New Standards for the Validation of EMC Test Sites particularly above 1 GHz.pdf

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1、AdvancesinRadioScience,3,111–117,2005SRef-ID:1684-9973/ars/2005-3-111Advancesin©CopernicusGmbH2005RadioScienceNewStandardsfortheValidationofEMCTestSitesparticularlyabove1GHzS.Battermann1,F.W.Trautnitz2,andH.Garbe11InstitutfurGrundlagenderElektrotechnikundMesstechnik,UniversityofHa

2、nnover,Appelstrasse9A,30167Hannover,¨Germany2AlbatrossProjectsGmbH,Daimlerstraße17,89564Nattheim,GermanyAbstract.Standardsforthevalidationofalternativetestsitesthe3-Dcasewithreflectionsfromall6walls.Thesereflec-withconductinggroundplaneexistforthefrequencyrangetionscauseaninterferen

3、cepatternatthereceivingantenna30–1000MHzsincetheendoftheeighties.Recentlythethatinfluencesthemeasurements.Thereforepossiblereflec-procedureforfullyanechoicrooms(FAR)hasbeenincludedtionshavetobemeasuredandquantifiedduringthevalida-inCISPR16aftermorethan10yearsintensivediscussiontionpr

4、ocedure.instandardscommittees(CENELEC,2002;CISPR,2004).Buttherearenostandardsavailableforthevalidationofal-1.2Radiationpatternofanequipmentundertestternativetestsitesabove1GHz.Theresponsibleworkinggroup(WG1)inCISPR/Ahasdrawnupthe7thcommonFigure2showstheradiationpatternofasimpletwo

5、-slotra-draft(CD).ACDVwillbepublishedinspring2005.Thediatorat5GHzfedwithaphaseshift(twomagneticdipoles)GermanstandardscommitteeVDEAK767.4.1participatesasexemplaryequipmentundertest(EUT).Significantsideinthedraftingofthestandard.Allsuggestedmeasurementlobesarevisiblewhichmaycauserefl

6、ectionsatthechamberproceduresproposedinthelastCDshavebeeninvestigatedwalls.GenerallymostEUTsinthefrequencyrangeabovebymeasurementsandtheoreticalanalysis.Thiscontribution1GHzhavetobedealtasa“largeEUT”withtheirdimen-describesthebasicideasandproblemsofthevalidationpro-sionscomparable

7、withthewavelength.Thisresultsinaverycedureofthetestsite.Furthermoremeasurementresultsandcomplexradiationpattern.Thevalidationprocedurehastonumericalcalculationswillbepresentedespeciallyforthetakeintoaccountthesepossiblepatterns.useofomni-directionalantennas.Itisaconsequencethatani

8、sotropicsourcewouldbethebestsourc