Electromagnetic fields in cavities: deterministic and statistical theories
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| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Piscataway, NJ
IEEE Press
2009
Hoboken, NJ Wiley |
| Series: | IEEE Press series on elecromagnetic wave theory
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XIV, 280 S. Ill., graph. Darst. |
| ISBN: | 9780470465905 |
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MARC
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| 100 | 1 | |a Hill, David A. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Electromagnetic fields in cavities |b deterministic and statistical theories |c David A. Hill |
| 264 | 1 | |a Piscataway, NJ |b IEEE Press |c 2009 | |
| 264 | 1 | |a Hoboken, NJ |b Wiley | |
| 300 | |a XIV, 280 S. |b Ill., graph. Darst. | ||
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| 490 | 0 | |a IEEE Press series on elecromagnetic wave theory | |
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Record in the Search Index
| _version_ | 1804140751662088193 |
|---|---|
| adam_text | CONTENTS
PREFACE
xi
PART I. DETERMINISTIC THEORY
1
1.
Introduction
3
1.1
Maxwell s Equations
3
1.2
Empty Cavity Modes
5
1.3
Wall Losses
8
1.4
Cavity Excitation
12
1.5
Perturbation Theories
16
1.5.1
Small-Sample Perturbation of a Cavity
16
1.5.2
Small Deformation of Cavity Wall
20
Problems
23
2.
Rectangular Cavity
25
2.1
Resonant Modes
25
2.2
Wall Losses and Cavity
Q
31
2.3
Dyadic Green s Functions
33
2.3.1
Fields in the Source-Free Region
36
2.3.2
Fields in the Source Region
37
Problems
38
3.
Circular Cylindrical Cavity
41
3.1
Resonant Modes
41
3.2
Wall Losses and Cavity
Q
47
3.3
Dyadic Green s Functions
49
3.3.1
Fields in the Source-Free Region
51
3.3.2
Fields in the Source Region
52
Problems
52
4.
Spherical Cavity
55
4.1
Resonant Modes
55
4.2
Wall Losses and Cavity
Q
63
vii
VIU
CONTENTS
4.3
Dyadic Green s Functions
66
4.3.1
Fields in the Source-Free Region
68
4.3.2
Fields in the Source Region
69
4.4
Schumann Resonances in the Earth-Ionosphere Cavity
69
Problems
73
PART II. STATISTICAL THEORIES FOR ELECTRICALLY
LARGE CAVITIES
75
5.
Motivation for Statistical Approaches
77
5.1
Lack of Detailed Information
77
5.2
Sensitivity of Fields to Cavity Geometry and Excitation
78
5.3
Interpretation of Results
79
Problems
80
6.
Probability Fundamentals
81
6.1
Introduction
81
6.2
Probability Density Function
82
6.3
Common Probability Density Functions
84
6.4
Cumulative Distribution Function
85
6.5
Methods for Determining Probability Density Functions
86
Problems
88
7.
Reverberation Chambers
91
7.1
Plane-Wave Integral Representation of Fields
91
7.2
Ideal Statistical Properties of Electric and Magnetic Fields
94
7.3
Probability Density Functions for the Fields
98
7.4
Spatial Correlation Functions of Fields and Energy Density
101
7.4.1
Complex Electric or Magnetic Field
101
7.4.2
Mixed Electric and Magnetic Field Components
106
7.4.3
Squared Field Components
107
7.4.4
Energy Density
110
7.4.5
Power Density
111
7.5
Antenna or Test-Object Response
112
7.6
Loss Mechanisms and Chamber
Q
115
7.7
Reciprocity and Radiated Emissions
122
7.7.1
Radiated Power
122
7.7.2
Reciprocity Relationship to Radiated Immunity
123
7.8
Boundary Fields
127
7.8.1
Planar Interface
128
CONTENTS
ІХ
7.8.2
Right-
Angle
Bend
132
7.8.3
Right-Angle Corner
138
7.8.4
Probability Density Functions
142
7.9
Enhanced Backscatter at the Transmitting Antenna
143
7.9.1
Geometrical Optics Formulation
144
7.9.2
Plane-Wave Integral Formulation
147
Problems
148
8.
Aperture Excitation of Electrically Large, Lossy Cavities
151
8.1
Aperture Excitation
151
8.1.1
Apertures of Arbitrary Shape
152
8.1.2
Circular Aperture
153
8.2
Power Balance
155
8.2.1
Shielding Effectiveness
155
8.2.2
Time Constant
157
8.3
Experimental Results for
SE
158
Problems
163
9.
Extensions to the Uniform-Field Model
165
9.1
Frequency Stirring
165
9.1.1
Green s Function
165
9.1.2
Uniform-Field Approximations
167
9.1.3
Nonzero Bandwidth
169
9.2
Unstirred Energy
173
9.3
Alternative Probability Density Function
176
Problems
180
10.
Further Applications of Reverberation Chambers
181
10.1
Nested Chambers for Shielding Effectiveness Measurements
181
10.1.1
Initial Test Methods
182
10.1.2
Revised Method
183
10.1.3
Measured Results
186
10.2
Evaluation of Shielded Enclosures
192
10.2.1
Nested Reverberation Chamber Approach
192
10.2.2
Experimental Setup and Results
193
10.3
Measurement of Antenna Efficiency
196
10.3.1
Receiving Antenna Efficiency
197
10.3.2
Transmitting Antenna Efficiency
198
10.4
Measurement of Absorption Cross Section
199
Problems
201
X
CONTENTS
11.
Indoor Wireless Propagation
203
11.1
General Considerations
203
11.2
Path Loss Models
204
11.3
Temporal Characteristics
205
11.3.1
Reverberation Model
205
11.3.2
Discrete Multipath Model
208
11.3.3 Low-ß
Rooms
211
11.4
Angle of Arrival
217
11.4.1
Reverberation Model
217
11.4.2
Results for Realistic Buildings
218
11.5
Reverberation Chamber Simulation
220
11.5.1
A Controllable
ѓГ
-Factor
Using One
Transmitting Antenna
222
11.5.2
A Controllable K-Factor Using Two
Transmitting Antennas
222
11.5.3
Effective tf-Factor
223
11.5.4
Experimental Results
225
Problems
230
APPENDIX A. VECTOR ANALYSIS
231
APPENDIX B. ASSOCIATED LEGENDRE FUNCTIONS
237
APPENDIX
С
SPHERICAL BESSEL FUNCTIONS
241
APPENDIX D. THE ROLE OF CHAOS IN CAVITY FIELDS
243
APPENDIX E. SHORT ELECTRIC DEPOLE RESPONSE
245
APPENDIX F. SMALL LOOP ANTENNA RESPONSE
247
APPENDIX G. RAY THEORY FOR CHAMBER ANALYSIS
249
APPENDIX H. ABSORPTION BY A HOMOGENEOUS SPHERE
251
APPENDIX I. TRANSMISSION CROSS SECTION OF A SMALL
CIRCULAR APERTURE
255
APPENDIX J. SCALING
257
REFERENCES
261
INDEX
277
|
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| id | DE-604.BV035804286 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T22:04:57Z |
| institution | BVB |
| isbn | 9780470465905 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-018663360 |
| oclc_num | 432405953 |
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| owner | DE-703 |
| owner_facet | DE-703 |
| physical | XIV, 280 S. Ill., graph. Darst. |
| publishDate | 2009 |
| publishDateSearch | 2009 |
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| publisher | IEEE Press Wiley |
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| series2 | IEEE Press series on elecromagnetic wave theory |
| spelling | Hill, David A. Verfasser aut Electromagnetic fields in cavities deterministic and statistical theories David A. Hill Piscataway, NJ IEEE Press 2009 Hoboken, NJ Wiley XIV, 280 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier IEEE Press series on elecromagnetic wave theory Electromagnetic fields Maxwell equations Numerical solutions Hohlraumresonator (DE-588)4160446-5 gnd rswk-swf Elektromagnetisches Feld (DE-588)4014305-3 gnd rswk-swf Elektromagnetisches Feld (DE-588)4014305-3 s Hohlraumresonator (DE-588)4160446-5 s DE-604 Digitalisierung UB Bayreuth application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=018663360&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hill, David A. Electromagnetic fields in cavities deterministic and statistical theories Electromagnetic fields Maxwell equations Numerical solutions Hohlraumresonator (DE-588)4160446-5 gnd Elektromagnetisches Feld (DE-588)4014305-3 gnd |
| subject_GND | (DE-588)4160446-5 (DE-588)4014305-3 |
| title | Electromagnetic fields in cavities deterministic and statistical theories |
| title_auth | Electromagnetic fields in cavities deterministic and statistical theories |
| title_exact_search | Electromagnetic fields in cavities deterministic and statistical theories |
| title_full | Electromagnetic fields in cavities deterministic and statistical theories David A. Hill |
| title_fullStr | Electromagnetic fields in cavities deterministic and statistical theories David A. Hill |
| title_full_unstemmed | Electromagnetic fields in cavities deterministic and statistical theories David A. Hill |
| title_short | Electromagnetic fields in cavities |
| title_sort | electromagnetic fields in cavities deterministic and statistical theories |
| title_sub | deterministic and statistical theories |
| topic | Electromagnetic fields Maxwell equations Numerical solutions Hohlraumresonator (DE-588)4160446-5 gnd Elektromagnetisches Feld (DE-588)4014305-3 gnd |
| topic_facet | Electromagnetic fields Maxwell equations Numerical solutions Hohlraumresonator Elektromagnetisches Feld |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=018663360&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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