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本文综述了 TEM cell 的高次模出现规律和谐振规律,给出各高次模截止频率的计算公式,并编制了实用的计算机程序;还给出谐振频率的计算方法,该方法经Hill 实测验证是足够准确的。本文还对可用频段的划分和一维偏心结构的 TEMcell(Asymmetric TEM cell)的高次模特性予以讨论。
In this paper, the appearance law and resonance law of high order mode of TEM cell are summarized. The formulas for calculating the cut-off frequency of high-order modes are given and a practical computer program is also compiled. The calculation method of resonant frequency is also given. Is accurate enough. The paper also discusses the division of available frequency bands and the high-order mode properties of TEMcell (Asymmetric TEM cell) with one-dimensional eccentric structure.