工程电磁学 英文影印版PDF|Epub|txt|kindle电子书版本网盘下载

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1 Background and Motivation1

1-1 Introduction1

1-2 A Little History2

1-3 Engineering Applications of Electromagnetics4

1-4 In This Text...5

2 Vector Analysis7

2-1 Introduction7

2-2 Physical Quantities and Units7

2-3 Vector Algebra11

2-4 Orthogonal Coordinate Systems16

2-5 The Calculus of Scalar and Vector Fields33

2-6 Summation55

Problems55

3-1 Introduction61

3 Electromagnetic Sources,Forces,and Fields61

3-2 Charge and Charge Density62

3-3 Current and Current Density63

3-4 The Law of Charge Conservation68

3-5 Two Action-At-A-Distance Force Laws71

3-6 The Lorentz Force Law and the Field Concept of Electromagnetics75

3-7 Maxwell's Equation81

3-8 Summation84

Problems85

4 Electrostatic Fields in Free Space87

4-1 Introduction87

4-2 Maxwell's Equations for Electrostatics in Free Space88

4-3 Coulomb's Law90

4-4 E-Field Calculations Using Coulomb's Law93

4-5 Field Computation Using Gauss's Law98

4-6 Voltage and Electric Potential107

4-7 Poisson's and Laplace's Equation116

4-8 Summation118

Problems118

5 Electrostatic Fields In Material Media122

5-1 Introduction122

5-2 Conductors123

5-3 Dielectrics132

5-4 Electrostatic Boundary Value Problems149

5-5 Summation174

Problems174

6 Capacitance and Electric Energy179

6-1 Introduction179

6-2 Capacitance180

6-3 The Energy Contained in an Electrostatic Charge Distribution195

6-4 Energy Storage in Capacitors200

6-5 Summation201

Problems202

7 Magnetostatic Fields in Free Space205

7-1 Introduction205

7-2 Maxwell's Equations for Magnetostatics in Free Space206

7-3 The Biot-Savart Law and the Magnetic Vector Potential208

7-4 Field Calculations Using Ampère's Law218

7-5 Magnetic Potentials227

7-6 Summation236

Problems236

8 Magnetostatic Fields In Material Media241

8-1 Introduction241

8-2 The Hall Effect242

8-3 Magnetic Materials244

8-4 Magnetostatic Boundary Value Problems260

8-5 Permanent Magnets and Magnetic Recording265

8-6 Magnetic Circuits268

8-7 Summation272

Problems273

9 Magnetic Inductance,Energy,and Forces277

9-1 Introduction277

9-2 Faraday's Law of Induction278

9-3 Inductance290

9-4 Magnetic Forces and Torques310

9-5 Summation318

Problems319

10 Time-Varying Electromagnetic Fields325

10-1 Introduction325

10-2 Displacement Current326

10-3 Maxwell's Equations for Time-Varying Fields330

10-4 Time-Harmonic Fields334

10-5 Boundary Conditions for Time-Varying fields341

10-6 AC Circuit Analysis344

10-7 Summation346

Problems346

11 Transmission Lines349

11-1 Introduction349

11-2 TEM Modes on Transmission Lines350

11-3 Transient Voltages and Currents On Transmission Lines355

11-4 Time-Harmonic Waves on Transmission Lines382

11-5 Summation434

Problems434

12 Plane Waves441

12-1 Introduction441

12-2 Wave Equations in Simple,Source-Free Media442

12-3 Plane Waves in Lossless Media443

12-4 Plane Waves in Lossy Media453

12-5 Medium Characterization456

12-6 Power Transmission462

12-7 Plane Wave Reflection and Transmission at Planar Boundaries:Normal Incidence470

12-8 Plane Wave Reflection and Transmission at Planar Boundaries:Oblique Incidence490

12-9 Summation503

Problems503

13 Waveguiddes508

13-1 Introduction508

13-2 Waveguide Modes509

13-3 Metal Waveguides513

13-4 Dielectric Waveguides546

13-5 Cavity Resonators558

13-6 Summation563

Problems563

14-1 Introduction567

14 Radiation and Antennas567

14-2 Electromagnetic Potentials568

14-3 The Infinitesimal Dipole573

14-4 Transmitting Antenna Parameters582

14-5 Simple Antennas589

14-6 Antenna Arrays606

14-7 Properties of Receiving Antennas616

14-8 Summation628

Problems628

Appendix A:Units and Symbols634

Appendix B:Coordinate System Relationships and Vector Identities637

Appendix C:Fundamental Constants and Material Parameters640

Appendix D:Transmission Line Parameters644

Appendix E:Answers to Selected Problems651

Selected Bibliography657

Index661