對矩形波導中任意高度細導體柱的研究
ANALYSIS OF A CONDUCTING THIN POST WITH ARBITRA RY HEIGHT IN A RECTANGULAR WAVEGUIDE
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摘要: 本文利用矩量法對矩形波導中任意高度的細柱體進行了研究。從柱體表面的電場積分方程出發(fā),選用脈沖基函數與點匹配的方法求解。對其中收斂較慢的一些無窮級數,采用了若干數學處理,大大加快了收斂速度。對柱體上的電流分布進行了較詳細的討論,得出了一個新的較為精確的解析表達式,求得的等效阻抗與有關文獻中的實驗值相當吻合。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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