对矩形波导中任意高度细导体柱的研究
ANALYSIS OF A CONDUCTING THIN POST WITH ARBITRA RY HEIGHT IN A RECTANGULAR WAVEGUIDE
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摘要: 本文利用矩量法对矩形波导中任意高度的细柱体进行了研究。从柱体表面的电场积分方程出发,选用脉冲基函数与点匹配的方法求解。对其中收敛较慢的一些无穷级数,采用了若干数学处理,大大加快了收敛速度。对柱体上的电流分布进行了较详细的讨论,得出了一个新的较为精确的解析表达式,求得的等效阻抗与有关文献中的实验值相当吻合。Abstract: A thin post with arbitrary height in a rectangular waveguide is treated by the moment method. The electric field integral equation of the post is solved with the pulse expansion and point matching. The convergence of some series involved is accelerated oy using some mathematical treatments. The current distribution on the post is discussed. A new and more exact closed form for it is given The computed results show in good agreement with those in Marcuvitz s Waveguide Handbook.
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