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1、蘭州理工大學(xué)碩士學(xué)位論文基于DSP的諧波測(cè)量?jī)x的研究姓名：黃錦華申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：系統(tǒng)工程指導(dǎo)教師：陳若珠駱東松20100501璉’『：DSP的i皆波測(cè)硅儀的研究AbstraetWiththedevelopmentofpowerelectronictechnologymoreandmorenon‘lineardevicesareappliedtothepowersystemPowernetworkharmonicpollution

2、isincreasingSothesecurityofpowersystemisthreatenedTheoperatinglossisincreasingTheuser’SnormalworkisaffectedTherefore，anglicizingandmonitoringpowersystemharmonicsisveryusefultomakesurepowersystemrunningsafelyThetraditiona

3、lpowerqualityanglicizingandmonitoringsystemsgenerallyuseMCUascode，butallMCUisnotfastenoughtosamplehi曲lyandrealtimeanalysisSothesampledataisnotenough，andtheaccuracyofdataislowInrecentyears，digitalsignalprocessor(DSP)isuse

4、d，SOthathigh—speedsamplinghigh—speeddatastoragingandreal—timeprocessingofdatacanbefinishedperfectlyTheDSPUSeSadvancedHarvardarchitectureTheprogrammemoryanddatastoragehastheirownbusItcanprocessprogramanddataatthesametimeS

5、oitgreatlyimprovestheaccuracyofharmonicanglicizingWiththemethodofanglicizingharmonicandelectronicsdeveloping，moreandmoreharmonicanglicizingequipmentisusedHarmonicanglicizingequipmentsmadeinabroadarepowerful，highprecision

6、butexpensiveHarmonicanglicizingequipmentsmadeathomeisoppositeThesubjectintroducesaharmonicanglicizingequipmentbasedonhighspeedDSPandH吧whichishighspeed，powerfulandcheapFirstlyvarietyofharmonicanglicizingalgorithmiscompare

7、dinthesubjectTheFFrischoosedandstudieddeeplyWindowsandinterpolationisusedtoimprove胍SecondlyappropriateelectroniccomponentsarechoosedtodesignaharmonicanglicizingequipmentThepaperintroducesthehardwareofharmonicanglicizinge

8、quipmentthatincludessamplemodule，harmonicanglicizingmodule，manmachineinterfacemoduleandserialinterfacemodule，etcThirdlythesoftwareofharmonicanglicizingequipmentisdesigned，whichincludesprogramofsamplingdata，processingdata

9、，communicationanduppermonitoretcFinallytheharmonicanglicizingequipmentisusedtoanglicizeharmonicthatproducedbyanotherequipmentThepaperintroducesreasonofanglicizingerrorandthewayofreducederrorisintroducedTheresultachievest

10、hedesiredresultsThefinalresultisasgoodasexpectedTheanglicizingresultindicatesthattheharmonicanglicizingequipmentbasedonDSPishigh—speedandhigh—accuracyItcanbeusedinpowersystemKeyword：harmonicmeasurement；fastfouriertransfo

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