船载AIS系统的设计与实现

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1、武汉理工大学硕士学位论文船载AIS系统的设计与实现姓名：曹炜申请学位级别：硕士专业：通信与信息系统指导教师：陈伟;黄秋元20070401武汉理工大学硕士学位论文A-bstractThemoderndigitalcommunicationtechnologysupportstheadoptionofthemoreadvancedandeffectivecommunicationmodetorealizethecontrolofa11kindsof打棚cwithfavorabletechnicalconditomAstheoutcomeof

2、thecombinationofmobilecommunicationtechnologyandcomputertechnology,theAutomaticIdentificationSystem(At勘isakindofnew-typenavaidandequipment．It'susedforidentificationbetweenshipsorshipsandVesselTrafficService．AISareintendedtoautomaticaltyprovideOWllinformationsuchaSshipide

3、ntity,type，position,course，speed,navigationalstatusandsafety-relatedinformationtOappropriatelyequippedshorestations，othershipsandaircrafts，andAISalsocanreceivesuchinformatonfromsimilarlyfittedships．ThusAIScanautomaticallymonitorandtracenearby幽ps，it'spropitioustomanageshi

4、psinM．arineandsailsafety．AISused011shipsarcoperatedin161．975MHzand162．025MHz,andthebandwidthis25KH毛ThesignaliStransmittedafterGMSKmodulationandNRZIcoding．Itsdataroteis9600bps，andtheinformationispackedinHDLCformat．Therearefivepartsinthispaper：l誓thebackground,developing-co

5、ndition,functionandsystemstructureofAISisintroduced．2“，detialdiscussionofseveralkeytechnologiesrelatedtoAIS：theanalysisoftheSOTDMAcommunicatingprinciple．SOTDMAtimeslotreservationselectionarithmeticandrelatedco蚰ectiontechnologyoftheSOTDMA；theintroductionofbaSicprincipleof

6、theGMSKmodulationanditsrealization；thestudyofHDLCformat；andthediscussionofNRZIprincipleanditsstrength．3”，hardwaredesignmentisbroughtforward,includingblockdiagram,circuitschematicsandintroductionofeverymodule．4th．therea糟twosectionsinthispart．OSisexpatiatedinthefastsection

7、,andapplicationsoftwareisprovidedinthesecond$d2tion．11艟exampleprograms黜showninbothsections．5m，mcdesignofAIsusedonshipllasbeentested，andtheoutcomereachOUrrequirements．Keywords：AIS；SOTDMA；GMSK；HDLC；ARMⅡ独创性声明本人声明，所呈交的论文是本人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其

8、他人已经发表或撰写过的研究成果，也不包含为获得武汉理工大学或其它教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示了谢意。签名蜘期：上本殳关于论文使