Introduction to Radio EngineeringPDF|Epub|txt|kindle电子书版本网盘下载

Introduction to Radio EngineeringPDF格式电子书版下载

注意：本站所有压缩包均有解压码： 点击下载压缩包解压工具

SECTION Ⅰ MATHEMATICAL FOUNDATIONS FOR RADIO ENGINEERING3

1 Basic Definitions，Operations，and Differential Vectors3

1.1 Complex Values and Phasors3

1.2 Vectors4

1.3 Vector and Scalar Operations6

1.4 Differential Vectors9

1.4.1 Cartesian Coordinate System9

1.4.2 Cylindrical Coordinate System11

1.4.3 Spherical Coordinate System13

1.5 Relationships between Coordinate Systems14

1.5.1 Cartesian and Cylindrical Coordinate Systems14

1.5.2 Cartesian and Spherical Coordinate Systems14

References16

2 Differential Operators in Classical Electrodynamics17

2.1 Gradient of the Scalar Field17

2.2 Divergence of the Vector Field19

2.3 Vector Operator “Curl” or “Rot”20

2.4 Laplace Operator22

2.5 Integral Presentation of Differential Operators23

2.5.1 Definitions of Line，Surface，and Volume Integrals23

2.5.1.1 Line Integral23

2.5.1.2 Surface Integral25

2.5.1.3 Volume Integral26

2.5.2 Integral Presentation of Vector Operators27

2.5.2.1 Integral Presentation of Gradient Operator27

2.5.2.2 Integral Presentation of Divergence Operator28

2.5.2.3 Integral Presentation of Curl Operator29

References31

SECTION Ⅱ INTRODUCTION TO CLASSICAL ELECTRODYNAMICS35

3 Electromagnetic Waves35

3.1 Maxwell’s Equations35

3.1.1 Differential Form of Maxwell’s Equations35

3.1.2 Integral Form of Maxwell’s Equations38

3.2 Presentation of Electromagnetic Waves40

3.3 Green’s Function42

3.4 Poynting Theorem43

References47

4 Electromagnetic Waves Propagation in Various Media49

4.1 Electromagnetic Waves in Free Space49

4.1.1 Plane Waves49

4.1.2 Cylindrical Waves50

4.1.3 Spherical Waves51

4.2 Polarization of Electromagnetic Waves51

4.3 Propagation of Electromagnetic Waves in Material Media53

4.3.1 Main Characteristics of Plane Waves in Material Media53

4.3.2 Propagation of Plane Wave in Ideal Dielectric Medium58

4.3.3 Propagation of Plane Wave in Nonideal Dielectric Medium59

4.3.4 Propagation of Plane Wave in Good Conductive Medium60

4.3.5 Main Results62

References63

5 Reflection and Refraction of Electromagnetic Waves65

5.1 Boundary Conditions65

5.2 Reflection and Refraction Coefficients at the Boundary of Two Media67

5.3 Properties of Reflection Coefficients for Waves with Arbitrary Polarization71

References74

SECTIONⅢ GUIDING STRUCTURES AND GUIDING WAVES77

6 Types of Guiding Structures and Guiding Waves77

6.1 Types of Guiding Structures77

6.2 Types of Guiding Waves Propagating in Guiding Structures77

6.2.1 Transverse Electromagnetic （TEM） Waves in Guiding Structures79

6.2.2 TE and TM Waves in Guiding Structures81

References85

7 Transmission Lines87

7.1 Infinite-Length Transmission Line87

7.2 Finite-Length Transmission Line91

7.3 Impedance and Matching of Transmission Line92

7.5 Transmission Line with Losses93

References96

8 Coaxial Cables97

8.1 Main Characteristics of Coaxial Cable97

8.2 Propagation of a Transverse Electromagnetic （TEM） Wave along the Coaxial Cable99

8.3 Propagation of TE and TM Waves along the Coaxial Cable101

8.4 Leaky Coaxial Cable （LCC） Hidden in Semi-Space Dielectric Medium102

8.4.1 The Simple Coaxial Cable Model103

8.4.2 Insulated Cable Hidden in Semi-Space Dielectric Medium104

8.4.3 Coupling Effect between External and Internal Modes of LCC105

References108

9 Waveguides109

9.1 Two-Dimensional （2-D） Plane Guiding Structure109

9.1.1 Propagation of Transverse Electromagnetic （TEM） Waves109

9.1.2 Propagation of TM Waves111

9.1.3 Propagation of TE Waves114

9.2 Rectangular Waveguides116

9.2.1 Propagation of TM Modes in Rectangular Waveguide116

9.2.2 Propagation of TE Modes in Rectangular Waveguide120

9.3 Cylindrical Waveguides123

9.3.1 Propagation of TM Modes in Cylindrical Waveguide123

9.3.2 Propagation of TE Modes in Cylindrical Waveguide127

References129

SECTION Ⅳ ANTENNA FUNDAMENTALS133

10 Basic Characteristics and Types of Antennas133

10.1 Basic Characteristics of Antennas133

10.1.1 Antenna Radiation Regions133

10.1.2 Basic Characteristics of Antennas135

10.1.3 Polarization of Antennas138

10.2 Antennas in Free Space141

10.3 Types of Antenna141

10.3.1 Dipole Antennas141

10.3.1.1 Infinitesimal Dipole Antennas141

10.3.1.2 Finite-Length Dipole Antennas142

10.3.2 Loop Antennas145

10.3.3 Antenna Arrays146

10.4 Multibearn Antennas147

References150

SECTION Ⅴ RADAR FUNDAMENTALS153

11 Radars153

11.1 Basic Definitions and Characteristics of Radar153

11.2 Classification of Radars according to Their Application156

11.3 Classification of Radars Associated with Types of Radiated Signals156

11.4 Pulse Repeated Frequency and Maximum Range159

11.5 Doppler Effect and Doppler Shift Frequency161

11.6 Path-Loss Prediction in Propagation Environment161

11.6.1 Free-Space Propagation161

11.6.2 Effects of the Earth162

11.6.3 Effects of the Atmosphere163

11.6.3.1 Effects of Refraction163

11.6.3.2 Effects of Attenuation165

11.6.4 Effects of the Ionosphere166

11.6.4.1 Structure of the Ionosphere166

11.6.4.2 Main Parameters of Propagation through the Ionosphere167

11.6.4.3 Effects of Wave Refraction168

11.7 Radar Equations169

11.8 Clutter Effects on RCS171

11.8.1 Radar Cross Section171

11.9 Clutter and Target Effects on Radar Signals172

11.9.1 SNR172

11.9.2 Clutter Influence173

References174

12 Millimeter-Wave Radars175

12.1 Main Properties of Active MMW Radar176

12.2 Effects of Environment on MMW Active Radar Operation Properties177

12.2.1 Range of Target Detection177

12.2.2 Target-to-Clutter and Target-to-Rain Signal-to-Noise Ratio （SNR）Effects177

12.3 Passive MMW Radars180

12.3.1 Typical Applications of MMW Radiometers181

12.3.2 Theoretical Aspects of MMW Radiometry184

12.3.3 MMW- Radiometer Parameters Estimation187

12.3.4 Measurements of Errors in Brightness Temperature187

References188

13 Guiding GPRs Based on Leaky Coaxial Cables191

13.1 Background191

13.2 Theoretical Framework193

13.2.1 Basic Equations193

13.2.1.1 Cylindrical Structures196

13.2.1.2 Symmetrical TM mode197

13.2.2 External Region of LCC Irradiation199

13.2.3 Internal Cable Structures200

13.3 Radiation Pattern in the Presence of Interface203

13.4 Characteristics of Radiation Field for Different Types of LCC206

13.5 Effects of Inner and Outer Obstructions on the Pattern of Buried LCC209

13.5.1 End Discontinuity Effect209

13.5.2 Coupling Inhomogeneities Effect212

13.5.3 Effect of Inhomogeneities on External Mode Propagation Constant213

13.6 Comparison with Experimental Measurements214

13.7 General Comments217

References220

14 Physical Fundamentals of Ground-Penetrating Radars and Remote Sensing Systems223

14.1 Overview223

14.2 Problems in GPR System Design225

14.2.1 Dielectric and Conductive Properties of Subsoil Media225

14.2.2 Attenuation and Losses of Electromagnetic Waves in Subsoil Medium226

14.3 Theoretical Framework of Target Detection and Imaging229

14.3.1 Diffraction Tomography Method Based on Rytov’s Approximation230

14.3.2 Imaging of Buried Objects Based on the Open Waveguide Structures231

14.3.3 Method of Diffraction Tomography Based on Feynman’s Path Integrals233

14.3.4 Finite-difference time-domain （FDTD） Modeling of Buried Objects in Subsoil Media235

14.3.5 Geometrical Optic Model239

References246

15 ESP/UWB Radar Systems Applications249

15.1 ESP/UWB Radar Operation Methodology249

15.2 Problems in ESP/UWB Radar Operation250

15.3 ESP/UWB System Operational Characteristics251

15.4 Applications of Ground-Penetrating Radars and RSSs253

15.4.1 Detection，Imaging，and Identification of Small Local Buried Objects254

15.4.2 Detection and Identification of Minerals and Subsoil Structures256

15.4.3 Detection of Foreign Objects in Underwater Environments258

15.4.4 GPR Experiments for Verification of the Geometrical Optic Model260

References265

Index267