8319366_吴晓丽_双频MIMO天线的解耦设计_双频MIMO天线的解耦设计.docx

ContentsContents双频MIMO天线的解耦设计目录ContentsIII中文摘要VABSTRACTV第一章绪论81.1课题研究的背景及意义81.2国内外研究现状91.2.1天线的缺陷地解耦101.2.2中和线技术解耦121.2.3添加枝节结构解耦151.2.4采用谐振结构解耦171.3论文的主要工作及结构安排19第二章枝节解耦的MIMO天线212.1引言212.2双频PIFA天线的设计222.2.1天线结构222.2.2天线的仿真结果252.3添加I型枝节解耦设计272.3.1添加I型枝节解耦的天线结构272.3.2添加I型枝节的仿真结果分析282.4添加T型枝节解耦设计302.4.1添加T型枝节解耦的天线结构302.4.2参数分析322.3.5仿真和测量结果342.5本章小结36第三章中和线解耦的MIMO天线383.1引言383.2中和线解耦原理383.3中和线解耦MIMO天线403.3.1中和线解耦的MIMO天线结构403.3.2天线表面电流分布图和幅度相位分析413.3.3中和线参数分析433.4本章总结454.1引言464.2四单元MIMO天线474.2.1四单元天线结构474.2.2天线表面电流分析494.2.3天线仿真分析514.3本章总结52第五章总结53参考文献54攻读硕士学位期间取得的研究成果及参与的科研项目62致谢63ContentsChineseAbstractIABSTRACTIIIChapter1Introduction11.1Backgroundandsignificanceoftheresearch101.2Domesticandforeignresearchstatus111.2.1Defectdecouplingofantennas111.2.2DecouplingofMediumandLineTechnologies141.2.3Addedbranchstructuredecoupling181.2.4Decouplingofresonantstructures201.3MainWorkandStructureofthePaper23Chapter2FrequencyReconfigurableMIMOAntenna242.1foreword242.2MIMOAntennaDesign252.3Dual-frequencyPIFAantenna262.3.1antennastructure262.3.2antennadecouplingstructure282.3.3Simulationandmeasurementresults292.4ToaddTdecoupledPIFAantenna322.4.1antennastructure322.4.2parameteranalysis342.4.3Simulationandmeasurementresults352.5Summaryofthischapter37Chapter3MIMOAntennaforNeutralizingLineDecoupling383.1foreword383.2Thederivationoftheprincipleofneutralizinglinedecoupling383.3DecouplingMIMOAntenna393.3.1MIMOantennastructurewithneutralizinglinedecoupling393.3.2Currentdistributionandamplitudephaseanalysisofantennasurface403.3.3ParametricAnalysisofMediumandLineDimensions403.3.4Simulationandmeasurementresults403.4Summaryofthischapter41Chapter4FourcellMIMOantenna414.1foreword424.2FourcellMIMOantenna434.2.1FourcellMIMOantennastructure434.2.2CurrentAnalysisonAntennaSurface444.2.3AntennaSimulati