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Smart miniaturized wideband/multiband and reconfigurable antenna for modern applications /
"A telecommunications technology is continuously progressing. Its main areas of investigation are, for the most part, motivated by an increasing requirement in terms of data, but are more and more restricted by a hard spectrum of frequencies. Reconfigurable antennas, as well as ultra broadband/...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Hauppauge, NY :
Nova Science Publishers, Incorporated,
2018.
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| Colección: | Electronics and telecommunications research.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Intro; Contents; Preface; Chapter 1; Review of Basic Properties and Principles of Patch Antenna; Abstract; 1. Introduction; 2. Microstrip Patch Antenna Basic Characteristics; 2.1. Frequency Bandwidth; 2.2. Impedance Bandwidth; 2.3. Reflection Coefficient (Return Loss); 2.4. Antenna Efficiency; 2.5. Isotropically Radiated Effective Power; 2.6. Radiation Pattern; 2.6.1. Isotropic; 2.6.2. Directional; 2.6.3. Omnidirectional; 2.7. Directivity; 2.8. Gain; 2.9. Polarization; 3. A Review of Popular Feeding Techniques; 3.1. Feeding by Microstrip Line; 3.2. Feeding by Coaxial Probe
- 3.3. Feeding by Electromagnetic Coupling3.4. Aperture Coupled Fed Patch Antenna; 3.5. Feeding by Coplanar Waveguide (CPW); 4. Methods of Analysis; 4.1. Analytical Methods; 4.1.1. Model of Transmission Line; 4.1.2. Cavity Model; 4.2. Rigorous Methods; 4.2.1. Finite Element Method (FEM); 4.2.2. Finite Difference Method (FDTD); 4.2.3. The Method of Moments (MoM); Conclusion; References; Chapter 2; Patch Antenna Miniaturization Techniques; Abstract; 1. Introduction; 2. Miniaturization Techniques for Patch Antennas; 2.1. The Substrate; 2.2. Change on the Ground Plane
- 2.3. Use of Micro/Electronic Components2.4. Insertion of Short Circuits between Radiating Elements and Ground Plane (Shorting and Folding); 2.5. Antenna/Line Transition; 2.6. Reshaping a Patch; 2.7. Introducing Slots and Notches; 2.8. Optimization of the Current Path; 2.9. Use of Discrete Load; 2.10. 3D-2D Equivalence; 2.11. The Perimeter; 2.12. Substrate Integrated Waveguide (SIW); Conclusion; References; Chapter 3; General Background on Ultra Wide Band Technology; Abstract; 1. Introduction; 2. History of UWB Technology; 3. UWB Definition; 4. Techniques for Widening the Bandwidth
- 5. Advantages and Disadvantages of the UWB6. Different Types of Applications of the UWB; 7. UWB Patch Antenna Design Examples; 7.1. Bowtie Antenna; 7.1.1. The Influence of the Escape Angle α; 7.1.2. The Influence of the Triangle Height; 7.2. Antenna with Two Perpendicular Patches by Bowtie Forms; Conclusion; References; Chapter 4; Antenna Polarization Techniques; Abstract; 1. Introduction; 2. Antenna Polarization; 3. Linear Polarization; 4. Circularly Polarized Antennas; 5. Principal Electrical Characteristics; 6. Generating Circular Polarization; 6.1. Electromagnetic Band Gap Material
- 6.2. Anisotropic Material6.3. Antenna on Ferrite Substrate; 6.4. Progressive Wave Antenna; 6.5. Slotted Waveguide; 6.6. Generation of the Circular Polarization by the Type of Excitation; 6.7. Antenna with Geometric Deformation; 6.8. Sequential Networks; 7. Compact Square Patch Antenna with Notches; Conclusion; References; Chapter 5; Analysis and Design Techniques to Miniaturize and Increase Bandwidth Using Circuit Theory; Abstract; 1. Introduction; 2. Proposed Techniques to Increase the Bandwidth; 3. The First Technique (Changing the Geometry of the Patch)