Contents

Preface

Acknowledgments

Acronyms

Chapter 1 Electromagnetic Modeling of Composite Metallic and Dielectric Structures Using Higher Order Basis Functions

1.0 Summary

1.1 Integral Equations for Dielectric Structures

1.2 A General Formulation for the Analysis of Composite Metallic and Dielectric Structures

1.3 Geometric Modeling

1.3.1 Parametric Curves

1.3.2 Parametric Surfaces

1.3.3 NURBS Curves

1.3.4 NURBS Surfaces

1.4 MoM Modeling of the Structures

1.4.1 From the Physical Geometry of the Structure to a CEM Model

1.4.2 Right-Truncated Cones to Model Wire Structures

1.4.3 Bilinear Surfaces to Model Arbitrarily Shaped Surfaces

1.4.4 Wire-to-Surface Junction

1.5 Description of Higher Order Basis Functions

1.5.1 Current Expansion along a Thin PEC Wire

1.5.2 Current Expansion over a Bilinear Surface

1.6 Testing Procedure

1.6.1 Testing Procedure for Thin PEC Wires

1.6.2 Testing Procedure for Bilinear Surfaces

1.7 Modeling of the Excitations

1.8 Examples Illustrating the Requirements of the Geometrical Modeling

1.9 Examples Illustrating the Salient Features of the Higher Order Basis Functions

1.10 Performance of the PMCHW Formulation Using Higher Order Basis Functions for Different Values of the Dielectric Constants

1.11 Performance of the PMCHW Formulation at Very Low Frequencies Using Higher Order Basis Functions for Dielectric Bodies

1.12 Evaluation of Antenna and Scatterer Characteristics

1.12.1 Network Parameters

1.12.2 Current Distribution

1.12.3 Near-Field

1.12.4 Far-Field ...

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