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10
Foreword
AttheendreturntomyAlmaMaterandactivityinthegroupofHigh
VoltageandElectromagneticCompatibility.Actually,thelectureabout
EMCwhichIamgivingsincebeinghereisthemotivationforwritingthis
book.
Itisastonishinginhowmanysituationsthreeterms:matching,electrical
dimensionandfrequencybandwidthareapplied.
Matchingconcerns:
•powerandimpedance,
•antennapolarisation,
•probeorientation,
•elevationoftransmittingandreceivingantenna,
•dipolelength.
Electricaldimensionappearsinsituationssuchas:
•radiationabilityoftheEUT,
•permissiblesizebytestingtheEUT,
•permissiblelengthofthelinesegmentbymeasurementoftransfer
impedance,
•equivalentcircuitofthetransmissionlineaslumpedelementorlinewith
distributedparameters,
•electricaldistancefromtheantenna.
Thefrequencybandwidthofsingleorrepetitivetransienteventmustbe
alwaystheoutgoingpointfortheanalysisofanyEMCproblem.
Iwouldliketoexpressmygratitudetoprof.Stanis/
lawBolkowski,
myfirstteacherandsupervisorinelectricalengineering.
Thenextis
prof.HeinrichBaggenstossfromtheETHZ¨
urichwhoinmiddleofthe
80splacedhistrustinayoungscientistfromtheothersideoftheiron
curtainandacceptedmeinhisGroupofElectromagneticFields.Ihadthe
possibilitytogrowupamongveryinterestingpeoplesuchasPascalLeucht-
mann,ChristianHafner,GeorgKlauss,NielsKuster,LukasNovotny,Peter
Regli,RayBallisti,J¨
orgFr¨
ohlich,LarsandFinBohmhold.Thanktoprof.
HeinrichBaggenstossIcouldproceedthereafterintotheSwissindustry.
Mr.HeinrichKunzwasmysuperiorbySchaffnerAGwhoencouraged
metopublishscientificandtechnicalpapersandsentmeregularlytoEMC
symposiaworldwide.Icouldmakeacquaintancetherewithsuchoutstand-
ingpersonsasprof.DavidPommerenkefromUniversityofMissouri-Rolla,
currentlyGrazUniversityofTechnology,prof.OsamuFujiwarafromKy-
otoUniversityofTechnology,prof.KenKawamatafromTohokuGakuin
University.
IwouldliketomentionheretheenterpriseASTATS.zO.O.Forabout
twentyfiveyearsthefounderoftheASTATunfortunatelyalreadydeceased
MrKrzysztofŻakowskiandRomualdWinterhavevisitedforthefirsttime
