机械与电子
機械與電子
궤계여전자
MACHINERY & ELECTRONICS
2014年
3期
21-24
,共4页
数字水听器%水听器基阵%STM32F107%FPGA%DP83848
數字水聽器%水聽器基陣%STM32F107%FPGA%DP83848
수자수은기%수은기기진%STM32F107%FPGA%DP83848
digital hydrophone%array of hydro-phones%STM32F107%FPGA%DP83848
设计了一种双通道数字水听器。采用FPGA对经过放大调理的数字水听信号进行采集,采用32位微处理器 STM32F107和网络接口芯片DP83848实现以太网接口的设计方法,硬件少、易于实现和使用方便,适合现在的网络传输系统。通过试验,测得系统的传输速率达到了400 Kb/s,满足了水听器及水听器基阵对传输速率的要求。数字水听器信号处理能力强,提取的信息更加准确、可靠,水听器处理的信号既可通过多种总线实时同水面的电子设备进行通讯,也可作为独立的测试系统,自身进行信息的处理和保存。
設計瞭一種雙通道數字水聽器。採用FPGA對經過放大調理的數字水聽信號進行採集,採用32位微處理器 STM32F107和網絡接口芯片DP83848實現以太網接口的設計方法,硬件少、易于實現和使用方便,適閤現在的網絡傳輸繫統。通過試驗,測得繫統的傳輸速率達到瞭400 Kb/s,滿足瞭水聽器及水聽器基陣對傳輸速率的要求。數字水聽器信號處理能力彊,提取的信息更加準確、可靠,水聽器處理的信號既可通過多種總線實時同水麵的電子設備進行通訊,也可作為獨立的測試繫統,自身進行信息的處理和保存。
설계료일충쌍통도수자수은기。채용FPGA대경과방대조리적수자수은신호진행채집,채용32위미처리기 STM32F107화망락접구심편DP83848실현이태망접구적설계방법,경건소、역우실현화사용방편,괄합현재적망락전수계통。통과시험,측득계통적전수속솔체도료400 Kb/s,만족료수은기급수은기기진대전수속솔적요구。수자수은기신호처리능력강,제취적신식경가준학、가고,수은기처리적신호기가통과다충총선실시동수면적전자설비진행통신,야가작위독립적측시계통,자신진행신식적처리화보존。
A dual channel digital hydrophone was researched and designed.FPGA is used to col-lect digital and amplified hydrophone signal,32 bit microprocessor STM32F107 and network inter-face chip DP83848 is used to achieve Ethernet in-terface design,which has less hardware,is easy to implement and use,suitable for the current net-work transmission systems.Through experiment, system transmission rates by measured is up to 400Kb/s,satisfy requirement of the hydrophone and array of hydrophones.The digital hydrophone has strong signal processing,the extracted infor-mation is more accurate,reliable,and the hydro-phone signals can be communicated to electronic e-quipment on the surface of the water through a va-riety of real time bus,can also be used as stand alone test system which has information processing and preservation.