为满足水下试验场对多路水声信号同步采集的要求,研究一种基于Lab VIEW的分布式多通道水声信号采集系统。该系统由上位机控制,通过千兆网下发命令并接收数据,具有336个采集通道,采样精度为24 bits,最高采样率为204.8 kHz。经验证,该系统具有噪声低、采样精准、运行稳定及拓展性强等应用优势,可满足多路水声信号采集要求。

In order to meet the requirement of multi-channel underwater acoustic signal acquisition in underwater test field,a distributed multi-channel underwater acoustic signal acquisition system based on LabVIEW is studied.The system is controlled by the upper computer,sends commands and receives data through the Gigabit network,has 336 acquisition channels,sampling accuracy is 24 bits,and the maximum sampling rate is 204.8 kHz.The experimental results show that the system has the advantages of low noise,accurate sampling,stable operation and strong expansion,and can meet the requirements of multi-channel underwater acoustic signal acquisition.