In this letter, we consider the scenario that a linearly polarized electromagnetic plane wave excites a transmission line (TL). By tailoring the reciprocity theorem for modeling the field-coupling problem, we prove that the maximal/minimal coupling scenarios can be determined from the radiation pattern data. Particularly, the incidence and polarization angles of the field that maximize/minimize the coupling efficiency of a matched TL are solved in a closed form. Accordingly, design guidelines have been proposed for the protection of TL from electromagnetic interferences.

中文翻译：

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确定最大/最小耦合到传输线系统的电磁场的入射和极化

在这封信中，我们考虑了线性极化电磁平面波激发传输线 (TL) 的情况。通过定制用于模拟场耦合问题的互易定理，我们证明可以从辐射方向图数据确定最大/最小耦合场景。特别是，使匹配 TL 的耦合效率最大化/最小化的场的入射角和偏振角以封闭形式求解。因此，已经提出了保护 TL 免受电磁干扰的设计指南。