應(yīng)用于GSM-DCS網(wǎng)絡(luò)的手機內(nèi)置天線的設(shè)計.pdf

1、大連海事大學(xué)碩士學(xué)位論文應(yīng)用于GSMDCS網(wǎng)絡(luò)的手機內(nèi)置天線的設(shè)計姓名：張一夫申請學(xué)位級別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：欒秀珍20080301英文摘要DesignofGSM／DCSHandsetInnerAntennaAbstractInrecentyears，withthefastdevelopmentofmodemcommunicationtechniqueinthewholeword，personalcommunicatio

2、nandmobilecommunicationaregrowingfastThehandsetasanormalmobilecommunicationtoolisdevelopingdayafterday；therearemorechangesandideasaboutthefunction，structureandfashionablestyleeverydaywhichraiseahigherrequirementaboutthei

3、mportantRFparthandsetantennaTheelectronicandmagneticenvironmentofthehandsetisverycomplex，andtheusedroomforantennaislimitedHence，howtorealizethecompactanddualband／broadbandhandsetantennashasbeentheresearchhotspotinrecenty

4、earsTomeettherequirementsofusersforhighperformancehandsets，GSM900／DCS1800dualbandhandsetsemergeasthetimesrequireUsingGSM900／DCS1800dualbandhandsets，theUSerCanchangethecommunicationbandbetweenGSMandDCSfreelySOthecommunica

5、tionqualityCanbeimprovedTheoperationalfrequencyrangeofGSM／DCSsystemis：880MHz960MHzforGSM，and1710MHz1880MHzforDCSDesigningdualbandhandsetantennaisthekeywhendesignthedualbandhandsetThegoalofthispaperistodesignthehandsetant

6、ennafortheGSM／DCSsystemNowmicrostripantennaisusedashandsetinnerantennabroadlyBasedonwidelyreferenceofdomesticandoverseasliteratures，themicrostripantennastheoryandanalysismethodsareconcludedandanalyzedcomprehensivelyAfter

7、studiedmanypapersforcompactanddual—bandhandsetantennas，amonopoleantennaandaPIFAantennaweredesignedforthemostlyusedflatGSM／DCShandset；anewstylehandsetantennaWasdesignedforfashionablefoldGSM／DCShandsetInthedesignoffoldhand

8、setantennafoldhandsetmodelwasproposed，theinfluencesofPCBlengthandrotateangleonantennaperformanceswereconsideredInthedesign，electromagneticsimulationsoftwareAnsoflHFSS92WaSusedforoptimizationdesignGoodresultswereobtained，