輻射型漏泄同軸電纜設計.pdf

1、西安電子科技大學碩士學位論文輻射型漏泄同軸電纜設計姓名：李明儒申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：路宏敏201201AbstractAbstractTheLeakyCoaxialCablehasthecharacteristiesofbcIthtransmissionlinesandradiatingantennasoitcannotonlytransmitelectricalsignalsalongitsaxisbutalsad

2、iateelectromagneticwavesalongitsradialdirectionOwingtotheadvantagesofuniformcoverageontheradiatedfield，withoutblindzoneandlowcouplingloss，LCXisrecentlywidelyusedinwirelesscommunicationintheareassuchassubways，tunnels，unde

3、rgroundmalls，minesandotherbuildingsinblindzonesTherefore，theresearchonitstechnologyisbecomingahottopicinthefieldofcommunicationBeginningwiththebasictheoryofLCX，thispaperintroduceditsstructure，classificationandthreeimport

4、antperformanceindexesincludingoperationfrequency—band，couplinglossandtransmissionattenuation，analysesitsradiationmodelsanddiscussesthemethodofbandwidthexpansionofLCXsinglemoderadiationLCXrequiresdifferentelectricalproper

5、tiesduetodifferentapplications，Therulesofcouplinglossvaryingwiththeangle，lengthandpitchofeight—shapedslotsissimulatedandanalyzed，Amethodofadjustingtheslotpitchisproposedwithchangingthedistanceoftheadjacenteightshapedslot

6、pairs，whileunchangingthegeometricalstructureparametersofasingleeight—shapedslotpairthismethodisofacertainreferencesinengineeringapplicationsFinallythemethodsofLCXdesignandparameteroptimizationareintroduced，whichhavegoodg