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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Reduction of Mutual Coupling for Broadband Vivaldi Antennas Using Characteristic Modes Analysis and Lumped Loads
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Reduction of Mutual Coupling for Broadband Vivaldi Antennas Using Characteristic Modes Analysis and Lumped Loads

机译：利用特征模式分析和总负荷降低宽带维瓦尔第天线的相互耦合

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摘要

A method to reduce mutual coupling for broadband Vivaldi antennas is presented in this paper. Theory of characteristic modes is used to analyze the surface currents on the Vivaldi antennas which may contribute to mutual coupling, and inductive loads are used to suppress these modes. Mutual coupling between adjacent Vivaldi antennas is reduced by 10 similar to 20 dB on average in a wide bandwidth. Three configurations, including the classical design, design with slot, and design with inductive loads are studied. Numerical and experimental results are presented to verify the effectiveness of this method, which ensures that the method has very little influence to normal operation of Vivaldi antennas.
机译：本文提出了一种减少宽带维瓦尔第天线相互耦合的方法。特征模式的理论用于分析可能影响互耦的维瓦尔第天线上的表面电流，而电感负载则用于抑制这些模式。在宽带宽内，相邻的Vivaldi天线之间的相互耦合平均降低了10，类似于20 dB。研究了三种配置，包括经典设计，带槽设计和带感性负载设计。数值和实验结果证明了该方法的有效性，从而确保该方法对维瓦尔第天线的正常运行影响很小。

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