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Theory and practice of modern antenna range measurements /
This volume provides a comprehensive introduction and explanation of both the theory and practice of all forms of modern antenna measurements, electromagnetic theory, antenna coupling, compact range measurements, near-field antenna measurements, mobile and body-centric antenna measurements.
| Clasificación: | Libro Electrónico |
|---|---|
| Autores principales: | , , , |
| Autor Corporativo: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
London :
The Institution of Engineering and Technology,
2014.
|
| Colección: | IET electromagnetic waves series ;
55. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Preface; Author biographies; List of abbreviations; 1. Introduction; 1.1. The phenomena of antenna coupling; 1.2. Characterisation via a measurement process; 1.3. Measurable properties of antennas; 1.4. The content of this text; References; 2. EM theory and the mechanism behind antenna coupling; 2.1. Maxwell's classical electromagnetic field theory; 2.2. Electric charge and EM fields; 2.3. Power flux in an EM field; 2.4. Maxwell's equations; 2.5. The electric and magnetic potentials; 2.6. The inapplicability of source excitation as a measurement methodology
- 2.7. Field equivalence principle2.8. Characterising vector electromagnetic fields; 2.9. Reflection and scattering of electromagnetic fields by extended objects; 2.10. Antenna port definition; 2.11. Summary; References; 3. Antenna measurements; 3.1. Antenna measurements and alignment; 3.2. Rotation methodologies; 3.3. Far-field ranges; 3.4. Free-space conditions; 3.5. Alternatives to far-field ranges; 3.6. Indirect measurements; 3.7. Other geometries for scanning measurements; 3.8. Attributes common to all near-field measurement techniques; 3.9. Summary; References
- 4. Compact range measurements4.1. Introduction; 4.2. Collimation of electromagnetic fields; 4.3. Types of ranges and their design issues; 4.4. Quiet zones and performance evaluation; 4.5. Radiation pattern and power parameter measurement; 4.6. Radar cross-section measurements; References; 5. Planar near-field antenna measurements; 5.1. Introduction; 5.2. Near-field measurement facility; 5.3. Limitations in the accuracy of the near-field measurement data; 5.4. Solution of Maxwell's equations in Cartesian coordinates; 5.5. Probe pattern compensation
- 5.6. Plane-polar near-field antenna measurements5.7. Summary; References; 6. Cylindrical near-field antenna measurements; 6.1. Introduction; 6.2. Solution of Maxwell's equation in cylindrical coordinates; 6.3. Solution of the scalar wave equation in cylindrical coordinates; 6.4. Construction of vector fields; 6.5. Derivation of cylindrical mode coefficients from cylindricalnear-field data; 6.6. Derivation of asymptotic far-field parameters fromcylindrical mode coefficients; 6.7. Development of the transmission formula; 6.8. Sampling requirements for cylindrical near-field measurements
- 6.9. Implementation of cylindrical near-field to far-field transformation6.10. Conical near-field antenna measurements; 6.11. Summary; References; 7. Spherical near-field antenna measurements; 7.1. Introduction; 7.2. Types of SNF ranges; 7.3. A Solution to Maxwell's equations in spherical coordinates; 7.4. Relating spherical mode coefficients to spherical near-field data; 7.5. Sampling requirements and spherical mode truncation; 7.6. Development of the transmission formula; 7.7. Near-field probe correction; 7.8. Far-field expressions; 7.9. Practical acquisition schemes and examples