载体平台天线的电磁兼容性分析

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1、ABSTRACTABSTRACTWiththedevelopmentofscienceandtechnology,moreandmoreattentionhasbeenpaidonelecteomagneticcompatibilityproblemsbetweenplatformsantennas.Alargenumberofelecteronicdevices,antennasaremountedonthenarrowspacelikethevehicles,andcauseastrongelectricfiel

2、dinterference.Inordertoavoidelectromagneticinterferenceaffectingthenormaluseofthedevice,itisnecessarytopredicttheEMCplatformantenna.Comparedwiththepreviousexperienceofdesign,hereweuseanumbericalalgorithm——MOMforaccuratecalculationoftherelevantparametersofelectr

3、omagneticcompatibilitybetweenplatformsantenna.First,areviewoftheplatformantennaEMCresearchbackground,significanceandrecentdomesticandforeignresearchprogress.Inordertoaccuratelycalculatetheplatformantennasystem,surfaceintegralequationmethodofmomentsnumericalmeth

4、odforthisstudy.DetailstheMOMtocalculatethethree-dimensionalcomplextargetelectromagneticradiation,especiallyamorecomprehensivestudyoftheantennaexcitationsource.Comparethedifferencesandadvantagesofthemagneticfrillmodel,relativetotheexcitationofexcitationmoreinli

5、newithactualmeasurements.Achievethecalculatethethree-dimensionalcomplextargetelectromagneticradiation.Second,theresearchofthemutualcouplingbetweentheantennaisintroducedfirstly,Thedifferencesbetweenthemutualcouplingandmutualimpedancesfortransmittingandreceivinga

6、ntennaarraysareexplained,andthenewmutualcouplingproposedbyHuiiscalculated.Analysistherangeofmutualcoupling.Calculatingthemutualcouplingofwireantennaarraybyreciprocitytheorem.Wecanusethenumberofwireantennaquicklycalculateantennaisolation,alsotheisolationmeasures

7、ofplatformsantennaswerestudied.Calculatingtheshieldingeffectivenessoftheelectromagneticcompatibility,andcomparethevariousshieldingmeasuresofperformancequality.Finally,AnalysisofelectromagneticcompatibilitybetweenthevehicleantennaII万方数据ABSTRACTfromthesystempoint

8、ofview.Theprinciplesofmodelingandprogramofantennalayoutarestudied.Onthebasisofcalculatingtheantennaradiationcharacteristicsandisolation,westudytheinterferencebetweenthecoupl