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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >Wire-medium loaded planar structures: modal analysis, near fields, and radiation features
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Wire-medium loaded planar structures: modal analysis, near fields, and radiation features

机译：线介质中等平面结构：模态分析，近场和辐射特征

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摘要

A novel transmission-line model is used for the analysis of planar structures, including wire-medium (WM) slabs with vertically aligned wires. The network formalism allows for an effective determination of the relevant spectral Green's functions, of the modal dispersion equation via transverse resonance, as well as of the far-field radiation pattern produced by simple sources via reciprocity, as opposed to the more cumbersome field-matching approach. Numerical results, validated also against state-of-the-art simulation software, confirm the accuracy and effectiveness of the proposed approach. In particular, modal and radiation features are presented for a class of leaky-wave antennas based on planar WM loaded configurations covered by partially reflecting screens, for which leaky unimodal regimes are achieved by minimizing spurious radiation from the quasi-transverse electromagnetic (TEM) mode.
机译：一种新颖的传输线模型用于分析平面结构，包括具有垂直排列的导线的线材（WM）平板。网络形式主义可以有效地确定相关频谱格林函数，通过横向共振的模态色散方程以及通过互易性由简单光源产生的远场辐射方向图，而不是更麻烦的场匹配。方法。数值结果也通过最先进的仿真软件进行了验证，证实了所提出方法的准确性和有效性。特别是，针对一类泄漏波天线提供了模态和辐射特征，这些泄漏波天线基于部分反射屏覆盖的平面WM负载配置，为此，通过最小化准横向电磁（TEM）模式的杂散辐射来实现泄漏单峰态。

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