资源描述：
《A Novel Wideband Antenna With Reconfigurable》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、IEEEANTENNASANDWIRELESSPROPAGATIONLETTERS,VOL.12,2013995ANovelWidebandAntennaWithReconfigurableBroadsideandEndfirePatternsXiaoDingandBing-ZhongWang,Member,IEEEAbstract—Thisletterpresentsanovelwidebandantennawithreconfigurablebroadsideandendfireradiatingpatterns.Thepro-posedanten
2、naadoptsavariationofstripquasi-Yagistructure.Awidebandomnidirectionalmonopoleisusedasthedriver.Sixpar-asiticstripdirectorsaredividedintotwogroupsandlocatedonthetwooppositesidesofthedriver.Tworeflectorsareprintedontheothersideofthesubstrate.Fourp-i-ndiodesareusedtocontrolthele
3、ngthofthereflectorsandfurtherregulatetheradiatingpat-tern.MeasuredresultsshowthattheproposedantennacanworkatC-bandwitharelativebandwidthof29%.Theproposedantennahastwoendfirepatternsandonebroadsidepattern,whichpointtothedirectionsofandintheelevationplane,respectively.IndexTerms
4、—Endfireantenna,pattern-reconfigurableantenna,Yagiantenna.I.INTRODUCTIONATTERN-RECONFIGURABLEantennashavereceivedPmuchattentionbecausethemanipulationofradiationpatternenablesavoidanceofnoisesources,improvedsecuritybydirectingsignalsonlytowardintendedusers,sensibilityofFig.1.St
5、ructureoftheproposedpattern-reconfigurableantenna:(a)frontsignal,intentionaljamming,improvedbeamsteeringcapabilityview;(b)backview.ofphasedarraysystems,anddiversitysystems[1]–[8].Featuringcharacteristicslikewideband,endfireradiatingpat-tern,andsimplestructure,theYagiantennahas
6、beenusedtoprintedYagistructures,theirreconfigurablemainlobescannotdesignthepattern-reconfigurableantenna[9]–[14].In[9],thejointlycoverawiderange[9],[11]–[13].prototypeofthepattern-reconfigurableantennaisamicrostripInthisletter,anewprintedYagipattern-reconfigurablean-parasiticarr
7、ay.Fourswitchesareusedtoadjustthelengthoftennaispresented.ThenewprintedYagipattern-reconfigurabletheparasiticstripandreconfiguretheradiationpattern.Thepro-antennahasanewstructureandanewreconfigurablemanner.posedantennacanworkat3.65GHzwiththreedifferentra-Thedriveroftheproposeda
8、ntennaisawidebandomnidirec-diationpatternsintheH-plane,whichpointto,0,andti
