深海潜标观测数据无线实时传输系统设计
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摘要
针对深海潜标数据实时传输的需求,设计了一种无线数据实时传输技术方案,实现在长达一年时间内对深海潜标流速数据的实时获取。由于水介质和空气介质的不同,该方案在水下和水上采用了不同的数据通信传输技术,其中在水下采用了无线水声通信方式实现深海潜标数据实时获取,而在水上则采用铱星通信的方式将数据中继回传到陆地的监控中心,该系统设计完成后在西太平洋深海潜标上进行了实际应用,并经过了长时间的稳定运行。实际运行过程表明,该系统完全能够实现潜标数据实时获取功能,在多种海况条件下表现出优异的可靠性和稳定性。
According to the requirement of the transmission of deep ocean mooring observation data, a wireless data transmission system was designed to help the ocean graphic scientists get the current data from the instruments of the ocean mooring in real-time mode. Because of the difference of the underwater acoustic channel and the terrestrial channel, communication technologies were applied, one was underwater acoustic communication, and the other was the communication by iridium satellites, the scientists could read the data at the land monitoring station. The results indicate that the system can fulfill the real-data acquisition from the deep ocean mooring, and the system shows the reliability under all kinds of weather conditions.
According to the requirement of the transmission of deep ocean mooring observation data, a wireless data transmission system was designed to help the ocean graphic scientists get the current data from the instruments of the ocean mooring in real-time mode. Because of the difference of the underwater acoustic channel and the terrestrial channel, communication technologies were applied, one was underwater acoustic communication, and the other was the communication by iridium satellites, the scientists could read the data at the land monitoring station. The results indicate that the system can fulfill the real-data acquisition from the deep ocean mooring, and the system shows the reliability under all kinds of weather conditions.
引文
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[3]WOOD J,IRISH J.A compliant surface mooring system for real-time data acquisition[C]//Oceans 1987,September 28-October 1,1987,Halifax,NS,Canada.Piscataway:IEEE Press,1987:652-657.
[4]KIKUCHI T,INOUE J,LANGEVIN D.Argo-type profiling float observations under the arctic multiyear ice[J].Deep Sea Research Part I:Oceanographic Research Papers,2007,54(9):1675-1686.
[5]MATSUMOTO H.A vertical hydrophone array coupled via inductive modem for detecting deep-ocean seismic and volcanic sources[C]//Oceans 2010 MTS/IEEE Seattle,September 20-23,2010,Seattle,WA,USA.Piscataway:IEEE Press,2010:1-7.
[6]CHAVE R A J,LEMON D D,BUERMANS J.Near real-time transmission of reduced data from a moored multi-frequency sonar by low bandwidth telemetry[C]//Oceans 2015-MTS/IEEE Washington,October 19-22,2015,Washington,DC,USA.Piscataway:IEEE Press,2015:1-5.
[7]FREITAG L E,MERRIAM J S,FRYE D E,et al.A long-term deep-water acoustic telemetry experiment[C]//Oceans 1991,October 1-3,1991,Honolulu,Hawaii,USA.Piscataway:IEEE Press,1991:254-260.
[8]SCALLY D,RYERSON D,TOWLES T.Acoustic telemetry in an automated system for long-term ocean data in real time[C]//Oceans 1984,September 10-12,1984,Washington,DC,USA.Piscataway:IEEE Press,1984:748-752.
[9]LIPPERA.Real-time desalination plant outfall monitoring using acoustic telemetry modems[C]//Oceans 2011,September 19-22,2011,Waikoloa,HI,USA.Piscataway:IEEE Press,2011:1-4.
[10]SHIH H H.Real-time current and wave measurements in ports and harbors using ADCP[C]//Oceans 2012,May 21-24,2012,Yeosu,South Korea.Piscataway:IEEE Press,2012:1-8.
[11]CODIGA D L,RICE J A,BAXLEY P A.Networked acoustic modems for real-time data delivery from distributed subsurface instruments in the coastal ocean:initial system development and performance[J].Journal of Atmospheric&Oceanic Technology,1990,21(2):331-346.
[12]FREITAG L,BALL K,KOSKI P,et al.Acoustic communications for deep-ocean observatories:results of initial testing at the MBARI MARS node[C]//Oceans 2010,May 24-27,2010,Sydney,Australia.Piscataway:IEEE Press,2010:1-6.
[13]DESTINY F,JONATHAN W,MATTHEW G.An acoustically-linked deep-ocean observatory[C]//Oceans Europe,June 20-23,2005,Brest,France.Piscataway:IEEE Press,2005:969-974.
[14]兰志刚.平台基有缆潜标实时内波监测系统[J].海洋科学,2012,36(12):76-80.LAN Z G.Platform-based cable submersible real-time internal wave monitoring system[J].Marine Sciences,2012,36(12):76-80.
[15]赵忠生,袁志伟,黄磊,等.深海潜标ADCP的实时数据传输[J].海洋科学,2012,36(8):94-97.ZHAO Z S,YUAN Z W,HUANG L,et al.Deep sea submersible ADCP real-time data transmission[J].Marine Sciences,2012,36(8):94-97.
[16]BREKHOVSKIKH L M,LYSANOV Y P.Fundamentals of ocean acoustics[M].New York:Springer,2003.
[17]ZHOU S L,WANG Z H.OFDM for underwater acoustic communications[M].Hoboken:Wiley,2014
[18]STOJANOVIC M,CATIPOVIC J A,PROKIS J G.Phase-coherent digital communication for underwater acoustic channels[J].IEEE Journal of Oceanic Engineering,1994,19(1):100-111.