有源天线与连续微带共形天线分析

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1、有源天线及连续微带共形天线的研究AbstractVAbstractTheresearchworksaremadewithengineeringpractice.Themajorworksaredividedintotwoparts:theprototypeofactiveantennaismadeinthefirstpart,achievedtheminiaturizationoftheGPSactiveantenna;andthesampleofcontinuousmicrostripconformalantennaismadeinthese

2、condpart,solvedtheproblemofthecrackdamagetotheantennaelementofthesurfaceoftheantennastructureintheshapeandsurfacesoftheprone.Themaincontentscanbesummarizedasfollows:Firstly,withtheprojecttechnicalrequirementsoftheactiveantenna,Activeantennacompsedoftheactivefilteramplifierci

3、rcuitandpassiverectangularmicrostripantennaaredesigned,TheantennasaresimulatedbyADSsoftwareandAnsoftHFSSsoftware.onthebasisofthesimulation,theprototypeofantennaisfabricatedandmeasured.Themeasuredresultsshowthatthedesignedativeantennasworkat1575MHzinfrequency,polarizationmode

4、isrighthandpolarization,therelativeimpedancebandwidthlessthan2isof2.1%.Withintheoperatingfrequency,Axialratiocharacteristicsisofgood，thegainreachesmorethan31.7dB.Theresltsshowthatthedesigndantennafulfilledtherequest，achievedtheminiaturizationoftheGPSactiveantenna.Therefore,i

5、tisavailableforthisdesignmethodcanbeappliedinengineering.Secondly,accordingtothecylindricalconformalantennaengineeringrequirements,theprototypeofcontinuousmicrostripconformalantennaisdesigned.UsingthesoftwareAnsoftHFSS,theantennaissimulated.Onthebasisofthesimulation,theproto

6、typeoftheantennaismadeanddesigned.ThemeasurementresultsshowthattheantennaworksatLfrequencyband.VSWRislessthan2.0overtheworkingfrequencyband,polarizationmodeislinearpolarization.Theantennaachievesazimuthomnidirectionalradiation.Theresltsshowthatthedesigndantennafulfilledthere

7、quest，solvedtheproblemofthecrackdamagetotheantennaelementofthesurfaceoftheantennastructureintheshapeandsurfacesoftheprone.Theproposeddesignmethodhassomepracticalvalueinengineeringapplications.Keyword:ActivecontinuousMicrostripCylindricalConformalAntenna有源天线及连续微带共形天线的研究目录目录第一

8、章绪论........................................................................