基于DVB的数据广播系统的设计与实现

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1、西南交通大学硕士学位论文基于DVB的数据广播系统的设计与实现姓名：刘厚双申请学位级别：硕士专业：交通信息工程及控制指导教师：倪少权20080501西南交通大学硕士研究生毕业论文第Ⅱ页——_■——一IIII—I■●lll●●llAbstractAlongwiththedevelopmentandpromotionofdigitaltelevisiontechnology，peoplerequirenotonlyvideoandaudioinformation，butalsowanttogetmoreinformationfromtelevision．Datab

2、roadcastingisanewtelevisionservicedifferentfromtraditionalaudioandvideoservice．Databroadcastingsystembringmorefunctionsforuser，suchasgraphics，text，onlineupgrades，gamesanddatadownload，andetc．Anditcanalsosupportinteractivefeaturesifnetworksupported．Therehasalargenumberoftelevisionuse

3、rsinourcountry，theresearchanddevelopmentwithlocalcharacteristicsofthedatabroadcastingsystemcouldconducivetoenhancingthelevelofChineseinf．ormation．Thethesisintroducethebackgroundofdatabroadcastingsystemanddevelopmentsintheworld．AndthenoutlinestheMPEG一2andDVBstandards，discussthedisti

4、nctionofdataCarouselandObjectCarousel．Afterdetailedanalysisthestructureofdatabroadcastingsystemitintroducethehardwareandsoftwaredesigninthereceivingend．Theworkinthethesisisfocusedonhowtorealizetheproposalofthefrontendandreceivingend．ThethesisdetailanalysisthespecificationofDVBbroad

5、casting，designaconvenientandeffectivedatastructuretoencapsulatethewebfiles．Weconstructtheimportantfieldssuchasserviceinformation，PCR，CRCandothersinaccordancewiththeMPEG一2transmissionstandard．Andfinallypackageallthedataintotransportstream．Itdescribedhowtorealizethedatareceive，analys

6、is，reorganizationandthemanagementofdatabroadcastingprogramsinthereceivingend．Italsointroducethebrowsermoduleintegration，theimportantinterfacesbetweenbrowserandsystemsoftware．DataBroadcastingintegratedintothesystemsoftwareindigitalvideobox，andtestedintheactualtransmissionenvironment

7、，thevariousaspectsoffunctionalityandperformancecan西南交通大学硕士研究生毕业论文第Ⅲ页meetrequirements．KeyWords：databroadcasting；DVB：systemdesign西南交通大学曲南父逋大罕学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和’电子版，允许论文被查阅和借阅。本人授权西南交通大学可以将本论文的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或扫描等复印手段保存和汇编本学位论

8、文。本学位论文属于1．保密口，在年解密后适用本授权书