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      Radio Wave Propagation and Parabolic Equation Modeling

      AvGokhan Apaydin,Levent Sevgi

      Häftad, Engelska, 2017

      732 kr

      Beställningsvara. Skickas inom 5-8 vardagar. Fri frakt över 249 kr.

      Beskrivning

      An important contribution to the literature that introduces powerful new methods for modeling and simulating radio wave propagationA thorough understanding of electromagnetic wave propagation is fundamental to the development of sophisticated communication and detection technologies. The powerful numerical methods described in this book represent a major step forward in our ability to accurately model electromagnetic wave propagation in order to establish and maintain reliable communication links, to detect targets in radar systems, and to maintain robust mobile phone and broadcasting networks. The first new book on guided wave propagation modeling and simulation to appear in nearly two decades, Radio Wave Propagation and Parabolic Equation Modeling addresses the fundamentals of electromagnetic wave propagation generally, with a specific focus on radio wave propagation through various media. The authors explore an array of new applications, and detail various virtual electromagnetic tools for solving several frequent electromagnetic propagation problems. All of the methods described are presented within the context of real-world scenarios typifying the differing effects of various environments on radio-wave propagation. This valuable text: Addresses groundwave and surface wave propagationExplains radar applications in terms of parabolic equation modeling and simulation approachesIntroduces several simple and sophisticated MATLAB scriptsTeaches applications that work with a wide range of electromagnetic, acoustic and optical wave propagation modelingPresents the material in a quick-reference format ideal for busy researchers and engineersRadio Wave Propagation and Parabolic Equation Modeling is a critical resource forelectrical, electronics, communication, and computer engineers working on industrial and military applications that rely on the directed propagation of radio waves. It is also a useful reference for advanced engineering students and academic researchers.

      Produktinformation

      • Utgivningsdatum:2017-11-03
      • Mått:150 x 226 x 13 mm
      • Vikt:272 g
      • Format:Häftad
      • Språk:Engelska
      • Antal sidor:160
      • Förlag:John Wiley & Sons Inc
      • ISBN:9781119432111

      Utforska kategorier

      • Elektronik och kommunikationer inom Naturvetenskap och teknik

      Mer om författaren

      GÖKHAN APAYDIN, BSEE, MSEE, PHD, is a freelance electrical and electronics engineer. His research interests include analytical and numerical methods in electromagnetics, especially on electromagnetic computation of wave propagation, diffraction modeling, scattering, and related areas.LEVENT SEVGI, BSEE, MSEE, PHD, is a Professor in the Electrical and Electronics Engineering Department at Okan University, Istanbul, Turkey. His research has focused on propagation in complex environments, EMC/BEM modeling and measurements, analytical and numerical methods in electromagnetics, and radar systems.

      Innehållsförteckning

      • Preface ixAcronyms xiMATLAB Codes xiiiChapter 1 Introduction 11.1 Electromagnetic Problems and Classification 11.2 Maxwell Equations 31.3 Guided Waves and Transverse/Longitudinal Decomposition 41.4 Two Dimensional Helmholtz’s Equation 51.5 Validation, Verification, and Calibration Procedure 61.6 Fourier Transform, DFT and FFT 7Chapter 2 Wave Propagation over Flat Earth 152.1 Flat Earth and GO Two-Ray Model 152.2 Single Knife Edge Problem and Four-Ray Model 162.3 Vertical Linear Refractivity Profile and Mode Summation 19Chapter 3 Parabolic Equation Modeling 233.1 Introduction 233.2 Parabolic Wave Equation Form 243.3 Dirichlet, Neumann, and Cauchy Boundary Conditions 273.4 Antenna/Source Injection 283.5 Split-Step Parabolic Equation (SSPE) Model 293.5.1 Narrow-Angle and Wide-Angle SSPE 303.5.2 A MATLAB-Based Simple SSPE Code 303.6 FEM-Based Parabolic Equation Model 323.7 Atmospheric Refractivity Effects 40Chapter 4 Wave Propagation at Short Ranges 434.1 Introduction 434.2 Accurate Source Modeling 444.3 Wave Propagators in Two Dimensions 474.3.1 Flat Earth and Two-Ray Model 474.3.2 FEM-Based PE Wave Propagator 494.3.3 SSPE-Based PE Wave Propagator 494.3.4 Method of Moments Modeling 494.4 Knife Edge and Four Ray Model 494.5 Canonical Tests and Calibration 50Chapter 5 Pe and Terrain Modeling 535.1 Irregular PEC Terrain 535.2 PE and Impedance Boundary Modeling 545.2.1 Discrete Mixed Fourier Transform (DMFT) 565.3 Numerical Results and Comparison 57Chapter 6 Analytical Exact and Approximate Models 656.1 Wave Propagation in a Parallel Plate Waveguide 656.2 Green’s Function in Terms of Mode Summation 686.3 Mode Summation for a Tilted Gaussian Source 706.4 A Hybrid Ray + Image Method 716.5 Numerical Models 736.5.1 Parabolic Equation Models: SSPE and FEMPE 736.5.2 Method of Moments 75Chapter 7 Wave Propagation Inside Three-dimensional Rectangular Waveguide 797.1 Introduction 797.2 Three-Dimensional Rectangular Waveguide Model 807.3 Three-Dimensional Parabolic Equation Models 817.3.1 SSPE Model 817.3.2 FEMPE Model 827.3.3 ADIPE Model 827.4 Tests and Calibration 83Chapter 8 Two WAY PE MODELS 898.1 Formulation of Two Way FEMPE Method 898.2 Formulation of Two Way SSPE Method 918.3 Flat Earth with Infinite Wall 918.4 Flat Earth with Single and Double Knife Edges 918.5 Two Way Propagation Modeling in Waveguides 968.6 Three-Dimensional Split-Step- and Finite-Element-Based Parabolic Equation Models 968.7 Tests and Calibration 97Chapter 9 Petool Virtual Propagation Package 1019.1 Introduction 1019.2 PETOOL Software 1039.3 Characteristic Examples 107Chapter 10 Femix Virtual Propagation Package 11310.1 Introduction 11310.2 Analytical Surface-Wave Model 11510.2.1 Path Loss 11510.2.2 Norton’s Model 11510.2.3 Wait’s Model 11610.2.4 Millington’s Curve Fitting Approach 11710.3 Numerical Surface-Wave Model 11810.4 FEMIX Package 11910.5 Characteristic Examples 122References 127Index 135
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