垂直多层堆叠的八木天线与双重极化ppt课件

.,垂直多層堆疊的八木天線與雙重極化,教授：陳文山班級：碩研電子一甲姓名：林晏羽學號：M9930228,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,前言,在本文中，高增益且小型堆疊多層八木定向天線，提出並證明在5.8GHz對LPS的應用。這種結構使得使用垂直堆疊的八木像寄生元素，讓控制器很容易獲得一個模擬增益12dB。兩種不同的天線配置，提出一個基於幾何單偶極子極化，另一個在一個圓形貼片實現雙兩極分化。這些天線的特點就各種幾何參數進行了研究，以獲得所需的性能。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,八木天線,由來結構優點應用,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,本地定位系統（LPS）是一個無線電系統，用於搜索和實時跟踪對象的利益在有限的空間範圍。這是一個典型的應用無線傳感器網絡。與LPS，移動對象可以是局部的，也可以收集有關其立場，在精確的時間瞬間。因此，緊湊尺寸，重量輕，低成本的天線需要LPS的設計和實施。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,為了解決這個問題的規模和佔用範圍內的平面結構，兩種新型高增益結構緊湊基礎上，八木宇田的概念第一次提出了在此工作。這些結構是建於一個由多層堆疊加在一起的反射器，驅動程序，及控制器。相對於以上描述的同面八木定向天線，這種設計能夠提供一個數字的優勢。,一、用第三維（垂直方向）二、高介電常數基板三、設計雙偏振基礎四、多天線毫米波和赫茲,1.八木微帶天線陣列的發展2.八木天線配置3.該天線的設計,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,證明提出的概念和設計特性,圖1.擬議的結構設計1（偶極堆積八木天線）,圖2.第二層的設計1,A.八木天線偶極堆積（設計1）,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,圖.3擬議的結構設計2（雙圓極化圓型貼片）,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,天線設計的思考,1.偶極子八木天線2.偶極子天線和平衡不平衡變壓器，以及共面帶共面波導饋電偶極子和帶狀線平衡不平衡變換器3.基板上製作控制器元素,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,4.天線增益等特點5.八木天線偶極堆積模擬6.反射面的傳動器被添加到元素的大小和距離的反射進行了優化。,圖4.增益變化與地平面尺寸為不同的驅動程序到反射器間距,圖5.增益變化為不同的長度與控制器到控制器間距,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,7.三個控制器被添加到偶極子和反射器,圖6.增益變化為一個函數的控制器長度：固定八木天線三和四個相同的控制器;堆積八木天線控制器及高介電常數的示意圖,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,8.增益增強是由以下方程組與B作為較低層的厚度和,是它的相對介電常數和磁導率。9.和是相對介電常數和磁導率的上層。折射率是。是指頻率偏差參數。在頻率為中心頻率附近的。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,(4),(5),(3),(2),Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,設計1.堆疊八木天線的偶極,設計2.堆疊八木天線對於修補程序,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,B.圓形貼片堆疊八木天線雙極化（設計2）,顯示了元素的寬度影響的帶寬設計的1。這種設計之間的帶寬可以達到6和27，至5.8千兆赫。,圖7.S11片段作為函數的元素的寬度,圖8.增益與地平面尺寸,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,圖9.增益與寄生元件的數量,圖10.增益變化與控制器長度不同的控制器到控制器間距,需求大規模的地平面是有關一個限制的重疊偶極八木天線。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,圖11.直徑變化的影響對增益和隔離兩偏振,層的大小和接地層是。由於有效介電常數基板，低於先前的配置，間距之間的控制器已相應增加。因此，在同一基板已用於整個天線，以簡化製造過程。垂直間距控制器已接近14.6mm(0.28)，而在這個設計總高度為60mm的配置。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,結果與討論,圖12.照片第一個設計例子偶極型八木天線的結構。,圖13.照片第二個設計例子圓型貼片的八木天線的結構。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,第一個設計實例,1.傳輸特性2.輻射模式3.天線增益,圖14.S參數特性的原型天線1,圖15.顯示天線輻射模式在5.8GHz1,設計的多層堆疊的八木天線比金屬喇叭天線是更緊湊。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,第二個設計實例,1.傳輸特性2.輻射模式3.天線增益,圖16.S-參數特性的原型天線2。,圖17.顯示天線輻射圖在5.8GHz2,為了實現可比性增益，DeJean25提出了一種雙向八木天線和四邊形八木天線其中包括七片平面元素。地平面的尺寸比證明我們天線的大小。,Thispaperappearsin:AntennasandPropagation,IEEETransactionson.IssueDate:April2010.Volume:58,Issue:4.Onpage(s):1022-1030.INSPECAccessionNumber:11208240.DigitalObjectIdentifier:10.1109/TAP.2010.2041155.DateofPublication:25一月2010.DateofCurrentVersion:05四月2010.Sponsoredby:IEEEAntennasandPropagationSociety.,.,結論,這項工作表明，所提出的概念提供輕重量，低成本，高性能和全集成解決方案的本地定位平台，無線傳感器系統和雷達傳感器的應用。可以預見，這些新天線將提供一個非常有吸引力的設計方案，適用範圍廣微波和毫米波系統應用。,.,參考文獻,1M.Vossiek,L.Wiebking,P.Gulden,J.Wieghardt,C.Hoffmann,andP.Heide,“Wirelesslocalpositioning,”Microw.Mag.,vol.4,pp.7786,Dec.2003.2W.L.StutzmanandG.A.Thiele,AntennaTheoryandDesign,2nded.NewYork:Wiley,1998.3J.HuangandA.C.Densmore,“MicrostripYagiantennaformobilesatellitevehicleapplication,”Trans.AntennasPropag.,vol.39,pp.10241030,Jul.1991.4L.C.KretlyandC.E.Capovilla,“Patchesdriveronthequasi-Yagiantenna:Analysesofbandwidthandradiationpattern,”inProc.Int.MicrowaveandOptoelectron.Conf.,IguazuFalls,Brazil,Sep.2003,vol.1,pp.313316.5Y.Qian,W.Deal,N.Kaneda,andT.Itoh,“Microstrip-fedquasi-Yagiantennawithbroadbandcharacteristics,”Electron.Lett.,vol.34,pp.1942196,1998.6G.Zheng,A.Kishk,A.Yakovlev,andA.Glisson,“SimplifiedfeedingforamodifiedprintedYagiantenna,”inProc.AntennasandPropagationSocietyInt.Symp.,Columbus,OH,Jun.2003,vol.3,pp.934937.,.,7Q.YongxiandT.Itoh,“Activeintegratedantennasusingplanarquasi-Yagiradiators,”inProc.Int.MicrowaveandMillimeterWaveTechnologyConf.,Beijing,China,Sep.2000,pp.14.8M.AlslietyandD.Aloi,“AlowprofilemicrostripYagidipoleantennaforwirelesscommunicationsinthe5GHzband,”inProc.Int.Conf.onElectro/InformationTechnology,EastLansing,MI,May2006,pp.525528.9J.P.Damiano,J.Bennegueouche,andA.Papiernik,“Studyofmultilayermicrostripantennaswithradiatingelementsofvariousgeometry,”IEEProc.,vol.137,no.3,pp.163170,Jun.1990.10R.Li,G.DeJean,M.Maeng,K.Lim,S.Pinel,M.M.Tentzeris,andJ.Laskar,“Designofcompactstacked-patchantennasinLTCCmultilayerpackagingmodulesforwirelessapplications,”Trans.Adv.Packag.,vol.27,no.4,pp.581589,Nov.2004.11H.W.EhrenspeckandH.Poehler,“AnewmethodforobtainingmaximumgainfromYagiantennas,”IRETrans.AntennasPropag.,vol.AP-7,pp.379386,Oct.1959.12P.S.Bhatnagar,J.P.Daniel,K.Mahdjoubi,andC.Terret,“Experimentalstudyonstackedtriangularmicrostripantennas,”Electron.Lett.,vol.22,no.16,pp.864865,Jul.1986.13C.Guan-YuandJwo-Shiun,“Aprinteddipoleantennawithmicrostriptaperedbalun,”Microw.Opt.Technol.Lett.,vol.40,no.4,pp.344346,Feb.2004.,.,14N.MichishitaandA.Hiroyuki,“Apolarizationdiversityantennausingaprinteddipoleandpatchwithahole,”Electron.Commun.Jpn.,vol.86,no.9,pp.5766,Mar.2003.15S.Dey,C.K.Aanandan,P.Mohanan,andK.G.Nair,“Analysisofcavitybackedprinteddipoles,”Electron.Lett.,vol.30,no.30,pp.173174,Feb.1994.16L.C.ShenandG.W.Raffoul,“OptimumdesignofYagiarrayofloops,”Trans.AntennasPropag.,vol.22,no.11,pp.829830,Nov.1974.17J.A.Nessel,A.Zaman,R.Q.Lee,andK.Lambert,“DemonstrationofanX-bandmultilayerYagi-likemicrostrippatchantennawithhighdirectivityandlargebandwidth,”inPro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