電磁場(chǎng)與電磁波

內(nèi)容概要

本書是關(guān)于電磁場(chǎng)與電磁波的一本很有特色的教材，取材新穎，筆法靈活，邏輯性強(qiáng)。教材從矢量分析和場(chǎng)論人手，以簡(jiǎn)捷清晰的方式建立了電磁模型。緊接著，全面地闡述了電磁場(chǎng)和電磁波的基礎(chǔ)理論，包括靜電場(chǎng)、靜磁場(chǎng)、穩(wěn)恒電流的場(chǎng)、邊值問題的經(jīng)典解法、時(shí)變電磁場(chǎng)與麥克斯韋方程組、平面電磁波及其傳播、傳輸線、阻抗圓圖、微帶線、波導(dǎo)與諧振腔、天線與電磁輻射、電磁屏蔽等內(nèi)容。本書除了內(nèi)容全面之外，還具有很大的靈活性，這是因?yàn)槿珪膬?nèi)容安排具有較完整的模塊性，從而可以靈活地取舍和組合成適合不同行業(yè)和不同對(duì)象的電磁場(chǎng)與電磁波的教材。
本書特別適合用作理科大學(xué)本科高年級(jí)和工科院校碩士研究生基礎(chǔ)課的英文授課教材或英文參考書。

書籍目錄

1  The Electromagnetic Model
  1-1  Introduction
  1-2  The Electromagnetic Model
  1-3  SI Units and Univeal Cotants
    Review Questio
2  Vector Analysis
  2-1  Introduction
  2-2  Vector Addition and Subtraction
  2-3  Products of Vecto
    2-3.1  Scalar or Dot Product
    2-3.2  Vector or Cross Product
    2-3.3  Product of Three Vecto
  2-4  Orthogonal Coordinate Systems
    2-4.1  Cartesian Coordinates
    2-4.2  Cylindrical Coordinates
    2-4.3  Spherical Coordinates
  2-5  Integrals Containing Vector Functio
  2-6  Gradient of a Scalar Field
  2-7  Divergence of a Vector Field
  2-8  Divergence Theorem
  2-9  Curt of a Vector Field
  2-10  Stokes's Theorem
  2-11  Two Null Identities
    2-11.1  Identity Ⅰ
    2-11.2  Identity Ⅱ
  2-12  Helmholtz's Theorem
    Review Questio
    Problems
3  Static Electric Fields
  3-1  Introduction
  3-2  Fundamental Postulates of Electrostatics in Free Space
  3-3  Coulomb's Law
    3-3.1  Electric Field Due to a System of Discrete Charges
    3-3.2  Electric Field Due to a Continuous Distribution of
Charge
  3-4  Gauss's Law and Applicatio
  3-5  Electric Potential
    3 5.1  Electric Potential Due to a Charge Distribution
  3-6  Conducto in Static Electric Field
  3-7  Dielectrics in Static Electric Field
    3-7.1   Equivalent Charge Distributio of Polarized Dielectrics
  3-8    Electric Flux Deity and Dielectric Cotant
    3-8.1   Dielectric Strength
  3-9  Boundary Conditio for Electrostatic Fields
  3-10  Capacitance and Capacito
    3-10.1  Series and Parallel Connectio of Capacito
    3-10.2  Capacitances in Multiconductor Systems
    3-10.3  Electrostatic Shielding
  3-11   Electrostatic Energy and Forces
    3-11.1  Electrostatic Energy in Terms of Field Quantities
    3-11.2  Electrostatic Forces
    Review Questio
    Problems
4  Solution of Electrostatic Problems
  4-1  Introduction
  4-2  Poisson's and Laplace's Equatio
  4-3  Uniqueness of Electrostatic Solutio
  4-4  Method of Images
    4-4.1  Point Charge and Conducting Planes
    4-4.2  Line Charge and Parallel Conducting Cylinder
    4-4.3  Point Charge and Conducting Sphere
    4-4.4  Charged Sphere and Grounded Plane
  4-5  Boundary-Value Problems in Cartesian Coordinates
  4-6  Boundary-Value Problems in Cylindrical Coordinates
  4-7  Boundary-Value Problems in Spherical Coordinates
    Review Questio
    Problems
5  Steady Electric Currents
  5-1  Introduction
  5-2  Current Deity and Ohm's Law
  5-3  Electromotive Force and Kirchhoff's Voltage Law
  5-4  Equation of Continuity and Kirchhoff's Current Law
  5-5  Power Dissipation and Joule's Law
  5-6  Boundary Conditio for Current Deity
  5-7  Resistance Calculatio
    Review Questio
    Problems
6  Static Magnetic Fields
  6-1  Introduction
  6-2  Fundamental Postulates of Magnetostatics in Free Space
  6-3  Vector Magnetic Potential
  6-4  The Biot-Savart Law and Applicatio
  6-5  The Magnetic Dipole
    6-5.1  Scalar Magnetic Potential
  6-6  Magnetization and Equivalent Current Deities
    6-6.1  Equivalent Magnetization Charge Deities
  6-7  Magnetic Field Inteity and Relative Permeability
  6-8  Magnetic Circuits
  6-9  Behavior of Magnetic Materials
  6-10  Boundary Conditio for Magnetostatic Fields
  6-11  Inductances and Inducto
  6-12  Magnetic Energy
    6-12.1  Magnetic Energy in Terms of Field Quantities
  6-13  Magnetic Forces and Torques
    6-13.1  Hall Effect
    6-13.2  Forces and Torques on Current-Carrying Conducto
    6-13.3  Forces and Torques in Terms of Stored Magnetic Energy
    6-13.4  Forces and Torques in Terms of Mutual Inductance
    Review Questio
    Problems
7  Time-Varying Fields and Maxwel Equatio
  7-1  Introduction
  7-2  Faraday's Law of Electromagnetic Induction
    7-2.1  A Stationary Circuit in a Time-Varying Magnetic Field
    7-2.2  Traforme
    7-2.3  A Moving Conductor in a Static Magnetic Field
    7-2.4  A Moving Circuit in a Time-Varying Magnetic Field
  7-3  Maxwell's Equatio
    7-3.1  Integral Form of Maxwell's Equatio
  7-4  Potential Functio
  7-5  Electromagnetic Boundary Conditio
    7-5.1  Interface between Two Lossless Linear Media
    7-5.2  Interface between a Dielectric and a Perfect Conductor
  7-6  Wave Equatio and Their Solutio
    7-6.1  Solution of Wave Equatio for Potentials
    7-6.2  Source-Free Wave Equatio
  7-7  Time-Harmonic Fields
    7-7.1  The Use of Phaso—A Review
    7-7.2  Time-Harmonic Electromagnetics
    7-7.3  Source-Free Fields in Simple Media
    7-7.4  The Electromagnetic Spectrum
    Review Questio
    Problems
8  Plane Electromagnetic Waves
  8-1  Introduction
  8-2  Plane Waves in Lossless Media
    8-2.1  Doppler Effect
    8-2.2  Travee Electromagnetic Waves
    8-2.3  Polarization of Plane Waves
  8-3  Plane Waves in Lossy Media
    8-3.1  Low-Loss Dielectrics
    8-3.2  Good Conducto
    8-3.3  Ionized Gases
  8-4  Group Velocity
  8-5  Flow of Electromagnetic Power and the Poynting Vector
    8-5.1  Itantaneous and Average Power Deities
  8-6  Normal Incidence at a Plane Conducting Boundary
  8-7  Oblique Incidence at a Plane Conducting Boundary
    8-7.1  Perpendicular Polarization
    8-7.2  Parallel Polarization
  8-8  Normal Incidence at a Plane Dielectric Boundary
  8-9  Normal Incidence at Multiple Dielectric Interfaces
    8-9.1  Wave Impedance of the Total Field
    8-9.2  Impedance Traformation with Multiple Dielectrics
  8-10  Oblique Incidence at a Plane Dielectric Boundary
    8-10.l  Total Reflection
    8-10.2  Perpendicular Polarization
    8-10.3  Parallel Polarization
    Review Questio
    Problems
9  Theory and Applicatio of Tramission Lines
  9-1  Introduction
  9-2  Travee Electromagnetic Wave along a Parallel-Plate
Tramission Line
    9-2.1  Lossy Parallel-Plate Tramission Lines
    9-2.2  Microstrip Lines
  9-3  General Tramission-Line Equatio
    9-3.1  Wave Characteristics on an Infinite Tramission Line
    9-3.2  Tramission-Line Paramete
    9-3.3  Attenuation Cotant from Power Relatio
  9-4  Wave Characteristics on Finite Tramission Lines
    9-4.1  Tramission Lines as Circuit Elements
    9-4.2  Lines with Resistive Termination
    9-4.3  Lines with Arbitrary Termination
    9-4.4  Tramissionq~ine Circuits
  9-5  Traients on Tramission Lines
    9-5.1  Reflection Diagrams
    9-5.2  Pulse Excitation
    9-5.3  Initially Charged Line
    9-5.4  Line with Reactive Load
  9-6  The Smith Chart
    9-6.1  Smith-Chart Calculatio for Lossy Lines
  9-7  Tramission-Line Impedance Matching
    9-7.1  Impedance Matching by Quarter-Wave Traformer
    9-7.2  Single-Stub Matching
    9-7.3  Double-Stub Matching
    Review Questio
    Problems
10  Waveguides and Cavity Resonato
  10-1  Introduction
  10-2  General Wave Behavio along Uniform Guiding Structures
    10-2.1  Travee Electromagnetic Waves
    10-2.2  Travee Magnetic Waves
    10-2.3  Travee Electric Waves
  10-3  Parallel-Plate Waveguide
    10-3.1  TM Waves between Parallel Plates
    10-3.2  TE Waves between Parallel Plates
    10-3.3  Energy-Traport Velocity
    10-3.4  Attenuation in Parallel-Plate Waveguides
  10-4  Rectangular Waveguides
    10-4.1  TM Waves in Rectangular Waveguides
    10-4.2  TE Waves in Rectangular Waveguides
    10-4.3  Attenuation in Rectangular Waveguides
    10-4.4  Discontinuities in Rectangular Waveguides
  10-5  Circular Waveguides
    10-5.1  Bessel's Differential Equation and Bessel Functio
    10-5.2  TM Waves in Circular Waveguides
    10-5.3  TE Waves in Circular Waveguides
  10-6  Dielectric Waveguides
    10-6.1  TM Waves along a Dielectric Slab
    10-6.2  TE Waves along a Dielectric Slab
    10-6.3  Additional Comments on Dielectric Waveguides
  10-7  Cavity Resonato
    10-7.1  Rectangular Cavity Resonato
    10-7.2  Quality Factor of Cavity Resonator
    10-7.3  Circular Cavity Resonator
  Review Questio
  Problems
11  Antennas and Radiating Systems
  11-1  Introduction
  11-2  Radiation Fields of Elemental Dipoles
    11-2.1  The Elemental Electric Dipole
    11-2.2  The Elemental Magnetic Dipole
  11-3  Antenna Patter and Antenna Paramete
  11-4  Thin Linear Antennas
    11-4.1  The Half-Wave Dipole
    11-4.2  Effective Antenna Length
  11-5  Antenna Arrays
    11-5.1  Two-Element Arrays
    11-5.2  General Uniform Linear Arrays
  11-6  Receiving Antennas
    11-6.1  Internal Impedance and Directional Pattern
    11-6.2  Effective Area
    11-6.3  Backscatter Cross Section
  11-7  Tramit-Receive Systems
    11-7.1  Friis Tramission Formula and Radar Equation
    11-7.2  Wave Propagation near Earth's Surface
  11-8  Some Other Antenna Types
    11-8.1  Traveling-Wave Antennas
    11-8.2  Helical Antennas
    11-8.3  Yagi-Uda Antenna
    11-8.4  Broadband Antennas
  11-9  Aperture Radiato
    References
    Review Questio
    Problems
Appendixes
A  Symbols and Units
  A-1  Fundamental SI (Rationalized MKSA) Units
  A-2  Derived Quantities
  A-3  Multiples and Submultiples of Units
B  Some Useful Material Cotants
  B-1  Cotants of Free Space
  B-2  Physical Cotants of Electron and Proton
  B-3  Relative Permittivities(Dielectric Cotants)
  B-4  Conductivities
  B-5  Relative Permeabilities
C  Index of Tables
  General Bibliography
  Awe to Selected Problems
  Index
  Some Useful Items
    Some Useful Vector Identities
    Gradient, Divergence, Curl, and Laplacian Operatio in Cartesian
Coordinates
    Gradient, Divergence, Curl, and Laplacian Operatio in
Cylindrical and Spherical Coordinates

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