Circularly polarized antennas
This book addresses a broad range of topics on circularly polarized antennas including design techniques for different types of CP antennas (small-size CP antennas, broadband CP antennas, multi-band CP antennas and CP arrays) and antenna technologies (microstrip antennas, helix, quadrifilar helix an...
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| Otros Autores: | , |
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Chichester, West Sussex, United Kingdom :
John Wiley & Sons Inc
2014.
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| Colección: | Wiley ebooks.
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| Acceso en línea: | Conectar con la versión electrónica |
| Ver en Universidad de Navarra: | https://innopac.unav.es/record=b46119346*spi |
Tabla de Contenidos:
- Cover; Title Page; Copyright; Contents; Preface; Acknowledgements; Abbreviations and Acronyms; Chapter 1 Introduction to Circularly Polarized Antennas; 1.1 Introduction; 1.2 Antenna Parameters; 1.2.1 Input Impedance; 1.2.2 Reflection Coefficient, Return Loss and Voltage Standing Wave Ratio; 1.2.3 Radiation Patterns; 1.2.4 Directivity, Gain and Efficiency; 1.2.5 Linear Polarization, Circular Polarization and Axial Ratio; 1.2.6 Bandwidth and Resonant Frequency; 1.3 Basic CP Antenna Types; 1.3.1 CP Microstrip Patch Antennas; 1.3.2 CP Wire Antennas; 1.3.3 Helix Antennas.
- 1.3.4 Quadrifilar Helix Antennas and Printed Quadrifilar Helix Antennas1.3.5 Spiral Antennas; 1.3.6 CP Dielectric Resonator Antennas; 1.3.7 CP Slot Antennas; 1.3.8 CP Horn Antennas; 1.3.9 CP Arrays; 1.4 Antenna Modelling Techniques; 1.4.1 Analytical Methods; 1.4.2 Full-Wave Methods; 1.5 Typical Requirements and Challenges in CP Antenna Designs; 1.6 Summary; References; Chapter 2 Small Circularly Polarized Antenna; 2.1 Introduction; 2.2 Basic Theory of Antenna Size Reduction; 2.3 Small CP Patch Antennas; 2.3.1 Modified Shapes of Patch; 2.3.2 Slot Loading.
- 2.3.3 High Permittivity Dielectric Material2.3.4 Shorting Pins; 2.3.5 Metamaterial; 2.3.6 Multi-Feed; 2.3.7 Other Small CP Patch Antennas; 2.4 Small Helix, QHAs and PQHAs; 2.4.1 Small Helix Antennas; 2.4.2 Small QHAs and PQHAs; 2.5 Small CP Slot Antennas; 2.5.1 Shapes of Slot; 2.5.2 Monopole Slot Antennas; 2.5.3 CPW Feed; 2.6 Small CP DRAs; 2.6.1 Different Shapes; 2.6.2 High Permittivity Dielectric Material; 2.7 Other Small CP Antennas; 2.7.1 CP Double-Folded ILAs; 2.7.2 Compact Printed Dipole Antennas; 2.7.3 Small Multi-Feed CP DRA Antennas; 2.8 Summary; References.
- Chapter 3 Broadband Circularly Polarized Antennas3.1 Introduction; 3.2 Broadband CP Microstrip Patch Antennas; 3.2.1 Broadband Single-Feed CP Patch Antennas; 3.2.2 Broadband Multi-Feed CP Patch Antennas; 3.2.3 Other Broadband CP Patch Antennas; 3.3 Broadband Helix, QHAs and PQHAs; 3.3.1 Broadband Helix Antennas; 3.3.2 Broadband PQHAs; 3.4 Spiral Antennas; 3.5 Broadband CP Slot Antennas; 3.5.1 Ring Slot with a Broadband Coupler; 3.5.2 Circular/Square Slot with an L-Shaped Feed; 3.5.3 Grounded Strip; 3.5.4 Shorted Ring Slot; 3.5.5 Wide Slot with a Loading Patch.
- 3.5.6 Other Broadband CP Slot Antennas3.6 Broadband CP DRAs; 3.6.1 Single-Feed Stacked DRAs; 3.6.2 Single-Feed Notched DRAs; 3.6.3 Multi-Feed DRAs with a Coupler; 3.6.4 Multi-Mode DRAs; 3.6.5 Other Broadband CP DRAs; 3.7 Broadband CP Loop Antennas; 3.7.1 Parasitic Loop; 3.7.2 Dual Loops in Series or Parallel; 3.7.3 Dual Rhombic Loops with Parasitic Loops; 3.8 Other Broadband CP Antennas; 3.8.1 CP Antennas with Artificial Magnetic Conductors; 3.8.2 Active CP Antennas; 3.8.3 CP Antennas for 60-GHz Wireless Communications; 3.8.4 CP Antennas with Reconfigurable Polarizations; 3.9 Summary.
