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ID:32246650
大小:2.39 MB
页数:59页
时间:2019-02-02
《信道编码分析识别技术的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、摘要ABSTRACTlllChannelcodinganalysisandrecognitionisthekeytechnologyincommunicationreconnaissance.Thisarticlefocusesontheanalyticalmethodofcodingparameterforthetypicalconvolutioncode,linearblockcodeandinterleavedcodeundertheconditionthatonlycodedataisavailablewiththecodingparameterbe
2、ingunknowntous.Inthispaper,thecommonchannelcodesareclassifiedinaccordancewiththedifferentcodingcharacteristics.Thecodingtheoryofconvolutioncode,linearblockcodeandinterleavedcodeisdescribedrespectivelyinthearticle.Andalsothemathematicalrelationshipamongdifferentcodingparameterscanbe
3、received·Accordingtotheconclusionofcodingcharacteristicanalysis,theanalyticalrecognitionmethodofcodingforhammingcode,generalcycliccode,linearblockcodeofRScode,convolutionalcodeandpuncturedconvolutionalcodeisproved.ThestartandlengthofblockcodesCanbeobtainedbystudingthecharactersofco
4、deddataandtheframeinengineeringpractice.PrimitivepolynomialinsymboldomainandgeneratorpolynomialofRScodecanbecalculateddirectlybyutilizingmatrixtransformationmethod,thusimprovingtheadaptiveabilityofparameteranalyticalalgorithmforRScode.Theanalyricalmethodofparity—checkmatrixforpunct
5、uredconvolutionalcodewhosebitrateishalfoftheoriginalbit’Sisproposed,throughstudyingtherelationshipbetweenpuncturedconvolutionalcodesandun.puncturedconvolutionalcode.Bvanalysisonthecodingcharacteristicsaboutthematrixinterleaveofblockcode,thematrixinterleaveofconvolutionalcode,thecon
6、volutioninterleaveofblockcodeandpseudo—randominterleaveofconvolutioncode,whicharecommonstructureinengineering,thisarticleconsiderschannelcodeandstaggeredcodeasawhole.Variousiointcodeanalyticalmethodareproposedforvariouscombinedcodingandtheparametersofchannelcodeandconvolutionalcode
7、Canbedetermined.Caseanalysisconfirmsthefeasibilityofthismethod.Thetechnologyofchannelcodinganalysisandrecognitionhasbeenappliedintheproject.Aoffiinecodestreamanalysissoftwarewasdevelopedwhichachievedanalysisandrecognitionalgorithmsoftheconvolutionalcode,binaryblockcode,RScodeandint
8、erleavecodeKeywords:Channe
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