Microwave Engineering, International Adaptation - David M. Pozar

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Résumé :

1 Review of Electromagnetic Theory 1

1.1 Introduction to Microwave Engineering 1

Applications of Microwave Engineering 2

A Short History of Microwave Engineering 6

Electromagnetic Compatibility and Electromagnetic Interference 6

1.2 Maxwell's Equations 7

1.3 Fields in Media and Boundary Conditions 11

Fields at a General Material Interface 13

Fields at a Dielectric Interface 14

Fields at the Interface with a Perfect Conductor (Electric Wall) 14

The Magnetic Wall Boundary Condition 15

The Radiation Condition 15

1.4 The Wave Equation and Basic Plane Wave Solutions 15

The Helmholtz Equation 15

Plane Waves in a Lossless Medium 16

Plane Waves in a General Lossy Medium 17

Plane Waves in a Good Conductor 18

1.5 General Plane Wave Solutions 20

Circularly Polarized Plane Waves 23

1.6 Energy and Power 24

Power Absorbed by a Good Conductor 25

1.7 Plane Wave Reflection from a Media Interface 27

General Medium 27

Lossless Medium 28

Good Conductor 30

Perfect Conductor 31

The Surface Impedance Concept 31

1.8 Oblique Incidence at a Dielectric Interface 33

Parallel Polarization 34

Perpendicular Polarization 35

Total Reflection and Surface Waves 37

1.9 Some Useful Theorems 38

The Reciprocity Theorem 38

Image Theory 39

2 Transmission Line Theory 47

2.1 The Lumped-Element Circuit Model for a Transmission Line 47

Wave Propagation on a Transmission Line 48

The Lossless Line 49

2.2 Field Analysis of Transmission Lines 50

Transmission Line Parameters 50

The Telegrapher Equations Derived from Field Analysis of a Coaxial Line 52

Propagation Constant, Impedance, and Power Flow for the Lossless Coaxial Line 53

2.3 The Terminated Lossless Transmission Line 54

Special Cases of Lossless Terminated Lines 57

2.4 The Smith Chart 60

The Combined Impedance-Admittance Smith Chart 63

The Slotted Line 65

Online Smith Chart 68

2.5 Generator and Load Mismatches 68

Load Matched to Line 70

Generator Matched to Loaded Line 70

Conjugate Matching 70

2.6 Lossy Transmission Lines 72

The Low-Loss Line 72

The Distortionless Line 73

The Terminated Lossy Line 74

The Perturbation Method for Calculating Attenuation 74

The Wheeler Incremental Inductance Rule 76

2.7 Transients on Transmission Lines 78

Reflection of Pulses from a Terminated Transmission Line 78

Bounce Diagrams for Transient Propagation 80

3 Transmission Lines and Waveguides 87

3.1 General Solutions for TEM, TE, and TM Waves 88

TEM Waves 89

Impossibility of TEM Mode 91

TE Waves 91

TM Waves 92

Attenuation Due to Dielectric Loss 92

3.2 Parallel Plate Waveguide 93

TEM Modes 93

TM Modes 95

TE Modes 98

3.3 Rectangular Waveguide 101

TE Modes 101

TM Modes 105

TEm0 Modes of a Partially Loaded Waveguide 109

3.4 Circular Waveguide 112

TE Modes 113

TM Modes 116

3.5 Coaxial Line 121

TEM Modes 121

Higher Order Modes 122

3.6 Surface Waves on a Grounded Dielectric Sheet 125

TM Modes 125

TE Modes 127

3.7 Stripline 130

Formulas for Propagation Constant, Characteristic Impedance, and Attenuation 132

An Approximate Electrostatic Solution 134

3.8...