有限磁场作用下填充环形等离子体波导中功率流密度的计算
Calculations of the power density of plasma waveguide in finite magnetic field
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摘要: 在考虑有限磁场的作用下，得到了填充等离子体的圆柱光滑波导中各场分量的表达式，然后导出了功率流密度的计算式。通过计算得出等离子体的密度和厚度对功率流密度有极大的影响，并分析了其机理。Abstract: In this paper, the formula of power density of waveguide with annular plasma filled in finite magnetic field has been derived. In order to increase output power of high-power microwave devices, some parameters must be taken into account, such as the thickness and the density of the annular plasma. Through careful calculation, it has been found that there are great influences to the power density by the plasma density, annular plasma thickness. The influential mechanism has been analyzed by calculating the electric field distributed on the transverse direction.
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Key words:
- annular plasma /
- power density /
- finite magnetic field
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