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The first book of its kind, Electromagnetic Fields in Cavities presents a unique combination of rigorous solutions to Maxwell's equations with conservation of energy to solve for the statistics of many quantities of interest: penetration into cavities (and shielding effectiveness), field strengths far from and close to cavity walls, and power received by antennas within cavities. Including all modes, rather than just the dominant mode, as well as wall losses and a special treatment of the current source region, the book is a valuable tool for researchers, practicing engineers, professors, and graduate students.…mehr
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The first book of its kind, Electromagnetic Fields in Cavities presents a unique combination of rigorous solutions to Maxwell's equations with conservation of energy to solve for the statistics of many quantities of interest: penetration into cavities (and shielding effectiveness), field strengths far from and close to cavity walls, and power received by antennas within cavities. Including all modes, rather than just the dominant mode, as well as wall losses and a special treatment of the current source region, the book is a valuable tool for researchers, practicing engineers, professors, and graduate students.
Produktdetails
- Produktdetails
- Verlag: John Wiley & Sons / Wiley
- Seitenzahl: 296
- Erscheinungstermin: 1. Oktober 2009
- Englisch
- Abmessung: 240mm x 161mm x 21mm
- Gewicht: 613g
- ISBN-13: 9780470465905
- ISBN-10: 0470465905
- Artikelnr.: 26487740
- Verlag: John Wiley & Sons / Wiley
- Seitenzahl: 296
- Erscheinungstermin: 1. Oktober 2009
- Englisch
- Abmessung: 240mm x 161mm x 21mm
- Gewicht: 613g
- ISBN-13: 9780470465905
- ISBN-10: 0470465905
- Artikelnr.: 26487740
Amber Hill, an educator and award winning author, spent 22 years inspiring and encouraging youth to recognize their inherent greatness. When young people see greatness in themselves, they shine brightly and soar in our world. Through her company, Epiphany Hill Enterprises LLC, she has become a prominent vendor in various communities, ensuring young learners have access to diverse children's literature and exposing them to early learning skills. Not only will the books support bridging the gaps in early learning, but they will also build self-esteem and foster the joy of reading for our youngest learners, in particular children of color. Black positive images matter because they shape attitudes and beliefs toward people of color. Having more positive images available will begin to change how the world views people of color and how children of color view themselves. Amber is also a Wife, a Mother of four amazing young men, a Foster Mom to many, a Coach, and a Mentor. She holds a B.S. in Early Childhood/K-3 Education from Wright State University. A M.S.E. in Marriage and Family Counseling from the University of Dayton and is currently a doctoral student in Educational Leadership and Management at
PREFACE. PART I. DETERMINISTIC THEORY. 1. Introduction. 1.1 Maxwell's
Equations. 1.2 Empty Cavity Modes. 1.3 Wall Losses. 1.4 Cavity Excitation.
1.5 Perturbation Theories. Problems. 2. Rectangular Cavity. 2.1 Resonant
Modes. 2.2 Wall Losses and Cavity Q. 2.3 Dyadic Green's Functions.
Problems. 3. Circular Cylindrical Cavity. 3.1 Resonant Modes. 3.2 Wall
Losses and Cavity Q. 3.3 Dyadic Green's Functions. Problems. 4. Spherical
Cavity. 4.1 Resonant Modes. 4.2 Wall Losses and Cavity Q. 4.3 Dyadic
Green's Functions. 4.4 Schumann Resonances in the Earth-Ionosphere Cavity.
Problems. PART II. STATISTICAL THEORIES FOR ELECTRICALLY LARGE CAVITIES. 5.
Motivation for Statistical Approaches. 5.1 Lack of Detailed Information.
5.2 Sensitivity of Fields to Cavity Geometry and Excitation. 5.3
Interpretation of Results. Problems. 6. Probability Fundamentals. 6.1
Introduction. 6.2 Probability Density Function. 6.3 Common Probability
Density Functions. 6.4 Cumulative Distribution Function. 6.5 Methods for
Determining Probability Density Functions. Problems. 7. Reverberation
Chambers. 7.1 Plane-Wave Integral Representation of Fields. 7.2 Ideal
Statistical Properties of Electric and Magnetic Fields. 7.3 Probability
Density Functions for the Fields. 7.4 Spatial Correlation Functions of
Fields and Energy Density. 7.5 Antenna or Test-Object Response. 7.6 Loss
Mechanisms and Chamber Q. 7.7 Reciprocity and Radiated Emissions. 7.8
Boundary Fields. 7.9 Enhanced Backscatter at the Transmitting Antenna.
Problems. 8. Aperture Excitation of Electrically Large, Lossy Cavities. 8.1
Aperture Excitation. 8.2 Power Balance. 8.3 Experimental Results for SE.
Problems. 9. Extensions to the Uniform-Field Model. 9.1 Frequency Stirring.
9.2 Unstirred Energy. 9.3 Alternative Probability Density Function.
Problems. 10. Further Applications of Reverberation Chambers. 10.1 Nested
Chambers for Shielding Effectiveness Measurements. 10.2 Evaluation of
Shielded Enclosures. 10.3 Measurement of Antenna Efficiency. 10.4
Measurement of Absorption Cross Section. Problems. 11. Indoor Wireless
Propagation. 11.1 General Considerations. 11.2 Path Loss Models. 11.3
Temporal Characteristics. 11.4 Angle of Arrival. 11.5 Reverberation Chamber
Simulation. Problems. APPENDIX A. VECTOR ANALYSIS. APPENDIX B. ASSOCIATED
LEGENDRE FUNCTIONS. APPENDIX C. SPHERICAL BESSEL FUNCTIONS. APPENDIX D. THE
ROLE OF CHAOS IN CAVITY FIELDS. APPENDIX E. SHORT ELECTRIC DIPOLE RESPONSE.
APPENDIX F. SMALL LOOP ANTENNA RESPONSE. APPENDIX G. RAY THEORY FOR CHAMBER
ANALYSIS. APPENDIX H. ABSORPTION BY A HOMOGENEOUS SPHERE. APPENDIX I.
TRANSMISSION CROSS SECTION OF A SMALL CIRCULAR APERTURE. APPENDIX J.
SCALING. REFERENCES. INDEX.
Equations. 1.2 Empty Cavity Modes. 1.3 Wall Losses. 1.4 Cavity Excitation.
1.5 Perturbation Theories. Problems. 2. Rectangular Cavity. 2.1 Resonant
Modes. 2.2 Wall Losses and Cavity Q. 2.3 Dyadic Green's Functions.
Problems. 3. Circular Cylindrical Cavity. 3.1 Resonant Modes. 3.2 Wall
Losses and Cavity Q. 3.3 Dyadic Green's Functions. Problems. 4. Spherical
Cavity. 4.1 Resonant Modes. 4.2 Wall Losses and Cavity Q. 4.3 Dyadic
Green's Functions. 4.4 Schumann Resonances in the Earth-Ionosphere Cavity.
Problems. PART II. STATISTICAL THEORIES FOR ELECTRICALLY LARGE CAVITIES. 5.
Motivation for Statistical Approaches. 5.1 Lack of Detailed Information.
5.2 Sensitivity of Fields to Cavity Geometry and Excitation. 5.3
Interpretation of Results. Problems. 6. Probability Fundamentals. 6.1
Introduction. 6.2 Probability Density Function. 6.3 Common Probability
Density Functions. 6.4 Cumulative Distribution Function. 6.5 Methods for
Determining Probability Density Functions. Problems. 7. Reverberation
Chambers. 7.1 Plane-Wave Integral Representation of Fields. 7.2 Ideal
Statistical Properties of Electric and Magnetic Fields. 7.3 Probability
Density Functions for the Fields. 7.4 Spatial Correlation Functions of
Fields and Energy Density. 7.5 Antenna or Test-Object Response. 7.6 Loss
Mechanisms and Chamber Q. 7.7 Reciprocity and Radiated Emissions. 7.8
Boundary Fields. 7.9 Enhanced Backscatter at the Transmitting Antenna.
Problems. 8. Aperture Excitation of Electrically Large, Lossy Cavities. 8.1
Aperture Excitation. 8.2 Power Balance. 8.3 Experimental Results for SE.
Problems. 9. Extensions to the Uniform-Field Model. 9.1 Frequency Stirring.
9.2 Unstirred Energy. 9.3 Alternative Probability Density Function.
Problems. 10. Further Applications of Reverberation Chambers. 10.1 Nested
Chambers for Shielding Effectiveness Measurements. 10.2 Evaluation of
Shielded Enclosures. 10.3 Measurement of Antenna Efficiency. 10.4
Measurement of Absorption Cross Section. Problems. 11. Indoor Wireless
Propagation. 11.1 General Considerations. 11.2 Path Loss Models. 11.3
Temporal Characteristics. 11.4 Angle of Arrival. 11.5 Reverberation Chamber
Simulation. Problems. APPENDIX A. VECTOR ANALYSIS. APPENDIX B. ASSOCIATED
LEGENDRE FUNCTIONS. APPENDIX C. SPHERICAL BESSEL FUNCTIONS. APPENDIX D. THE
ROLE OF CHAOS IN CAVITY FIELDS. APPENDIX E. SHORT ELECTRIC DIPOLE RESPONSE.
APPENDIX F. SMALL LOOP ANTENNA RESPONSE. APPENDIX G. RAY THEORY FOR CHAMBER
ANALYSIS. APPENDIX H. ABSORPTION BY A HOMOGENEOUS SPHERE. APPENDIX I.
TRANSMISSION CROSS SECTION OF A SMALL CIRCULAR APERTURE. APPENDIX J.
SCALING. REFERENCES. INDEX.
PREFACE. PART I. DETERMINISTIC THEORY. 1. Introduction. 1.1 Maxwell's
Equations. 1.2 Empty Cavity Modes. 1.3 Wall Losses. 1.4 Cavity Excitation.
1.5 Perturbation Theories. Problems. 2. Rectangular Cavity. 2.1 Resonant
Modes. 2.2 Wall Losses and Cavity Q. 2.3 Dyadic Green's Functions.
Problems. 3. Circular Cylindrical Cavity. 3.1 Resonant Modes. 3.2 Wall
Losses and Cavity Q. 3.3 Dyadic Green's Functions. Problems. 4. Spherical
Cavity. 4.1 Resonant Modes. 4.2 Wall Losses and Cavity Q. 4.3 Dyadic
Green's Functions. 4.4 Schumann Resonances in the Earth-Ionosphere Cavity.
Problems. PART II. STATISTICAL THEORIES FOR ELECTRICALLY LARGE CAVITIES. 5.
Motivation for Statistical Approaches. 5.1 Lack of Detailed Information.
5.2 Sensitivity of Fields to Cavity Geometry and Excitation. 5.3
Interpretation of Results. Problems. 6. Probability Fundamentals. 6.1
Introduction. 6.2 Probability Density Function. 6.3 Common Probability
Density Functions. 6.4 Cumulative Distribution Function. 6.5 Methods for
Determining Probability Density Functions. Problems. 7. Reverberation
Chambers. 7.1 Plane-Wave Integral Representation of Fields. 7.2 Ideal
Statistical Properties of Electric and Magnetic Fields. 7.3 Probability
Density Functions for the Fields. 7.4 Spatial Correlation Functions of
Fields and Energy Density. 7.5 Antenna or Test-Object Response. 7.6 Loss
Mechanisms and Chamber Q. 7.7 Reciprocity and Radiated Emissions. 7.8
Boundary Fields. 7.9 Enhanced Backscatter at the Transmitting Antenna.
Problems. 8. Aperture Excitation of Electrically Large, Lossy Cavities. 8.1
Aperture Excitation. 8.2 Power Balance. 8.3 Experimental Results for SE.
Problems. 9. Extensions to the Uniform-Field Model. 9.1 Frequency Stirring.
9.2 Unstirred Energy. 9.3 Alternative Probability Density Function.
Problems. 10. Further Applications of Reverberation Chambers. 10.1 Nested
Chambers for Shielding Effectiveness Measurements. 10.2 Evaluation of
Shielded Enclosures. 10.3 Measurement of Antenna Efficiency. 10.4
Measurement of Absorption Cross Section. Problems. 11. Indoor Wireless
Propagation. 11.1 General Considerations. 11.2 Path Loss Models. 11.3
Temporal Characteristics. 11.4 Angle of Arrival. 11.5 Reverberation Chamber
Simulation. Problems. APPENDIX A. VECTOR ANALYSIS. APPENDIX B. ASSOCIATED
LEGENDRE FUNCTIONS. APPENDIX C. SPHERICAL BESSEL FUNCTIONS. APPENDIX D. THE
ROLE OF CHAOS IN CAVITY FIELDS. APPENDIX E. SHORT ELECTRIC DIPOLE RESPONSE.
APPENDIX F. SMALL LOOP ANTENNA RESPONSE. APPENDIX G. RAY THEORY FOR CHAMBER
ANALYSIS. APPENDIX H. ABSORPTION BY A HOMOGENEOUS SPHERE. APPENDIX I.
TRANSMISSION CROSS SECTION OF A SMALL CIRCULAR APERTURE. APPENDIX J.
SCALING. REFERENCES. INDEX.
Equations. 1.2 Empty Cavity Modes. 1.3 Wall Losses. 1.4 Cavity Excitation.
1.5 Perturbation Theories. Problems. 2. Rectangular Cavity. 2.1 Resonant
Modes. 2.2 Wall Losses and Cavity Q. 2.3 Dyadic Green's Functions.
Problems. 3. Circular Cylindrical Cavity. 3.1 Resonant Modes. 3.2 Wall
Losses and Cavity Q. 3.3 Dyadic Green's Functions. Problems. 4. Spherical
Cavity. 4.1 Resonant Modes. 4.2 Wall Losses and Cavity Q. 4.3 Dyadic
Green's Functions. 4.4 Schumann Resonances in the Earth-Ionosphere Cavity.
Problems. PART II. STATISTICAL THEORIES FOR ELECTRICALLY LARGE CAVITIES. 5.
Motivation for Statistical Approaches. 5.1 Lack of Detailed Information.
5.2 Sensitivity of Fields to Cavity Geometry and Excitation. 5.3
Interpretation of Results. Problems. 6. Probability Fundamentals. 6.1
Introduction. 6.2 Probability Density Function. 6.3 Common Probability
Density Functions. 6.4 Cumulative Distribution Function. 6.5 Methods for
Determining Probability Density Functions. Problems. 7. Reverberation
Chambers. 7.1 Plane-Wave Integral Representation of Fields. 7.2 Ideal
Statistical Properties of Electric and Magnetic Fields. 7.3 Probability
Density Functions for the Fields. 7.4 Spatial Correlation Functions of
Fields and Energy Density. 7.5 Antenna or Test-Object Response. 7.6 Loss
Mechanisms and Chamber Q. 7.7 Reciprocity and Radiated Emissions. 7.8
Boundary Fields. 7.9 Enhanced Backscatter at the Transmitting Antenna.
Problems. 8. Aperture Excitation of Electrically Large, Lossy Cavities. 8.1
Aperture Excitation. 8.2 Power Balance. 8.3 Experimental Results for SE.
Problems. 9. Extensions to the Uniform-Field Model. 9.1 Frequency Stirring.
9.2 Unstirred Energy. 9.3 Alternative Probability Density Function.
Problems. 10. Further Applications of Reverberation Chambers. 10.1 Nested
Chambers for Shielding Effectiveness Measurements. 10.2 Evaluation of
Shielded Enclosures. 10.3 Measurement of Antenna Efficiency. 10.4
Measurement of Absorption Cross Section. Problems. 11. Indoor Wireless
Propagation. 11.1 General Considerations. 11.2 Path Loss Models. 11.3
Temporal Characteristics. 11.4 Angle of Arrival. 11.5 Reverberation Chamber
Simulation. Problems. APPENDIX A. VECTOR ANALYSIS. APPENDIX B. ASSOCIATED
LEGENDRE FUNCTIONS. APPENDIX C. SPHERICAL BESSEL FUNCTIONS. APPENDIX D. THE
ROLE OF CHAOS IN CAVITY FIELDS. APPENDIX E. SHORT ELECTRIC DIPOLE RESPONSE.
APPENDIX F. SMALL LOOP ANTENNA RESPONSE. APPENDIX G. RAY THEORY FOR CHAMBER
ANALYSIS. APPENDIX H. ABSORPTION BY A HOMOGENEOUS SPHERE. APPENDIX I.
TRANSMISSION CROSS SECTION OF A SMALL CIRCULAR APERTURE. APPENDIX J.
SCALING. REFERENCES. INDEX.