一种舰船声场监测系统的设计方法
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摘要
为针对在某些重点海域监测舰船通过的情况的需要,设计了一种舰船声场监测系统。该监测系统采用模块化设计,先采用LT1884运算放大器设计信号调理电路,对水听器接收到的信号进行放大和滤波处理,然后采用FPGA控制模数转换器和SD数据储存卡进行声场数据采集和存储,利用RS485数据通信接口和通信浮标还可将采集到的舰船特征信息通过北斗卫星系统实时传输到海上监测船或者陆地监测中心。借助该实验系统,可以监测记录某一水域的舰船通过时的声场信号,并实时报送舰船通过的频率。
In order to meet the need of detecting the passage of ships in some key seas,a ship acoustic field detection system is designed. The monitoring system uses a modular design. First we use LT1884 operational amplifier to design signal conditional cir-cuit,amplify and filter the signal received by the hydrophone. Then FPGA analog-to-digital converter and SD data memory card areused to collect and store acoustic field data. Ship characteristic information collected by using data communication interface andcommunication buoys could be transmitted to the maritime testing ship or the land monitoring center through the Beidou satellite sys-tem in real time. With the aid of the experimental system,the acoustic field signals of ships passing through a certain water area can be monitored and the frequency of passage of the ships in real time can be reported.
In order to meet the need of detecting the passage of ships in some key seas,a ship acoustic field detection system is designed. The monitoring system uses a modular design. First we use LT1884 operational amplifier to design signal conditional cir-cuit,amplify and filter the signal received by the hydrophone. Then FPGA analog-to-digital converter and SD data memory card areused to collect and store acoustic field data. Ship characteristic information collected by using data communication interface andcommunication buoys could be transmitted to the maritime testing ship or the land monitoring center through the Beidou satellite sys-tem in real time. With the aid of the experimental system,the acoustic field signals of ships passing through a certain water area can be monitored and the frequency of passage of the ships in real time can be reported.
引文
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[2]林春生,龚沈光,程锦房,颜冰.水雷引信系统设计原理[M].北京:兵器工业出版社,2013:55-56.
[3]丁士圻.模拟滤波器[M].哈尔滨:哈尔滨工程大学出版社,2004:3-8.
[4]远坂俊昭.测量电子电路设计[M].北京:科学出版社,2010:21-25.
[5]稻叶保.模拟技术应用技巧[M].北京:科学出版社,2010:156-162.
[6]孙秋野,孙凯,冯健.ARM嵌入式系统开发典型模块[M].北京:人民邮电出版社,2007:3-6.
[7]张淑梅.基于ARM+FPGA的高精度数据采集系统设计[J].国外电子测量技术,2014,33(11):62-65.
[8]曹扬,李建春,刘鹏远.基于FPGA的自适应陷波器研究和设计[J].导航与控制,2015,14(02):83-90.
[9]张松,李筠.FPGA的模块化设计方法[J].电子测量与仪器学报,2014,5:560-562.
[10]王彦.基于FPGA的工程设计与应用[M].西安:西安电子科技大学出版社,2007.
[11]唐庆辉.基于北斗短报文通信的装备远程保障平台[J].舰船电子工程,2016,6:96-97.
[12]陈冬莹.北斗卫星导航系统应用的分析[J].数据通信,2014,5:1-2.