二元BCH碼譯碼算法的優(yōu)化與應(yīng)用.pdf

1、廣州大學碩士學位論文二元BCH碼譯碼算法的優(yōu)化與應(yīng)用姓名：鄧從政申請學位級別：碩士專業(yè)：應(yīng)用數(shù)學指導教師：王學理20070501廣州大學理學碩士學位論文AbstractWeevaluateadigitalcommunicationwhetheritsperformanceisexcellentorinferiorfromitsdependabilityanditsvalidityintheprocessofitstransmission

2、Thecodingofmessagesourcescanimprovevalidityofsignals，andthecodingofchannelcanimprovedependabilityoftransmissionSincesignalsmustbetransmittedinnoisechannel，itwillproducemanyinaccuratecodeconsequentiallyAdoptionoferrorcorr

3、ectingtechniquecanassureaccuracyandreliabilityofdataBinaryBCHcodesareaveryimportantkindoflinearcyclicerror—correctingcodewhichcancorrectmanyrandomerrorsandhaveaseriesofstrongpointsuchastheirpowerfulcorrectionabilities，si

4、mplestructureTheyarewidelyusedindigitalcommunication，therefore，studyofdecodingalgorithmofbinaryBCHcodeshaveimportantmeaningsnomatterinpracticeortheoryBinaryBCHcodesareakindofgoodcodeThestudyofdecodingalgorithmisoneofvery

5、importanttasksofcodingtheory，Withfastdevelopmentofmoderncommunicationandcomputertechnology，thetraditional踟algorithmcannotsatisfytheneedofhighspeedcommunicationsanymoreThistextimprovesthetraditionaldecodingalgorithmintwoa

6、spectsFirst，weaddalogicjudgemoduleofmodul2tojudgetheparityofiTobinaryBCHcodes，wegetthat破一0wheniisanoddnumberWedon’tcalculate喀anddothenextiterativedirectlywheniisanoddnumberInthisway，wereducetheiterativetimesbyhalfandredu