Abstract
The paper analyzes the motion of electron in plasma antenna and the distribution of electromagnetic field power around the plasma antenna, and proposes a self-consistent model according to the structure of cylindrical monopole plasma antenna excited by surface wave; calculation of the model is based on Maxwell-Boltzmann equation and gas molecular dynamics theory. The calculation results show that this method can reflect the relationships between the external excitation power, gas pressure, discharge current and the characteristic of plasma. It is an accurate method to predicate and calculate the parameters of plasma antenna.
Highlights
In the present study of plasma antenna, the plasma antenna is usually simplified as uniform distributed in its density
The paper analyzes the motion of electron in plasma antenna and the distribution of electromagnetic field power around the plasma antenna, and proposes a self-consistent model according to the structure of cylindrical monopole plasma antenna excited by surface wave; calculation of the model is based on Maxwell-Boltzmann equation and gas molecular dynamics theory
We propose a self-consistent model according to the tube discharge geometry of plasma antenna and make the related analysis through the Maxwell-Boltzmann Equation and molecular dynamic theory
Summary
In the present study of plasma antenna, the plasma antenna is usually simplified as uniform distributed in its density. Signals are transmitted in the form of surface wave propagating along the plasma antenna, and this mode is similar to that of the metal antenna [1,2,3,4,5,6,7,8]. A self-consistent model is necessary to understand and analyze the complex processes involving plasma antenna physics and it is helpful to conduct a parametric investigation of the problem, and to evaluate the optimum parameters in plasma antennas design (frequency and power of pump signal, pressure and gas composition, tube discharge geometry). The self-consistent mode mentioned above is a simple one dimensional, there hasn’t any more accurate model on the surface waved excited plasma antenna system so far. All the theoretical aspects concerning electromagnetic wave propagation in plasma are introduced in the model; it can be considered as a complete description of [14]
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