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Electromagnetic reverberation chambers [[electronic resource] /] / Bernard Démoulin, Philippe Besnier
| Electromagnetic reverberation chambers [[electronic resource] /] / Bernard Démoulin, Philippe Besnier |
| Autore | Demoulin Bernard |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | London, : ISTE |
| Descrizione fisica | 1 online resource (433 p.) |
| Disciplina | 621.3 |
| Altri autori (Persone) | BesnierPhilippe |
| Collana | ISTE |
| Soggetto topico |
Electromagnetic waves - Measurement
Wave guides |
| ISBN |
1-118-60203-X
1-118-60215-3 1-118-60197-1 1-299-18767-6 |
| Classificazione | SCI022000 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Title Page; Copyright Page; Tabel of Contents; Preface; Foreword; Introduction; Chapter 1. Position of the Reverberation Chambers in Common Electromagnetic Tests; 1.1. Introduction; 1.2. Electromagnetic fields and plane waves; 1.2.1. Definition and properties of plane waves; 1.2.2. General plane wave representation; 1.2.3. Assimilation of the far-field to a local plane wave; 1.2.4. Induction phenomena produced by plane waves; 1.3. Electromagnetic tests in confined areas; 1.3.1. Emission of a small rectangular loop; 1.3.2. Tests carried out in a TEM cell
1.3.3. Measurements carried out in an anechoic shielded chamber1.3.4. Position of the reverberation chambers in tests carried out in a confined space; 1.4. Discussion; 1.4.1. On the use of the plane wave concepts; 1.4.2. On the uncertainty margin of the measurements carried out in a reverberation chamber; 1.5. Bibliography; Chapter 2. Main Physical Features of Electromagnetic Cavities; 2.1. Introduction; 2.2. Reduction of the modes in a 1D cavity; 2.2.1. Description of the 1D cavity; 2.2.2. Solutions of the 1D waves equation; 2.2.3. Eigenmodes computation 2.2.4. Comparison of a cavity to a network of LC resonators2.2.5. Contribution of the quality factor to the cavity; 2.2.6. Optimal coupling of the energy on an eigenmode; 2.2.7. Deviation of the modal frequencies produced by an obstacle; 2.2.8. Implementation of mode stirring; 2.3. Physical features of an empty rectangular cavity; 2.3.1. Geometrical description of the reverberation chamber; 2.3.2. Calculation of the eigenmodes' frequencies; 2.3.3. The first eigenmode; 2.3.4. Higher order modes; 2.3.5. Mode spacing and mode density; 2.3.6. Quality factor of the 3D cavity 2.3.7. Regarding the excitation conditions of the cavity2.3.8. Plane wave spectrum; 2.3.9. Influence of the energy losses on the plane wave spectrum; 2.4. The 3D cavity operating in stirred modes; 2.4.1. Role given to mode stirring; 2.4.2. Mechanical mode stirring; 2.4.3. Experimental proof of the modal excursion; 2.5. Discussion; 2.5.1. On the geometry of reverberation chambers; 2.5.2. On the use of the RLC resonators; 2.5.3. On the contribution of the modal interferences; 2.6. Bibliography; Chapter 3. Statistical Behavior of Stirred Waves in an Oversized Cavity; 3.1. Introduction 3.2. Descriptions of the ideal random electromagnetic field3.2.1. The electromagnetic field assumed as a random variable; 3.2.2. Statement of the postulate of an ideal random field; 3.2.3. Presentation conventions of the random variables; 3.2.4. χ2 probability distribution; 3.2.5. Probability density function of the absolute field amplitude; 3.2.6. Probability density function of the power variable; 3.3. Simulation of the properties of an ideal random field; 3.3.1. Construction of the plane wave spectrum; 3.3.2. Construction of the interferences by random trials 3.3.3. Use of the central limit theorem |
| Record Nr. | UNINA-9910138865103321 |
Demoulin Bernard
|
||
| London, : ISTE | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Electromagnetic reverberation chambers [[electronic resource] /] / Bernard Démoulin, Philippe Besnier
| Electromagnetic reverberation chambers [[electronic resource] /] / Bernard Démoulin, Philippe Besnier |
| Autore | Demoulin Bernard |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | London, : ISTE |
| Descrizione fisica | 1 online resource (433 p.) |
| Disciplina | 621.3 |
| Altri autori (Persone) | BesnierPhilippe |
| Collana | ISTE |
| Soggetto topico |
Electromagnetic waves - Measurement
Wave guides |
| ISBN |
1-118-60203-X
1-118-60215-3 1-118-60197-1 1-299-18767-6 |
| Classificazione | SCI022000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Title Page; Copyright Page; Tabel of Contents; Preface; Foreword; Introduction; Chapter 1. Position of the Reverberation Chambers in Common Electromagnetic Tests; 1.1. Introduction; 1.2. Electromagnetic fields and plane waves; 1.2.1. Definition and properties of plane waves; 1.2.2. General plane wave representation; 1.2.3. Assimilation of the far-field to a local plane wave; 1.2.4. Induction phenomena produced by plane waves; 1.3. Electromagnetic tests in confined areas; 1.3.1. Emission of a small rectangular loop; 1.3.2. Tests carried out in a TEM cell
1.3.3. Measurements carried out in an anechoic shielded chamber1.3.4. Position of the reverberation chambers in tests carried out in a confined space; 1.4. Discussion; 1.4.1. On the use of the plane wave concepts; 1.4.2. On the uncertainty margin of the measurements carried out in a reverberation chamber; 1.5. Bibliography; Chapter 2. Main Physical Features of Electromagnetic Cavities; 2.1. Introduction; 2.2. Reduction of the modes in a 1D cavity; 2.2.1. Description of the 1D cavity; 2.2.2. Solutions of the 1D waves equation; 2.2.3. Eigenmodes computation 2.2.4. Comparison of a cavity to a network of LC resonators2.2.5. Contribution of the quality factor to the cavity; 2.2.6. Optimal coupling of the energy on an eigenmode; 2.2.7. Deviation of the modal frequencies produced by an obstacle; 2.2.8. Implementation of mode stirring; 2.3. Physical features of an empty rectangular cavity; 2.3.1. Geometrical description of the reverberation chamber; 2.3.2. Calculation of the eigenmodes' frequencies; 2.3.3. The first eigenmode; 2.3.4. Higher order modes; 2.3.5. Mode spacing and mode density; 2.3.6. Quality factor of the 3D cavity 2.3.7. Regarding the excitation conditions of the cavity2.3.8. Plane wave spectrum; 2.3.9. Influence of the energy losses on the plane wave spectrum; 2.4. The 3D cavity operating in stirred modes; 2.4.1. Role given to mode stirring; 2.4.2. Mechanical mode stirring; 2.4.3. Experimental proof of the modal excursion; 2.5. Discussion; 2.5.1. On the geometry of reverberation chambers; 2.5.2. On the use of the RLC resonators; 2.5.3. On the contribution of the modal interferences; 2.6. Bibliography; Chapter 3. Statistical Behavior of Stirred Waves in an Oversized Cavity; 3.1. Introduction 3.2. Descriptions of the ideal random electromagnetic field3.2.1. The electromagnetic field assumed as a random variable; 3.2.2. Statement of the postulate of an ideal random field; 3.2.3. Presentation conventions of the random variables; 3.2.4. χ2 probability distribution; 3.2.5. Probability density function of the absolute field amplitude; 3.2.6. Probability density function of the power variable; 3.3. Simulation of the properties of an ideal random field; 3.3.1. Construction of the plane wave spectrum; 3.3.2. Construction of the interferences by random trials 3.3.3. Use of the central limit theorem |
| Record Nr. | UNINA-9910808680603321 |
|
Demoulin Bernard
|
||
| London, : ISTE | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||