应用于海底观测网的矢量水听器信号采集系统

摘要

Based on the NEMS vector hydrophone detected by North University of China , a kind of data collecting system ap-plied in undersea observatory network was designed .The system, which takes the FPGA as the key component was used to realize the preprocessing, acquisition, coding, storage and transmission of data collected by vector hydrophone .At the same time, hydro-phone ’ s attitude information and its environmental temperature were obtained to understand real time status of the hydrophone en -vironment to facilitate subsequent processing algorithm .At last, system debugging shows that the data collecting system can not on-ly realize its function successfully , but with low power consumption characteristics , which meet the basic requirements of undersea observatory network .%基于中北大学研制的纳机电矢量水听器，设计一套应用于深海海底观测网的矢量水听器信号采集系统。该系统以FPGA为控制核心实现对纳机电矢量水听器矢量声场信号的预处理、采集、编码、存储及传输，同时可读取水听器姿态信息和温度信息以实时了解水听器环境状况，便于后续算法处理。最后进行系统调试，结果表明该系统可成功实现其功能，且具有低功耗，满足应用于海底观测网的需求。