Microstrip Antennas Modeling for Recent Applications

Description

MICROSTRIP ANTENNAS MODELING FOR RECENT APPLICATIONS......Page 3 MICROSTRIP ANTENNAS MODELING FOR RECENT APPLICATIONS......Page 5 Library of Congress Cataloging-in-Publication Data......Page 6 CONTENTS......Page 7 PREFACE......Page 9 1. INTRODUCTION......Page 13 2.1. Analytical Methods......Page 15 2.2. Full-Wave Analysis......Page 16 3. PATCH ANTENNA DESCRIPTION......Page 17 4.2. Effect of the Substrate Thickness and Its Dielectric Constant......Page 18 4.3. Choice of Dielectric Constant Materials......Page 19 4.4. Effect of the Ground Plane Dimensions......Page 20 5.1. Single Layer Open Type of Feed Systems......Page 21 CONCLUSION......Page 22 REFERENCES......Page 23 1. INTRODUCTION......Page 27 2. MICROSTRIP RADIATORS......Page 28 3. THE CURRENT SOURCES......Page 30 5. RECTANGULAR PATCH ANTENNA......Page 31 5.1. Solution for Cavity Fields......Page 32 5.2. Radiation Field......Page 35 6. CIRCULAR PATCH ANTENNA......Page 36 6.1. Simple Cavity Model......Page 37 6.1.1. Far Fields......Page 39 6.1.2. Resonance Frequency......Page 41 6.1.3. Input Impedance......Page 42 6.2. The Cavity Model with Feed Source......Page 43 6.2.2. Input Impedance......Page 46 6.2.3. Far-Fields According to the Displacement of the ExcitationSource......Page 47 CONCLUSION......Page 57 REFERENCES......Page 58 ABSTRACT......Page 61 1. INTRODUCTION......Page 62 2. RECTANGULAR AND CIRCULAR PATCH GEOMETRIES......Page 63 3. ANISOTROPIC SUBSTRATE......Page 64 4. VECTOR TRANSFORMS......Page 65 4.1. Vector Fourier Transform......Page 66 4.2. Vector Hankel Transform......Page 67 5. CALCULATION OF THE MATRICES ASSOCIATED WITH THE DIELECTRIC LAYERS AND THE SPECTRALDYADIC GREEN’S FUNCTION......Page 69 6.1. Rectangular Case......Page 74 6.2. Circular Case......Page 77 7.1. Rectangular Case......Page 79 7.2. Circular Case......Page 80 8.1. Resonance Frequency, Quality Factor and Bandwidth......Page 83 8.2.1. Directivity and Radiation Pattern......Page 91 8.2.2. Radar Cross Section (RCS)......Page 97 CONCLUSION......Page 100 REFERENCES......Page 101 ABSTRACT......Page 105 1. INTRODUCTION......Page 106 4. ASYMPTOTIC FORMS OF THE CURRENTS......Page 107 5. RECTANGULAR CASE......Page 108 5.1. Sinusoid Basis Function without Edge Condition......Page 109 5.2. Sinusoid Basis Function with Edge Condition......Page 110 5.3. Chebyshev Polynomials with Edge Condition......Page 111 5.4. Roof Top Sub-Domain Basis Functions......Page 113 6.1. TM and TE Modes of Cylindrical Cavities with MagneticSide Walls......Page 120 6.2. Closed-Form Hankel Transforms Involving ChebyshevPolynomials and Edge Condition......Page 122 CONCLUSION......Page 124 REFERENCES......Page 125 1. INTRODUCTION......Page 127 2. THE WAVE MODES IN A RESISTIVE PATCH ANTENNA WITH ISOTROPIC DIELECTRIC......Page 129 3. THE ELECTRIC FIELD INTEGRAL EQUATION WITH OF A RESISTIVE PATCH ON THE ISOTROPIC OR ANISOTROPIC SUBSTRATE......Page 132 CONCLUSION......Page 138 REFERENCES......Page 139 1. INTRODUCTION......Page 141 2. RECTANGULAR PATCH ANTENNA WITH EXCITATION......Page 142 3.1. Traveling Wave Currents on the Feed Line......Page 146 3.2. Overlap Currents......Page 148 3.3. Patch Currents......Page 149 CONCLUSION......Page 158 REFERENCES......Page 159 1. INTRODUCTION......Page 163 2. U-SHAPED SLOT LOADED RECTANGULARPATCH ANTENNA......Page 165 3. U-SHAPED SLOT LOADED CIRCULARPATCH ANTENNA......Page 170 4. L-SHAPED SLOT LOADED SEMI CIRCULARPATCH ANTENNA......Page 172 5. BI-LAYER BI-CONDUCTOR RECTANGULAR PATCHESLOADED WITH U AND A PAIR OF L-SHAPED SLOTS......Page 175 6. BI-LAYER BI-CONDUCTOR CIRCULAR ANDSEMI CIRCULAR PATCHES LOADED WITH U ANDL-SHAPED SLOTS......Page 178 7. BI-LAYER BI-CONDUCTOR MICROSTRIP PATCHANTENNA LOADED WITH U AND U-SHAPED SLOTS......Page 181 CONCLUSION......Page 184 REFERENCES......Page 185 INDEX......Page 187 Blank Page......Page 2