声明
摘要
ABSTRACT
ABBREVIATIONS
TABLE OF CONTENT
Chapter 1 Introduction
1.1 A short history of MPA and motivation for its development
1.2 Historical background of artificially engineered material
1.3 Applications of the AMC structure in antennas
1.3.1 Enhancing the impedance and radiation characteristics
1.3.2 AMC as a superstrate
1.3.3 AMC for size and profile reduction
1.3.4 AMC for mutual coupling reduction among multiple antenna elements
1.3.5 AMC for mulfiband or band-notched designs
1.4 Motivation
1.5 Dissertation objectives
1.6 Dissertation organization
Chapter 2 Basic theory of AMC structure
2.1 Introduction
2.2 Examples of AMC structures
2.3 AMC characterization
2.3.1 The in-phase reflection
2.3.2 Surface wave and dispersion diagram
2.3.3 Identifying the parasitic resonance frequency due to SWS
2.3.4 AMC Effective material property retrieval
2.3.5 The impact of the surrounding material on the AMC performances
2.3.6 Techniques for measuring AMC performances
2.3.7 AMC surface design procedures and example
2.3.8 Summary
Chapter 3 Thin-profile,high-gain and wideband AMC-based U-slot MPA
3.1 Introduction
3.2 Cavity and transmission line models for the MPA analysis
3.2.1 The cavity model
3.2.2 The transmission line model(TLM)
3.2.3 The relation between the total quality,IBW and VSWR of the MPA
3.3 Thin profile,high gain and wideband AMC-based U-slot cut MPA Antenna structure
3.3.1 Design procedures and performance analysis
3.3.2 Parametric study
3.3.3 Experimental validation
3.3.4 Discussion and comparison with the references
3.4 Summary
Chapter 4 Compact,Low Profile AMC-based MPA with Improved IBW and Gain
4.1 Introduction
4.2 A cornpact wideband AMC-loaded MPA with improved gain and aperture efficiency
4.2.1 Antenna Structure
4.2.2 Operational principle and analytical analysis
4.2.3 Numerical simulation,parametric study and performance analysis
4.2.4 Experimental validation
4.2.5 Discussion and comparison with the references
4.3 AMC-based MPA with Wide 3-dB Gain Bandwidth
4.3.1 Antenna structure
4.3.2 Effect of the antenna substrate on the surface waves
4.3.3 Simulated results and analysis
4.3.4 Parametric studies
4.3.5 Experimental validation
4.3.6 Discussions and comparison with similar references
4.4 Summary
Chapter 5 AMC-inspired Single Layer Low-Profile Wideband Microstrip Antenna
5.1 Introduction
5.2 Antenna structure,design theory and evolution process
5.2.1 Antenna structure
5.2.2 Design theory
5.3 Parametric studies
5.4 Experimental results and discussions
5.4.1 Experimental results
5.4.2 Discussion and comparisons with similar literatures
5.5 Summary
Chapter 6 Conclusions and Future Scope
6.1 Conclusions
6.2 Future Scope
References
Acknowledgement
List of Publications
中国科学技术大学;