Antenna and EM modeling with MATLAB antenna toolbox / / Sergey N. Makarov [et al.]

• Record Nr.: UNINA9910554875003321
• Autore: Makarov Sergey N.
• Pubbl/distr/stampa: Hoboken, NJ : , : Wiley, , [2021]; ©2021
• ISBN: 1-5231-4318-5; 1-119-69370-5; 1-119-69359-4; 1-119-69371-3
• Edizione: [Second edition.]
• Descrizione fisica: 1 online resource (338 pages)
• Disciplina: 621.38240113
• Soggetti: Antenna radiation patterns - Computer simulation; Antennas (Electronics) - Computer simulation; Electromagnetic waves - Computer simulation; Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: 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&lt -- &lt -- .) -- 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.