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微波强耦合论

黄宏嘉

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微波强耦合论

黄宏嘉

THEORY OF COUPLED WAVEGUIDES

HUANG HUNG-CHIA
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  • 在本文中,作者尝试从耦合波的观点来研究电磁波通过两边有导电屏的长槽(即槽耦合波导系统)的衍射问题,提出一个实际求解这个边值问题的、建立在明皙物理概念上的理论。应用这个理论的观点,研究耦合波导问题,就和研究单一波导问题一样,能够采取相同的数学途径,这个途径就是正交函数的展开理论。这样,从来都是用不同方法来处理的两类波导传输问题,现在就能用统一的、联系的观点来分析。为了就明这个理论的具体应用,作者分析了用来完成矩形波导主波和低衰减圆电波之间功率转换的长槽定向耦合器,得出了一系列的计算基本参数的原始公式。文末指出了本文所提理论和方法的若干进一步应用。
    In this paper, the author endeavors to study the diffraction of electromagnetic wave by a long slot with conducting environment on opposite sides (i.e., a slot-coupled system of arbitrary shapes) from the viewpoint of coupled waves. A novel theory, which is justified by clear physical reasoning, is presented for a practical solution of the relevant boundary-value problem. In the light of this theory, problems of coupled waveguides, like problems of a single waveguide structure, are attacked by the same mathematical approach, namely, the theories of development in the orthogonal functions. Thus, two types of problems heretofore treated diferently are brought under a unified and coherent point of view. To illustrate the applicability of the present theory, the author solves the problem of a long slot directional coupler, whose usefulness in the development of long-distance waveguide transmission is well-known, and derives a set of original formulas for computing the coupler parameters. As concluding remarks, some further appliations of the theory are freely discussed.
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  • 文章访问数:  6271
  • PDF下载量:  404
  • 被引次数: 0
出版历程
  • 收稿日期:  1961-09-15
  • 刊出日期:  2005-08-05

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