Antenna and EM Modeling with MATLAB Antenna Toolbox

✍ Scribed by Sergey N. Makarov; Shashank Kulkarni; Steven R. Best; Vishwanath Iyer

• Year: 2021
• Tongue: English
• Leaves: 338
• Edition: 2
• Category: Library

✦ Table of Contents

Cover
Title Page
Copyright Page
Contents
Preface and Text Organization
List of Notations
Chapter 1 Antenna Circuit Model. Antenna Matching. Antenna Bandwidth
SECTION 1 LUMPED CIRCUIT MODEL OF AN ANTENNA.ANTENNA INPUT IMPEDANCE
1.1 Antenna Circuit Model. Antenna Loss
1.2 Maximum Power Transfer to (and from) Antenna
1.3 Antenna Efficiency
1.4 Antenna Input Impedance and Impedance Matching
1.5 Point of Interest: Input Impedance of a Dipole Antenna and Its Dependence on Dipole Length
1.6 Beyond the First Resonance
1.7 Numerical Modeling
References
Problems
SECTION 2 ANTENNA WITH TRANSMISSION LINE. ANTENNAREFLECTION COEFFICIENT. ANTENNA MATCHING. VSWR
1.8 Antenna Reflection Coefficient for a Lumped Circuit
1.9 Antenna Reflection Coefficient with a Feeding Transmission Line
1.10 Antenna Impedance Transformation. Antenna Match Via Transmission Line
1.11 Reflection Coefficient Expressed in Decibels and Antenna Bandwidth
1.12 VSWR of the Antenna
References
Problems
Chapter 2 Receiving Antenna: Received Voltage, Power, and Transmission Coefficient
SECTION 1 ANALYTICAL MODEL FOR THE RECEIVING ANTENNA
2.1 Model of the Receiving Antenna and Its Discussion
2.2 Finding Current of a Receive Dipole
2.3 Finding VOC of a Receive Dipole. Induced emf Method. Small Antennas Receive Much Less Power
2.4 Expressing VOC of a Receive Dipole in Terms of Transmitter Parameters
2.5 Voltage and Power Transfer Functions
References
Problems
SECTION 2 MODEL OF A TWO-PORT NETWORK FOR TX/RXANTENNAS
2.6 Impedance Matrix (Mutual Impedance) Approach to the Antenna-to-Antenna Link
2.7 Transfer Function in Terms of Voltage Across the TX Antenna
2.8 Scattering Matrix Approach (Transmission Coefficient)
2.9 Power Transfer Function
2.10 Mutual Impedance of Two Dipoles
2.11 Two-Port Network Antenna Model in MATLAB Antenna Toolbox
References
Problems
Chapter 3 Antenna Radiation
SECTION 1 MAXWELL EQUATIONS AND BOUNDARY CONDITIONS
3.1 Maxwell's Equations
3.2 Boundary Conditions
3.3 About Electrostatic, Magnetostatic, and Direct Current Approximations
3.4 Analytical Solution to Maxwell's Equations in Time Domain. Plane Waves
References
Problems
SECTION 2 SOLUTION FOR MAXWELL’S EQUATIONS IN TERMS OF ELECTRIC AND MAGNETIC POTENTIALS
3.5 Magnetic Vector Potential and Electric Scalar Potential
3.6 Comparison with the Static Case. Coulomb Gauge
3.7 Equations for Potentials. Lorentz Gauge
3.8 Wave Equations in Frequency Domain
3.9 Solution for Maxwell's Equations in Frequency Domain
References
Problems
SECTION 3 ANTENNA RADIATION
3.10 Radiation of a Small Uniform Current Element (lA<<.)
3.11 Near- and Far-Field Regions for a Small Antenna
3.12 Radiation of a Dipole with the Sinusoidal Current Distribution
References
Problems
SECTION 4 ANTENNA DIRECTIVITY AND GAIN
3.13 Antenna Directivity
3.14 Antenna Gain and Realized Gain
3.15 Antenna Effective Aperture – Receiving Antenna as a Power Collector
3.16 Friis Transmission Equation [1]
References
Problems
Chapter 4 Antenna Balun. Antenna Reflector. Method of Images
SECTION 1 ANTENNA BALUN
4.1 Dipole Feed in Numerical Simulations
4.2 Antenna Balun
4.3 Split-Coaxial Balun
4.4 Dyson Balun
4.5 Central Tap Transformer as the Dyson Balun
4.6 Antenna Impedance Transformation
4.7 A Quick Solution
4.8 End-of-Section Story
References
Problems
SECTION 2 ANTENNA REFLECTOR
4.9 Ground Plane for an Electric Dipole. The ./4-Rule
4.10 Method of Images
4.11 Effect of Ground Plane on Antenna Impedance
4.12 Effect of Ground Plane on the Radiation Pattern
4.13 Extensions of the Image Method: Corner Reflector
4.14 Finite Ground Plane – Geometrical Optics
4.15 Front-to-Back Ratio
4.1 NOTES TO PROBLEMS OF THIS SECTION GIVEN BELOW
References
Problems
Chapter 5 Dipole Antenna Family: Broadband Antennas that Operate as Dipoles at Low Frequencies
SECTION 1 BROADBAND DIPOLES AND MONOPOLES
5.1 Dipole. Summary of Previous Results
5.2 Monopole
5.3 Broadband (Large) Dipoles
5.4 Canonic Dipoles and Their Performance
Reference
Problems
SECTION 2 BICONICAL, WIDE BLADE, AND VIVALDI ANTENNAS
5.5 Biconical "Dipole" or Biconical Antenna
5.6 Wide Blade Dipole: Two Antennas in One
5.7 Blade Dipole with One Radiating Slot – Vivaldi Antenna
References
Problems
Chapter 6 Loop Antennas
SECTION 1 LOOP ANTENNA VS. DIPOLE ANTENNA
6.1 Concept
6.2 Analytical Results
6.3 Full-Wave Simulation Results
6.4 Why Loop Antenna?
References
Problems
Chapter 7 Small Antennas
SECTION 1 FUNDAMENTAL LIMITS ON ANTENNA BANDWIDTH
7.1 Antenna Size Estimate
7.2 Bandwidth of a Small Antenna
7.4 One Hidden Problem with a Small Antenna
References
Problems
SECTION 2 PRACTICAL ANTENNA MATCHING AND TUNING FORA PREDEFINED (50 O) IMPEDANCE
7.5 Double Tuning – Inductive (Small Loop) Antenna
7.6 Double Tuning – Capacitive (Small Dipole or Monopole) Antenna
References
Problems
Chapter 8 Patch and PIFA Antennas
SECTION 1 PATCH ANTENNAS
8.1 Concept
8.2 Fields
8.3 CAD Formulas for Patch Antenna
8.4 CAD Formulas for the Patch Antenna Efficiency
8.5 Patch Antenna Example: Cross-Polarization and Near Fields
8.6 Patch Antenna Family
References
Problems
SECTION 2 PLANAR INVERTED F (PIFA) ANTENNA.BANDWIDTH ESTIMATIONS
8.7 Concept
8.8 PIFA Types. Behavior of Input Impedance
8.9 PIFA Modeling
8.10 Bandwidth Results
8.11 Comparison with Other Data
8.12 Summary
References
Problems
Chapter 9 Traveling Wave Antennas
SECTION 1 LONG WIRE ANTENNA AND YAGI-UDA ANTENNA
9.1 Concept
9.2 Features and Modeling
9.3 Modeling with Antenna Toolbox
9.4 Yagi-Uda Antenna
9.5 Traveling Wave Formation Along Yagi-Uda Antenna
References
Problems
SECTION 2 HELICAL AND SPIRAL ANTENNAS
9.6 Helical Antenna: Normal Mode of Operation
9.7 Helical Antenna: Axial Mode of Operation
9.8 Modeling with Antenna Toolbox
9.9 Spiral Antenna: Archimedean Spiral
9.10 Modeling with Antenna Toolbox
9.11 Principle of Operation
9.12 Equiangular Spiral Antenna
References
Problems
Chapter 10 Antenna Designer Including Circularly Polarized Antennas
SECTION 1 FAST ANALYSIS AND DESIGN OF INDIVIDUAL ANTENNAS
10.1 Antenna Designer
10.2 Using Pre-Optimized Antenna Geometry
10.3 Performing Geometry Optimization on the Fly
10.4 Design Example
10.5 Antenna Preselection for a Given Task
Reference
Problems
SECTION 2 MEANING OF CIRCULAR POLARIZATION AND PROPER ANTENNA ORIENTATION
10.6 Antenna Phase Shift or Delay
10.7 Circularly Polarized RX/TX Antennas and Their Required Orientations in Space
10.9 Quantitative Measures of Circular Polarization
10.10 Circularly Polarized Turnstile Antenna
10.11 Circularly Polarized Patch Antenna
References
Problems
Chapter 11 Antenna Arrays
SECTION 1 ARRAY TYPES. ARRAY FACTOR.CONCEPT OF A SCANNING ARRAY
11.1 Array Types
11.2 Basic Array of Two Dipoles
11.3 Array Factor for Identical Radiators
11.4 Array Radiated Power and Array Directivity
11.5 Directivity of the Array and Directivity of the Array Factor
11.6 Concept of a Scanning Array
References
Problems
SECTION 2 LINEAR ARRAYS
11.7 Broadside Linear Array
11.8 Array Amplitude Taper
11.9 Binomial Broadside Array
11.10 Dolph-Chebyshev Broadside Array
11.11 Endfire Linear Array
11.12 Hansen-Woodyard Endfire Array
11.13 Linear Array for Arbitrary Scan Angles
11.14 Superdirectivity
References
Problems
SECTION 3 PLANAR ARRAYS
11.15 Theoretical Gain Pattern of a Finite 2D Array
11.16 Design of Small 2D Arrays: Impedance Bandwidth Improvement and Directivity
11.17 Corporate Series Feed – Wilkinson Power Dividers
11.18 Corporate (Parallel) Feed
References
Problems
Index
EULA