頻譜管理關(guān)鍵技術(shù)——頻率指配算法研究.pdf

1、北京交通大學(xué)博士學(xué)位論文頻譜管理關(guān)鍵技術(shù)——頻率指配算法研究姓名：王強申請學(xué)位級別：博士專業(yè)：交通信息工程及控制指導(dǎo)教師：沙斐20090601ABSTRACTABSTRACTABSTRACT：ThereareseveralsortsofradiosinElectricInformationSystem(EIS)andthenumberofradiosislargeFurthermore，parametersofradioshavetob

2、eadjustedunderthewarefieldsituationTherefore，theElectromagneticEnvironment(EME)becomesverycomplicatedThus，theFrequencyAssignmentAlgorithm(FAA)mustberapidandrobustInthisfield，severalcountriesalreadyhavegoodharvestswhileCh

3、inahasnotdoneenoughstudyThisdissertationcarriesoutthestudyOnFAAintheoryandpractice，withthepurposeofenhancingperformanceofFAAThisDissertationpresentsthemathematicmodelofthisprojectFourLevelForecastModel(FLFM)iSstudiedtoan

4、alysetheinterferencebetweentworadiosTheresearchonFAAisbasedonFLFMandcontainstwoparts，determinismalgorithmandoptimizationalgorithmThroughstatisticanalysisonspetrumutilitysituationofradios，howinterferenceoccurscanbeknownTh

5、esearesomeinnovationsinthisdissertation：1、TheclassicalmathematicmodelofFrequencyAssignmentProblem(FAP)isinvestigatedItpresentsmathematicmodelofthisproject2、CompleteGraphAlgorithm(CGA)isusedtopresentFAAbecausetoperformthe

6、wholeEMCanalysisinEIS，whichnomorethan5radios，CGAisfasterthanenumerativemethodImprovedCGAisrealizedtoenhanceperformanceTheanalysisformulaeofcomputationalamountofalgorithmsarededuced3、StudyonPerformanceEvaluationsRule(PER)

7、ofbasicAntSystem(AS)suggestsPERofalgorithmissuitableforthisproject4、AntColonySystem(ACS)isemployedtosolvedynamicFAPofEIS，whichhasnOmorethan15radiosComparisonamongbasicAS，improvedAS，geneticalgorithmandACSprovesthatACSisth

8、ebest。5、EffectsofeveryparametertotheperformanceofACSafestudiedAnalysisonfunctionofparameterssuggeststhesettingruleoftheoptimizedparameters6、WiththesimulationofFAAoperation，thestatisticdataofspectrumutilitysituationofradi

9、osinEISissystemicallycollectedtoanalyzewhyinterferencehappensAlgorithminitialvaluecouldbesetaccordingtothestatisticalresultThisstatisticalresultishelpfultosetalgorithminitialvalueThisdissertationconsistsof6chapters，inclu