地震仪器中应用的网络通讯技术研究
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摘要
网络通讯是决定地震勘探仪器系统性能和规模的关键核心技术之一,按照所采用的数据传输方式,数字地震仪目前可分为有线遥测地震仪、无线遥测地震仪和无缆存储式地震仪.本文分别举例介绍了三类地震勘探仪器中应用的经典地震网络通讯技术,并对其设计理念、网络通讯原理、通信构架、通信协议进行了分析和对比,针对有线地震仪器的电缆管理难、无线地震仪器的数据传输稳定性差和无缆存储式地震仪缺少质量监控手段的问题,讨论了无线监控与本地存储相结合的地震网络通讯技术方案,提出了基于宽带无线通信技术的无缆无线混合型地震仪的设想.
Network communication technology is one of the key technologies that decide seismic scale and seismic exploration system performance.At present,the digital seismometers according to the data transmission ways can be divided into three classes:the cable telemetry seismometers,wireless telemetry seismometers,cable-less seismic acquisition system.This paper gives examples about seismic network transmission technique's application in the introduced three types of seismic exploration classical instruments,their design ideas,network transmission principle,communication structure,communication protocol are analyzed and compared.for cables management difficulty of the cable seismic instrument,poor stability of the wireless data transmission and lack of monitoring method of cable-less seismic acquisition system,we discuss the seismic network transmission technology solution based on wireless monitoring and the local store and put forward the wireless and cable-free mixed seismometer assumption based on the broadband wireless communications technology.
Network communication technology is one of the key technologies that decide seismic scale and seismic exploration system performance.At present,the digital seismometers according to the data transmission ways can be divided into three classes:the cable telemetry seismometers,wireless telemetry seismometers,cable-less seismic acquisition system.This paper gives examples about seismic network transmission technique's application in the introduced three types of seismic exploration classical instruments,their design ideas,network transmission principle,communication structure,communication protocol are analyzed and compared.for cables management difficulty of the cable seismic instrument,poor stability of the wireless data transmission and lack of monitoring method of cable-less seismic acquisition system,we discuss the seismic network transmission technology solution based on wireless monitoring and the local store and put forward the wireless and cable-free mixed seismometer assumption based on the broadband wireless communications technology.
引文
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[8]韩晓泉,穆群英,易碧金.地震勘探仪器的现状及发展趋势.物探装备,2008,18(1):1-6.Han X Q,Mu Q Y,Yi B J.Current situation and developmenttrend of seismographs.EGP(in Chinese),2008,18(1):1-6.
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[20]张志勇.428XL无线采集设备的应用.物探装备,2009,19(2):137-140.Zhang Z Y.Application and installation of 428XL wirelessacquisition device.EGP(in Chinese),2009,19(2):137-140.
[21]张林行,林君,陈祖斌.基于多跳以太网构架的遥测地震数据传输方法.中国专利:CN101621439A.2010-01-06.Zhang L H,Lin J,Chen Z B.The seismic data transmissionmethod based on multiple hops Ethernet framework(inChinese).Chinese Patent:CN101621439A.2010-01-06.
[22]张林行.基于接力式以太网的可控震源地震勘探数据传输技术研究.长春:吉林大学,2007.Zhang L H.Study on data transmission techniques based onrelay ethernet in seismic exploration using vibroseis(inChinese).Changchun:Jilin University,2007.
[23]张林行,林君,陈祖斌.一种用于可控震源数据采集的接力式网络结构.电视技术,2006,(8):65-68.Zhang L H,Lin J,Chen Z B.A relay network topology forvibroseis data acquisition.Video Engineering(in Chinese),2006,(8):65-68.
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[25]凯洛.霍利斯,当.奇伍德,约翰.尼,费尔南多.赫南迪.FireFly无线地震采集技术在复杂敏感地区的应用[J].物探装备,2009,19(2):71-75.Cara Hollis,Don Chitwood,John Tinnin,FernandoHernandez..Application of FireFly wireless seismicacquisition technology in complex sensitive area[J].EGP,2009,19(2):71-75.
[26]夏颖,祝彩霞,孙灵群.地震勘探仪器在高密度采集中的应用[J].物探装备,2008,18(1):7-10,21.Xia Y,Zhu C X,Sun L Q.Application of seismograph inhigh density acquisition[J].EGP,2008,18(1):7-10,21.
[27]ION Inc.The application of FireFly in Wamsutter project[R].USA:ION Inc,2008.
[28]谢明璞.大规模陆上地震仪器结构设计的关键技术[D].合肥:中国科学技术大学博士学位论文,2009.Xie M P.Key Technologies of Large Scale Seismic SurveySystem design[D].Hefei:University of Science andTechnology of China[Ph.D.thesis],2009.
[29]SERCEL Inc.UNITE brochure[R].France:SERCEL INC,2008.
[30]易碧金,穆群英,罗富龙.当前地震勘探仪器的应用技术分析[J].地球物理学进展,2004,19(4):837-846.Yi B J,Mu Q Y,Luo F L.Application techniques of currentseismic exploration instruments[J].Progress in Geophysics,2004,19(4):837-846.
[31]陈联青,贾艳芳,顾欣莉.GPS授时(网络)地震仪[J].物探装备,2006,16(增刊):1-7.Chen L Q,Jia Y F and Gu X L.GPS clock(network)seismograph[J].EPG,2006,16(Supplement):1-7.
[32]郝天珧,游庆瑜.国产海底地震仪研制现状及其在海底结构探测中的应用.地球物理学报,2011,54(12):3352-3361,DOI:10.3969/j.issn.0001-5733.2011.12.033.HAO Tian-Yao,YOU Qing-Yu.Progress of homemade OBSand its application on ocean bottom structure survey.ChineseJ.Geophys.(in Chinese),2011,54(12):3352-3361,DOI:10.3969/j.issn.0001-5733.2011.12.033.
[33]杨泓渊.复杂山地自定位无缆地震仪的研究与实现[D].长春:吉林大学博士学位论文,2009.Yang H Y.The research and development of self-positioningnon-cable seismic instrument for complex mountain region[D].Changchun:University of Jilin[Ph.D.thesis],2009.
[34]李家彪.南海大陆边缘动力学:科学实验与研究进展.地球物理学报,2011,54(12):2993-3003,DOI:10.3969/j.issn.0001-5733.2011.12.002.LI Jia-Biao.Dynamics of the continental margins of SouthChina Sea:scientific experiments and research progresses.Chinese J.Geophys.(in Chinese),2011,54(12):2993-3003,DOI:10.3969/j.issn.0001-5733.2011.12.002.
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