內容大鋼
本書為2021年度國家科技著作出版基金資助項目。全書共9章，基於同軸縫隙的全向圓極化天線及其衍生的天線系列的研究思路、原理和方法，詳細介紹了同軸TEM行波與正交縫隙陣列泄漏的原理，通過引入多埠網路形成極化分集與空間分集，可重構的多波束天線設計等，為適應不同頻率、場景等需求的縫隙天線的設計提供思路和方法。
本書的研究成果對於動態環境下的車載通信、空/天地通信等有很好的應用價值，對從事天線和無線通信研究的有關科技工作者和師生有重要的參考價值，可作為從事天線和無線通信研究設計的研究者和技術人員的參考用書。
作者介紹
耿軍平|責編:張瀟
耿軍平，Dr.Junping Geng received his B.E degree in plastic working of metals，M.S.degree in corrosion and protection ofequipment，add Ph.D.degree in circuit and system from the Northwestem Polytechnical University,Xian，China，in 1996，1999 and 2003，respectively.
From 2003 to 2005.he Was a postdoctoral researcher in Shanghai Jiao Tong University,Shanghai，China.In April 2005，he joined the faculty ofthe Emconic Engineering Department，Shanghai Jiao Tong University.He-was promoted to an associated professor in 2008.
目錄
l Introduction
1.1 Background and Demand
1.2 Research Development of the Omnidirectional Circularly
Polarized Antennas
1.2.1 Onmidirectional Circularly Polarized Antennas
1.2.2 Research on Omnidirectional Circularly Polarized
TaDered Beam Antenna
1.2.3 Omnidirectional Polarization Reconfigurable
Circularly Polarized Antenna
1.3 Content and Construction ofthe Book
References
2 Basic Theory of Omnidirectional Antenna and Slot Array
2.1 The Basic Theory ofthe Transmission Line
2.1.1 The Uniform Transmission Line
2.1.2 T11e State Parameters and Impedance of the TL
2.1.3 111e Short State ofthe Lossless TL
2.2 The Basic neory of CoaxialⅥrave—Guide
2.2.1 The Main Mode of Coaxial Transmission Lin EM
2.2.2 TheParametersoftheMainModeinCTL
2.2.3 High Order Modes in the Coaxial Transmission Line
(CTL)
2.3 The Basic Theory to Slot AnteIma
2.4 Basic Theory ofArray Antenna
2.4.1 Product T11eoremofPaRem
2.4.2 Uniform Linear Array
2.4.3 Grating Lobe andthe Interval
2.5 Summary
References
3 Principles of Omnidirectional CP Slot Array Antenna
3.1 Introduction
3.2 Geometry Structure and Principle
3.2.1 Antenna Structure
3.2.2 Design Principle to Omnidirectional CP Radiation
Performance
3.2.3 Impedance Matching and Feed Design
3.3 Antenna Performance Simulation and Verification
3.4 Experiment Results Analysis
3.5 Improved Omnidirectional CP Coaxial Slots Antenna
with Compact Size and High Gain
3.5.1 Improved Antenna Geometry Structure
3.5.2 Improved Antenna Design
3.5.3 AntennaPerformanceDiscussion
3.6 Summary
References
4 Principies of Omnidirectional Dual·CP Slot Array Antenna
4.1 Introduction
4.2 Geometry Structure，Principle and Antenna Design
4.2.1 Antenna Structure
4.2.2 Dual CP Principle
4.3 Antenna Performance Analysis
4.4 Summary
References
5 Dual CP Polarization Diversity and Space Diversity Antennas
Enabled by a Compact T-Shaped Feed Structure
5.1 Introduction
5.2 T-Shaped Feed Structure
5.2.1 TFS Geometry Structure
5.2.2 TFS Impedance Transformation
5.2.3 TFS Performance by Simulation
5.3 The Improved Dual CP Omnidirectional Antenna Fed by TFS
5-3.1 The Principle and Structure ofthe Improved DCPOA
5.3.2 Performance oftheImprovedDCPOA
5_3-3 DCPOA Parametric Study and Analysis
5.3.4 Experimental Verification and Analysis
5.3.5 Comparison with Other Dual CP Antenna
5.4 TFS.Enabled Space Diversity Antealia
5.4.1 The Principle ofthe SDA wim TFS
5.4.2 SDA Structure and Performance
5.4.3 ExperimentalVerification andAnalysis
5.4.4 Comparison with Other Spatial Diversity Antennas
5.5 Summary
References
6 A Circular Truncated Cone Slot Antenna with Circular
Polarized Conical Beam
6.1 Introduction
6.2 Antenna Design and Analysis
6.3 Parameter Analysis
6.4 Results and Discussion
6.5 Summary
References
7 Half-Space Covered Antenna for Air-Ground Communication
7.1 Introduction
7.1.1 111e Principle of the Half Space Covering Antenna
7.1.2 The Key Parameters of the Half Space Covering
Antenna
7.2 Performance Analysis
7.3 Summary
References
8 A Compact Reconligurable Coaxial Slot Antenna
8.1 Introduction
8.2 Design Principle
8.3 Simulation Results
8.4 Summary
References
9 The Omnidirectional，Directional Switchable Antenna Based
on the Curved Microstrip Antenna with Defected Ground
Structure
9.1 Introduction
9.2 Geometry Structure and Analysis Method
9.2.1 Antenna Geometry with Defected Ground
9.2.2 Equivalent Circuit
9.2.3 Simulation Method and Experiment Condition
9.3 ResultAnalysis forPlanarAntennawitIlDGS
9.3.1 Impedance
9.3.2 Lengthl
9.3.3 Length
9.3.4 Cavity
9.3.5 The Optimized Parameter Values for the Plane
Microstrip Antenna with DGS
9.4 Curved Antennae
9.4.1 The Varying Principle of the Curved Antenna
with Curving Angle Changing，but Other Parameters
Being Unmoved
9.4.2 PattenVaryingwiththeCurvingAngle a
9.4.3 Gain
9.5 Omnidirectional/Directional Switchable Antenna
9.5.1 Switchable Principle
9.5.2 Omnidirectional/Directional Antenna
9.6 Summary
References
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