资源描述:
《天线工具箱_Antenna_Toolkit_2E》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、AntennaToolkitAntennaToolkit2ndEditionJosephJ.Carr,K4IPVNewnesOXFORDAUCKLANDBOSTONJOHANNESBURGMELBOURNENEWDELHINewnesAnimprintofButterworth-HeinemannLinacreHouse,JordanHill,OxfordOX28DP225WildwoodAvenue,Woburn,MA01801-2041AdivisionofReedEducationalandPr
2、ofessionalPublishingLtdAmemberoftheReedElsevierplcgroupFirstpublished1997Reprinted1998Secondedition2001ßJosephJ.Carr1997,2001Allrightsreserved.Nopartofthispublicationmaybereproducedinanymaterialform(includingphotocopyingorstoringinanymediumbyelectronicm
3、eansandwhetherornottransientlyorincidentallytosomeotheruseofthispublication)withoutthewrittenpermissionofthecopyrightholderexceptinaccordancewiththeprovisionsoftheCopyright,DesignsandPatentsAct1988orunderthetermsofalicenceissuedbytheCopyrightLicensingAg
4、encyLtd,90TottenhamCourtRd,London,EnglandW1P0LP.Applicationsforthecopyrightholder’swrittenpermissiontoreproduceanypartofthispublicationshouldbeaddressedtothepublishers.BritishLibraryCataloguinginPublicationDataAcataloguerecordforthisbookisavailablefromt
5、heBritishLibraryISBN075064947XTypesetbyKeywordTypesettingServicesLtdPrintedinGreatBritainbyContentsPrefacevii1.Radiosignalsonthemove12.Antennabasics193.Wire,connection,grounds,andallthat494.Marconiandotherunbalancedantennas695.Doublets,dipoles,andotherH
6、ertzianantennas876.Limitedspaceantennas1187.Largeloopantennas1298.Wirearrayantennas1539.Smallloopantennas17610.Yagibeamantennas19511.Impedancematching20312.Simpleantennainstrumentationandmeasurements22113.Gettinga‘goodground’237Index249vPrefaceIfyouarei
7、nterestedinamateurradio,short-wavelistening,scannermon-itoring,oranyotherradiohobby,thenyouwillprobablyneedtoknowafewthingsaboutradioantennas.Thisbookisintendedfortheradioenthu-siast–whetherhamoperator,listeninghobbyist,orradioscienceobser-ver–whowantst
8、obuildanduseantennasfortheirparticularrequirementsandlocation.Alloftheantennasinthisbookcanbemadefromwire,eventhoughitispossibletouseothermaterialsifyoudesire.Theseantennashaveseveraladvantages.Oneofthemostattractiveisthattheycan