Approximate Antenna Modeling for CAD

Contents

Preface

References

Acknowledgments

Acronyms

1 Introduction

1.1 The History of Antennas and Antenna Analysis

1.2 Antenna Synthesis

1.3 Approximate Antenna Modeling

1.4 Organisation of the Book

1.5 Summary

References

2 Intravascular MR Antennas - Loops and Solenoids

2.1 Introduction

2.2 MRI

2.3 Intravascular MR Antennas

2.4 MR Antenna Model

2.5 Antenna Evaluation

2.6 In Vitro Testing

2.7 Antenna Synthesis

2.8 Safety Aspects

2.9 Conclusions

References

Appendix A. Biot and Savart Law for Quasi-Static

Situation

3 PCB Antennas - Printed Monopoles

3.1 Introduction

3.2 Printed UWB Antenna

3.3 Printed Strip Monopole Antenna

3.4 Conclusions

References

4 RFID Antennas - Folded Dipoles

4.1 Introduction

4.2 Wire Folded Dipole Antenna

4.3 Impedance Control

4.4 Asymmetric Coplanar Strip Folded Dipole Antenna on

a Dielectric Slab

4.5 Folded Dipole Array Antenna

4.6 Conclusions

5 Rectennas - Microstrip Patch Antennas

5.1 Introduction

5.2 Rectenna Design Improvements

5.3 Analytical Models

5.4 Model Verification

5.5 Wireless Battery

5.6 Power and Data Transfer

5.7 RF Energy Scavenging

5.8 Conclusions

6 Large Array Antennas - Open-Ended Rectangular Waveguide

Radiators

6.1 Introduction

6.2 Waveguide Fields

6.3 Unit Cell Fields

6.4 Rectangular Waveguide Cross-Sectional Step

6.5 Rectangular Waveguide Unit Cell Junction

6.6 Dielectric Step in the Unit Cell

6.7 Finite Length Transmission Line

6.8 Overall GSM of a Cascaded Rectangular Waveguide

Structure

6.9 Validation

6.10 Conclusions

References

Appendix A. Waveguide Mode Orthogonality and

Normalisation Functions

Appendix B. Mode Coupling Integrals for Waveguide to

Waveguide Junction

Appendix C. Unit Cell Mode Orthogonality and

Normalisation Functions

Appendix D. Mode Coupling Integrals for Rectangular

Waveguide to Unit Cell