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Anomalies incurred by E³ tests made in the near field [[electronic resource] /] / Joy L. Arthur and Glenn Brown
| Anomalies incurred by E³ tests made in the near field [[electronic resource] /] / Joy L. Arthur and Glenn Brown |
| Autore | Arthur Joy L |
| Pubbl/distr/stampa | [Adelphi, Md.] : , : Army Research Laboratory, , [1999] |
| Descrizione fisica | i, 54 pages : illustrations |
| Altri autori (Persone) | BrownGlenn |
| Collana | ARL-TR |
| Soggetto topico |
Apache (Attack helicopter) - Testing
Electromagnetic waves - Measurement |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910697684703321 |
Arthur Joy L
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| [Adelphi, Md.] : , : Army Research Laboratory, , [1999] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Derivations of relationships among field strength, power in transmitter-receiver circuits and radiation hazard limits [[electronic resource] /] / Frank H. Sanders
| Derivations of relationships among field strength, power in transmitter-receiver circuits and radiation hazard limits [[electronic resource] /] / Frank H. Sanders |
| Autore | Sanders Frank H |
| Pubbl/distr/stampa | [Washington, D.C.] : , : U.S. Dept. of Commerce, National Telecommunications & Information Administration, , [2010] |
| Descrizione fisica | 1 online resource (iv, 19 pages) |
| Collana | NTIA technical memorandum series |
| Soggetto topico |
Electromagnetic fields - Measurement
Electromagnetic fields - Mathematical models Electromagnetic waves - Measurement Electromagnetic waves - Mathematical models |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910699907903321 |
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Sanders Frank H
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| [Washington, D.C.] : , : U.S. Dept. of Commerce, National Telecommunications & Information Administration, , [2010] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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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 |
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Demoulin Bernard
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| London, : ISTE | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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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-9910808680603321 |
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Demoulin Bernard
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| London, : ISTE | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Modern characterization of electromagnetic systems and its associated metrology / / Magdalena Salazar-Palma, Tapan K. Sarkar, Ming Da Zhu
| Modern characterization of electromagnetic systems and its associated metrology / / Magdalena Salazar-Palma, Tapan K. Sarkar, Ming Da Zhu |
| Autore | Salazar-Palma Magdalena |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : John Wiley & Sons, Inc., , [2021] |
| Descrizione fisica | 1 online resource (723 pages) |
| Disciplina | 537.12 |
| Collana | Wiley - IEEE Ser. |
| Soggetto topico | Electromagnetic waves - Measurement |
| ISBN |
1-119-07653-6
1-119-07654-4 1-119-07623-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910555005303321 |
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Salazar-Palma Magdalena
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| Hoboken, New Jersey : , : John Wiley & Sons, Inc., , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Modern characterization of electromagnetic systems and its associated metrology / / Magdalena Salazar-Palma, Tapan K. Sarkar, Ming Da Zhu
| Modern characterization of electromagnetic systems and its associated metrology / / Magdalena Salazar-Palma, Tapan K. Sarkar, Ming Da Zhu |
| Autore | Salazar-Palma Magdalena |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : John Wiley & Sons, Inc., , [2021] |
| Descrizione fisica | 1 online resource (723 pages) |
| Disciplina | 537.12 |
| Collana | Wiley - IEEE |
| Soggetto topico | Electromagnetic waves - Measurement |
| ISBN |
1-119-07653-6
1-119-07654-4 1-119-07623-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Mathamatical Principles related to Modern system Analysis -- Matrix Pencil Method (MPM) -- The Cauchy Method -- Applications of the Hilbert Transform: A Nonparametric method for Interpolation/Extrapolation of data -- The Source Reconstruction Method -- Planar near-field to far-field transformation using a single moving probe and a fixed probe arrays -- Spherical Near-field to Far-field transformation -- Deconvolving Measured Electromagnetic Responses -- Performance of Different Functionals for Interpolation /Extrapolation of Near/Far Field Data -- Retrieval of free space radiation patterns from measured data in a non-anechoic environment. |
| Record Nr. | UNINA-9910830151203321 |
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Salazar-Palma Magdalena
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| Hoboken, New Jersey : , : John Wiley & Sons, Inc., , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Rapid evaluation of mode-stirred chambers using impulsive waveforms / / John M. Ladbury, Robert T. Johnk, Arthur R. Ondrejka
| Rapid evaluation of mode-stirred chambers using impulsive waveforms / / John M. Ladbury, Robert T. Johnk, Arthur R. Ondrejka |
| Autore | Ladbury John M |
| Pubbl/distr/stampa | Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 1996 |
| Descrizione fisica | 1 online resource |
| Altri autori (Persone) |
JohnkRobert T
LadburyJohn M OndrejkaArthur R |
| Collana | NIST technical note |
| Soggetto topico | Electromagnetic waves - Measurement |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711208203321 |
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Ladbury John M
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| Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 1996 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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