平面盒状金属化电路的多模等效网络新公式
Novel Rigorous Multimode Equivalent Network Formulation for Boxed Planar Circuits with Arbitrarily Shaped Metallizations
摘要：
多模等效网络（MEN）公式传统上用于波导器件的有效和准确的分析。在本文中，我们扩展使用的MEN的零厚度，多层平面电路的金属外壳的分析。该配方是为任意形状的金属领域，包括内部和外部端口的横向平面。BI-RME方法被应用于分析任意形状的金属化和计算所需的耦合积分，以解决相应的积分方程。在此基础上，在MEN技术的通用框架下，分析了典型的复杂几何形状的屏蔽微带电路。为了验证理论公式，几个屏蔽滤波微带结构进行了分析，显示出良好的协议与其他商业工具和实验测量。
英文摘要：
The Multimode Equivalent Network (MEN) formulation has been traditionally employed for the efficient and accurate analysis of waveguide devices. In this paper, we extend the use of the MEN to the analysis of zero thickness, multilayer planar circuits in a metallic enclosure. The formulation is developed for arbitrary shape metallic areas and includes both internal and external ports in the transverse plane. The BI-RME method is applied to analyze the arbitrary shaped metallizations and to compute the coupling integrals needed to solve the corresponding integral equations. On this basis, typical shielded microstrip circuits of complex geometries, are analyzed in the common frame of the MEN technique. To validate the theoretical formulation, several shielded filtering microstrip structures are analyzed, showing good agreement with respect to both other commercial tools and experimental measurements.
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