Foreword xv
Preface xvii
Acknowledgments xxi
1 Introduction 1
References 7
2 Plasma Physics for Plasma Antennas 13
2.1 Mathematical Models of Plasma Physics 13
2.2 Man-Made Plasmas and Some Applications 14
2.3 Basic Physics of Reflection and Transmission
from a Plasma Slab Barrier 15
2.4 Experiments of Scattering Off of a
P lasma Cylinder 17
2.5 Governing Plasma Fluid Equations for
Applications to Plasma Antennas 18
2.6 Incident Signal on a Cylindrical Plasma 21
2.7 Fourier Expansion of the Plasma
Antenna Current Density 22
2.8 P lasma Antenna Poynting Vector 22
2.9 Some Finite Element Solution Techniques
for Plasma Antennas 25
2.9.1 Barrier Penetration 28
2.9.2 Calculation of Scaling Function 28
References 30
3 Fundamental Plasma Antenna Theory 31
3.1 Net Radiated Power from a Center-Fed
Dipole Plasma Antenna 31
3.2 Reconfigurable Impedance of a Plasma
Antenna 33
3.3 Thermal Noise in Plasma Antennas 34
References 36
4 Building a Basic Plasma Antenna 37
4.1 Introduction 37
4.2 Electrical Safety Warning 37
4.3 Building a Basic Plasma Antenna: Design I 38
4.4 Building a Basic Plasma Antenna: Design II 41
4.5 Materials 42
4.6 Building a Basic Plasma Antenna: Design III 44
viii Plasma Antennas
5 Plasma Antenna Nesting, Stacking Plasma
Antenna Arrays, and Reduction of Cosite
Interference 45
5.1 Introduction 45
5.2 P hysics of Reflection and Transmission of
Electromagnetic Waves Through Plasma 45
5.3 Nested Plasma Antenna Concept 48
5.3.1 Example of Nested Plasma Antennas 48
5.3.2 Schematic Conceptual Design of Stacked
P lasma Antenna Arrays 48
5.4 Cosite Interference Reduction Using Plasma
Antennas 49
5.5 P lasma Antenna Nesting Experiments 50
References 51
6 Plasma Antenna Windowing: Foundation
of the Smart Plasma Antenna Design 53
6.1 Introduction 53
6.2 The Smart Plasma Antenna Design:
The Windowing Concept 53
6.2.1 Multiband Plasma Antennas Concept 56
6.2.2 Multiband and Multilobe or Both Plasma
Antennas Concept 56
6.3 Theoretical Analysis with Numerical
Results of Plasma Windows 57
6.3.1 Geometric Construction 59
6.3.2 Electromagnetic Boundary Value Problem 63
Contents ix
6.3.3 P artial Wave Expansion: Addition Theorem
for Hankel Functions 64
6.3.4 Setting Up the Matrix Problem 65
6.3.5 Exact Solution for the Scattered Fields 66
6.3.6 Far-Field Radiation Pattern 66
6.3.7 Eight-Lobe Radiation Patterns for the Plasma
Antenna Windowing Device 67
6.3.8 Dissipation in the Plasma Window Structure:
Energy Conservation in an Open Resonant
Cavity 67
References 78
7 Smart Plasma Antennas 79
7.1 Introduction 79
7.2 Smart Antennas 79
7.3 Early Design and Experimental Work for the
Smart Plasma Antenna 80
7.4 Microcontroller for the Smart Plasma Antenna 84
7.5 Commercial Smart Plasma Antenna Prototype 86
7.6 Reconfigurable Bandwidth of the Smart
P lasma Antenna 86
7.7 Effect of Polarization on Plasma Tubes in
the Smart Plasma Antenna 88
7.8 Generation of Dense Plasmas at Low
Average Power Input by Power Pulsing:
An Energy-Efficient Technique to Obtain
High-Frequency Plasma Antennas 90
7.9 Fabry-Perot Resonator for Faster Operation of
the Smart Plasma Antenna 93
Plasma Antennas
7.9.1 Mathematical Model for a Plasma
Fabry-Perot Cavity 95
7.9.2 Slab Plasma 96
7.9.3 Cylindrical Plasma 98
7.10 Speculative Applications of the Smart Plasma
Antenna in Wireless Technologies 103
7.10.1 Introduction 103
7.10.2 GPS-Aided and GPS-Free Positioning 103
7.10.3 Multihop Meshed Wireless Distribution
Network Architecture 106
7.10.4 Reconfigurable Beamwidth and Lobe
Number 108
7.10.5 Adaptive Directionality 110
7.10.6 Cell Tower Setting 111
References 112
8 Plasma Frequency Selective Surfaces 113
8.1 Introduction 113
8.2 Theoretical Calculations and Numerical Results 114
8.2.1 Method of Calculation 115
8.2.2 Scattering from a Partially Conducting
Cylinder 117
8.3 Results 123
8.3.1 Switchable Bandstop Filter 123
8.3.2 Switchable Reflector 124
References 127
9 Experimental Work 129
9.1 Introduction 129
9.2 Fundamental Plasma Antenna Experiments 129
Contents xi
9.3 Suppressing or Eliminating EMI Noise
Created by the Spark-Gap Technique 138
9.4 Conclusions on the Plasma Reflector
Antenna 140
9.5 P lasma Waveguides 140
9.6 P lasma Frequency Selective Surfaces 141
9.7 P ulsing Technique 144
9.8 P lasma Antenna Nesting Experiment 146
9.9 High-Power Plasma Antennas 148
9.9.1 Introduction 148
9.9.2 The High-Power Problem 148
9.9.3 The High-Power Solution 150
9.9.4 Experimental Confirmation 151
9.9.5 Conclusions on High-Power Plasma
Antennas 152
9.10 Basic Plasma Density and Plasma Frequency
Measurements 154
9.11 P lasma Density Plasma Frequency
Measurements with a Microwave
Interferometer and Preionization 154
9.11.1 Experiments on the Reflection in the S-Band
Waveguide at 3.0 GHz with High Purity
Argon Plasma 159
9.12 Ruggedization and Mechanical Robustness of
P lasma Antennas 162
9.12.1 Embedded Plasma Antenna in Sandstone
Slurry 163
9.12.2 Embedded Plasma Antenna in SynFoam 163
xii Plasma Antennas
9.13 Miniaturization of Plasma Antennas 168
References 169
10 Directional and Electronically Steerable
Plasma Antenna Systems by Reconfigurable
Multipole Expansions of Plasma Antennas 171
10.1 Introduction 171
10.2 Multipole Plasma Antenna Designs and Far
Fields 171
References 175
11 Satellite Plasma Antenna Concepts 177
11.1 Introduction 177
11.2 Data Rates 177
11.3 Satellite Plasma Antenna Concepts and
Design 180
References 184
12 Plasma Antenna Thermal Noise 187
12.1 Introduction 187
12.2 Modified Nyquist Theorem and Thermal
Noise 188
References 193
About the Author 195
Index 197
ص
thank you. boss
good. very good.
多谢分享啊...