LFMCW雷達信號處理系統(tǒng)的DSP實現(xiàn).pdf

1、分類號密級Y967541t學位論文LFMCW雷達信號處理系統(tǒng)的DSP實現(xiàn)指導教師姓名(題名雨l副題名)武暢(作者姓名)李玉柏教授電拄撞太堂盛簽(職務、職稱、學位、單位名稱及地址)申請專業(yè)學位級別碩士專業(yè)名稱論文提交日期信號與信息處理20064論文答辯日期20066學位授予單位和日期電壬抖掛盍堂答辯委員會主席評閱人2006年月日注1：注明《國際十進分類法uDC》的類號。ABSTRACTABSTRACTLinearFrequencyModu

2、lationContinuousWave(LFMCW)Signal，whichisusedtomeasuretheheightofearthsurface，iswidelyusedinotherapplicationsThereislesswirelessinterferenceinLFMCWsignal，becausethestructureoftransmittingandreceivingdevicesissimpler，andt

3、hetransmittedspectrumisnarrowerFurthermore，becausetheaveragepoweroftransmittingLFMCWsignalistheminimumpeakpowerandthefrequencydiversityishi曲，itcouldnotbedetectedeasilyTheprimaryfactorswhichaffecttheperformanceofLFMCWsign

4、alarecoeliminationanddistancemeasurementaccuracycausedbyDopplerfrequencyeffect111ispaperdepictsasignalprocessingsystemforLFMCWradarTllissystemismainlyusedtoeliminatenoiseinterferenceinthesampledsignal，checkouttheobjectiv

5、esignalandsendtheprocessingresultstoacomputervianetworksTheresultsarefmallyprocessedbycomputeranddisplayedonthescreenThispaperanalyzesthesignalprocessingalgorithmandthesystemimplementationschemenlisprocessingsystemusesth

6、euniversalDSPchipasthecoredevice，thusmakingiteasiertouseandtransplant111issystemCanbeappliedtomanyfields(minineardistanceradaraircraftradar)aslongasthefrontantennaandtransceiversystemsarewellorganizedItCanbeappliedtovehi

7、cleradarsfordistancemeasurementTMspaperisconsisitedof6chapters：ChapterI：thebasictheoryofLFMCWradar；ChapterII：keyfeaturesanddevelopmentbasicsoftheDSPusedinthesystem；ChpterIII：thealgorithmandanalysisofLFMCWsignalprocessing