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"Provides the reader with first steps in EM MODSIM as well as tools for medium and high-level code developers and users"--
List of contents
Preface xvii
About the Author xxvii
Acknowledgments xxix
1 Introduction to MODSIM 1
1.1 Models and Modeling, 2
1.2 Validation, Verifi cation, and Calibration, 5
1.3 Available Core Models, 7
1.4 Model Selection Criteria, 9
1.5 Graduate Level EM MODSIM Course, 11
1.5.1 Course Description and Plan, 11
1.5.2 Available Virtual EM Tools, 12
1.6 EM-MODSIM Lecture Flow, 12
1.7 Two Level EM Guided Wave Lecture, 17
1.8 Conclusions, 19
References, 19
2 Engineers Speak with Numbers 23
2.1 Introduction, 23
2.2 Measurement, Calculation, and Error Analysis, 24
2.3 Significant Digits, Truncation, and Round-Off Errors, 27
2.4 Error Propagation, 28
2.5 Error and Confi dence Level, 29
2.5.1 Predicting the Population's Confidence Interval, 33
2.6 Hypothesis Testing, 36
2.6.1 Testing Population Mean, 38
2.6.2 Testing Population Proportion, 39
2.6.3 Testing Two Population Averages, 39
2.6.4 Testing Two Population Proportions, 39
2.6.5 Testing Paired Data, 40
2.7 Hypothetical Tests on Cell Phones, 41
2.8 Conclusions, 45
References, 45
3 Numerical Analysis in Electromagnetics 47
3.1 Taylor's Expansion and Numerical Differentiation, 47
3.1.1 Taylor's Expansion and Ordinary Differential Equations, 50
3.1.2 Poisson and Laplace Equations, 52
3.1.3 An Iterative (Finite-Difference) Solution, 53
3.2 Numerical Integration, 58
3.2.1 Rectangular Method, 58
3.3 Nonlinear Equations and Root Search, 62
3.4 Linear Systems of Equations, 64
References, 69
4 Fourier Transform and Fourier Series 71
4.1 Introduction, 71
4.2 Fourier Transform, 72
4.2.1 Fourier Transform (FT), 72
4.2.2 Discrete Fourier Transform (DFT), 74
4.2.3 Fast Fourier Transform (FFT), 76
4.2.4 Aliasing, Spectral Leakage, and Scalloping Loss, 77
4.2.5 Windowing and Window Functions, 80
4.3 Basic Discretization Requirements, 81
4.4 Fourier Series Representation, 85
4.5 Rectangular Pulse and Its Harmonics, 92
4.6 Conclusions, 92
References, 94
5 Stochastic Modeling in Electromagnetics 95
5.1 Introduction, 95
5.2 Radar Signal Environment, 98
5.2.1 Random Number Generation, 98
5.2.2 Noise Generation, 101
5.2.3 Signal Generation, 108
5.2.4 Clutter Generation, 108
5.3 Total Radar Signal, 111
5.4 Decision Making and Detection, 114
5.4.1 Hypothesis Operating Characteristics (HOCs), 115
5.4.2 A Communication/Radar Receiver, 119
5.5 Conclusions, 129
References, 130
6 Electromagnetic Theory: Basic Review 133
6.1 Maxwell Equations and Reduction, 133
6.2 Waveguiding Structures, 134
6.3 Radiation Problems and Vector Potentials, 136
6.4 The Delta Dirac Function, 138
6.5 Coordinate Systems and Basic Operators, 139
6.6 The Point Source Representation, 141
6.7 Field Representation of a Point/Line Source, 142
6.8 Alternative Field Representations, 143
6.9 Transverse Electric/Magnetic Fields, 145
6.9.1 The 3D TE/TM Waves, 145
6.9.2 The 2D TE/TM Waves, 146
6.10 The TE/TM Source Injection, 151
6.11 Second-Order EM Differential Equations, 154
6.12 EM Wave-Transmission Line Analogy, 155
About the author
LEVENT SEVGI, BSEE, MSEE, PhD, works at the Electronics and Communication Engineering Department at Dogus University in Istanbul, while serving as a full-time faculty member at University of Massachusetts, Lowell (UML) during his sabbatical. A former chair of the Electronic Systems Department in TUBITAK-MRC, Information Technologies Research Institute, Dr. Sevgi is also the author or coauthor of nearly 200 journal, magazine, conference papers, and tutorials; a Fellow of the IEEE; AdCom Member of the IEEE Antennas and Propagation Society (AP-S; 2013-2015); the writer/editor of the "Testing Ourselves" column in the IEEE
Antennas and Propagation Magazine; and a member of the IEEE AP-S Education Committee.
Summary
Electromagnetic modeling is essential to the design and modeling of antenna, radar, satellite, medical imaging, and other applications. In Electromagnetic Modeling and Simulation, author Levent Sevgi explains techniques for solving real-time complex physical problems using MATLAB-based short scripts and comprehensive virtual tools.
