单锥天线中空内部区域的电磁场

S. Giles, D. Stachowiak, G. Adamovsky
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引用次数: 0

摘要

在地平面上构造并研究了一种薄的空心单锥天线。利用天线对火箭排气喷管的收敛区域进行了粗略建模。测量了铝天线的输入阻抗和输入电流。在天线的外部和内部区域发现了单锥场扩展。采用模式匹配法确定天线边缘条件下的扩展系数。在找到近似电场和磁场后,生成相应的时均坡印亭矢量并绘制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electromagnetic fields in the hollow interior region of a monocone antenna
A thin, hollow, monocone antenna above a ground plane was constructed and studied. The antenna was used to roughly model the convergent region of a rocket exhaust nozzle. The input impedances and currents on the aluminum antenna were measured. The monocone field expansions were found for the exterior and interior regions of the antenna. Mode matching was used to determine the coefficients of expansion with an edge condition applied to the rim of the antenna. After the approximate electric and magnetic fields were found, the associated time-averaged Poynting vector was produced and mapped.
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