Antenna and EM Modeling with MATLAB Antenna Toolbox

338 Pages·2021·23.124 MB·English

by  Sergey N. Makarov, Vishwanath Iyer, Shashank Kulkarni, Steven R. Best

ANTENNA AND EM MODELING WITH
MATLAB® ANTENNA TOOLBOX

ANTENNA AND EM
MODELING WITH
®
MATLAB ANTENNA
TOOLBOX
SECOND EDITION
Dr. Sergey N. Makarov
Worcester Polytechnic Institute
Worcester, MA, USA
Dr. Vishwanath Iyer
MathWorks, Inc.
Sherborn, MA,USA
Dr. Shashank Kulkarni
MathWorks, Inc.
Khajaguda, Hyderabad,India
Dr. Steven R. Best
MegaWave, LLC
Worcester, MA, USA
Thissecondeditionfirstpublished2021
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To ourchildren

Contents
Preface and Text Organization ix
List of Notations xiii
About theCompanionWebsite xv
1 Antenna Circuit Model. Antenna Matching. Antenna Bandwidth 1
Section 1 LumpedCircuit Model of anAntenna.AntennaInput
Impedance 1
Section 2 Antennawith Transmission Line. Antenna Reflection
Coefficient. Antenna Matching. VSWR 18
2 Receiving Antenna: Received Voltage, Power,and Transmission
Coefficient 31
Section 1 Analytical Model for the Receiving Antenna 31
Section 2 Modelof a Two-Port Network for TX/RX Antennas 44
3 Antenna Radiation 55
Section 1 Maxwell Equations andBoundary Conditions 55
Section 2 Solution for Maxwell’s Equationsin Terms of Electric
and Magnetic Potentials 63
Section 3 AntennaRadiation 71
Section 4 AntennaDirectivity and Gain 84
4 Antenna Balun. Antenna Reflector. Method of Images 101
Section 1 AntennaBalun 101
Section 2 AntennaReflector 116
vii
viii
CONTENTS
5 Dipole Antenna Family:Broadband Antennas that Operate
asDipoles at Low Frequencies 135
Section 1 Broadband Dipoles and Monopoles 135
Section 2 Biconical, Wide Blade, and Vivaldi Antennas 141
6 Loop Antennas 155
Section 1 LoopAntenna vs.Dipole Antenna 155
7 Small Antennas 171
Section 1 Fundamental Limits onAntenna Bandwidth 171
Section 2 Practical Antenna Matching and Tuning for a Predefined
(50 Ω) Impedance 185
8 Patch and PIFA Antennas 197
Section 1 Patch Antennas 197
Section 2 PlanarInvertedF(PIFA)Antenna.BandwidthEstimations 219
9 Traveling Wave Antennas 233
Section 1 LongWire Antennaand Yagi-Uda Antenna 233
Section 2 Helical and Spiral Antennas 241
10 Antenna Designer Including Circularly Polarized Antennas 251
Section 1 Fast Analysis and Design of Individual Antennas 251
Section 2 Meaningof Circular Polarization and Proper Antenna
Orientation 259
11 Antenna Arrays 271
Section 1 ArrayTypes. ArrayFactor. Concept of a Scanning Array 271
Section 2 Linear Arrays 287
Section 3 Planar Arrays 303
Index 317