信道编码分析识别技术的研究

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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