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Computational Electromagnetics : Antennas & Propagation Library - Konada Umashankar

Computational Electromagnetics

Antennas & Propagation Library

Hardcover

Published: 19th December 1993
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A self-study tutorial which presents the fundamental principles and rigorous numerical validations of a major contemporary branch in frequency-domain computational electromagnetics.

Introductionp. 1
Historical Sketchp. 1
High-Frequency Diffraction Theoryp. 2
Wave Interactions at Low and Moderate Frequenciesp. 3
Hybrid and Iterative Formulationsp. 4
Finite-Difference Formulationp. 6
Finite-Element Formulationp. 7
Overall Perspectivep. 8
Synopsis of Contemporary Approachesp. 9
Categorization of Approachesp. 9
Direct Time-Domain Techniquesp. 11
Direct Frequency-Domain Techniquesp. 11
High-Frequency Diffraction Techniquesp. 13
Assessment of General Applicabilityp. 14
Maxwell's Equationsp. 19
Charge Density Distributionsp. 19
Electric Current Densityp. 23
Electric Current Density Distributionsp. 25
Continuity Equationp. 29
Maxwell's Equations--Time Domainp. 31
Summary of Electromagnetic Field Equations--Time Domainp. 37
Gauss's Law for Electromagnetic Fieldsp. 42
Electromagnetic Boundary Conditionsp. 43
Boundary Conditions for Tangential Componentsp. 44
Boundary Conditions for Normal Componentsp. 50
Power and Energy Storedp. 55
Plane Wave Solutionp. 60
Wave Equationp. 61
Solution to the Wave Equationp. 66
Vector Plane Wave Fieldsp. 76
Properties of Plane Wave Fieldsp. 79
Intrinsic Impedance of the Mediump. 81
One-Dimensional Field Problemp. 84
Electromagnetic Fields in a Lossy Mediump. 93
Finite-Difference Numerical Solutionp. 95
Propagation of a Half-Sine Pulsep. 101
Frequency Domainp. 104
Sources in Frequency Domainp. 109
Electric Current Densityp. 109
Continuity Equationp. 111
Maxwell's Equations in the Frequency Domainp. 112
Boundary Conditions in the Frequency Domainp. 115
Power and Energy Stored in Frequency Domainp. 118
Helmholtz Equationp. 123
Solution to the Helmholtz Equationp. 128
Propagation Constantp. 133
Electromagnetic Potentialsp. 134
Static Equationsp. 141
Solution for Potentialsp. 142
Potential Superposition Integralsp. 148
Electric Dipole Fieldsp. 151
Maxwell's Equations with Magnetic Sourcesp. 156
Magnetic Source Distributionsp. 157
Continuity Equationp. 159
Maxwell's Equations in Frequency Domainp. 160
Electromagnetic Boundary Conditionsp. 161
Helmholtz Equations with Magnetic Sourcesp. 165
Electromagnetic Potentials with Magnetic Sourcesp. 170
Solution for Potentials with Magnetic Sourcesp. 176
Two-Dimensional Perfectly Conducting Objects: TM Polarizationp. 181
General Field Equationsp. 183
Fields in Terms of Potentialsp. 189
Transverse Magnetic Polarizationp. 193
Field Equations in the Spectral Domainp. 197
Solution for the Magnetic Vector Potentialp. 202
Electric Field Integral Equation--TM Casep. 208
Equivalent Electric Current Sourcesp. 215
EFIE--Perfect Conductorp. 219
Method of Momentsp. 220
Perfectly Conducting Circular Cylinderp. 222
Thin Conducting Wirep. 231
Near- and Far-Field Distributionsp. 232
An Alternative Formulationp. 237
Arbitrary Cross Section--TM Excitationp. 241
Expansion Functionsp. 244
Weighting Functionsp. 247
Reduction of EFIE to a Matrix Equationp. 249
Square Conducting Cylinderp. 257
Thin-Strip Conducting Scattererp. 278
Convergence Datap. 285
Electrically Large Objectsp. 288
Spatial Decomposition Techniquep. 289
Matrix Condition Numberp. 302
Analysis of Aperturesp. 304
Aperture Equivalencesp. 305
Two-Dimensional Aperturep. 316
Aperture Integral Equation--TE Casep. 320
Two-Dimensional Perfectly Conducting Object: TE Polarizationp. 327
General Field Equationsp. 328
Field Equations in the Spectral Domainp. 329
Fields and Potentialsp. 333
Transformed Fields in Transverse Coordinatesp. 335
Transverse Electric Polarizationp. 337
Transverse Electric Fieldsp. 339
Solution for Vector and Scalar Potentialsp. 342
Integral Equations--TE Casep. 345
Equivalent Electric Current Sourcesp. 351
MFIE--Perfect Conductorp. 358
EFIE--Perfect Conductorp. 361
Perfectly Conducting Circular Cylinderp. 362
Alternative Formulationp. 372
Scattered Near- and Far-Field Distributionsp. 374
Arbitrary Cross Section--EFIE-TE Excitationp. 380
Expansion Functionsp. 383
Reduction to Matrix Equationp. 386
Square Conducting Cylinderp. 397
Thin-Strip Conducting Scattererp. 408
Arbitrary Cross Section--MFIE-TE Excitationp. 416
Reduction to a Matrix Equationp. 418
EFIE and MFIE Validationsp. 423
SDT Approach--TE Casep. 426
Analysis of Aperturesp. 436
Aperture Equivalencesp. 437
Two-Dimensional Aperturep. 441
Aperture Integral Equation--TM Casep. 445
Two-Dimensional Homogeneous Dielectric Object: TM and TE Polarizationsp. 451
General Field Equationsp. 454
Field Equations in the Spectral Domainp. 461
TM and TE Polarizationsp. 463
Formulation of Integral Equationsp. 470
Electromagnetic Equivalencep. 475
Exterior Equivalencep. 479
Interior Equivalencep. 485
Combined Integral Equationsp. 492
CFIE--TM Casep. 497
Dielectric Circular Cylinder--TM Excitationp. 508
Scattered Field Distributionp. 517
Arbitrary Cross Section--CFIE-TM Excitationp. 523
Expansion Functionsp. 527
Reduction to Partitioned Matrix Equationp. 531
Numerical Results--TM Casep. 553
Scattered Field Distributionsp. 560
Far-Field Distributionp. 564
CFIE--TE Casep. 569
Dielectric Circular Cylinder--TE Excitationp. 581
Duality of the TM and TE Casesp. 590
Scattered Field Distributionsp. 591
Arbitrary Cross Section--CFIE-TE Excitationp. 595
Partitioned Matrix Equationp. 599
Numerical Results--TE Casep. 604
Far-Field Distributionp. 607
Anisotropic Scattererp. 614
Interior Equivalencep. 618
Potential Integrals--Anisotropic Mediump. 623
CFIE--Anisotropic Casep. 624
Two-Dimensional Conducting and Dielectric Layered Object: TM and TE Polarizationsp. 627
Formulation of Integral Equationsp. 630
Electromagnetic Equivalence--Layered Casep. 634
Exterior Equivalence--Layer 1p. 635
Interior Equivalence--Layer 2p. 638
Interior Equivalence--Layer 3p. 641
Combined Field Integral Equations--Layered Casep. 643
CFIE--TM Casep. 646
Layered Dielectric Circular Cylinderp. 653
Circular Multilayer Loadingp. 658
Circular Conductor with Layered Dielectricp. 663
Solution by Back Substitutionp. 670
Numerical Solution--Layered Casep. 672
Layered Arbitrary Cross Section--TM Excitationp. 681
Numerical Solution--Arbitrary Layered Casep. 682
CFIE--TE Casep. 696
Vector Identitiesp. 697
Vector Operationsp. 697
Mixed Vector Operations and Derivativesp. 698
Differential Operatorp. 698
Transformation of Vectorsp. 700
Coordinate Representationsp. 701
Integral Relationshipsp. 703
Bessel Functionsp. 705
Basic Equationp. 705
Integral Representationp. 705
Series Representationp. 706
Coordinate Transformationp. 707
Bibliographyp. 709
Indexp. 711
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780890065990
ISBN-10: 0890065993
Series: Antennas & Propagation Library
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 732
Published: 19th December 1993
Publisher: Artech House Publishers
Country of Publication: US
Dimensions (cm): 22.9 x 15.2  x 4.4
Weight (kg): 1.24