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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Analysis and Simulation of Energy Leakage for the Surface-Wave Waveguide Based on Tunable Impedance Cells
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Analysis and Simulation of Energy Leakage for the Surface-Wave Waveguide Based on Tunable Impedance Cells

机译：基于可调谐阻抗单元的面波波导能量泄漏分析与仿真

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Controlling energy leakage is of great importance for users of surface-wave waveguides (SWGs) because it determines the propagating efficiency of surface waves. In this paper, a novel theoretical analysis of the energy leakage for these two types of SWGs is proposed, and the effects of some key parameters to the leakage such as the path width of the SWG and effective impedance of cell and incident angle are discussed more deeply. To verify the theoretical method, a model of the SWG consisting of 30 x 30 impedance-tunable cells driven by TM surface waves, whose impedance ranges from j370 Omega to j780 Omega according to our previous measurements, is simulated in HFSS. The simulation results are in good agreement with the theoretical ones, demonstrating that the leakage is inversely proportional to the width of the SWG and an increase of effective impedance of the guided path; furthermore, by using the impedance-tunable cells, the multi-functionality of the SWG is illustrated. The analyzing methods can be a guide for designing other SWGs without energy leakage, and as an inspiration for more complex SWG applications.
机译：对于表面波波导（SWG）的用户而言，控制能量泄漏非常重要，因为它决定了表面波的传播效率。本文对这两种类型的SWG的能量泄漏进行了新颖的理论分析，并讨论了一些关键参数对泄漏的影响，例如SWG的路径宽度以及电池的有效阻抗和入射角。深。为了验证理论方法，在HFSS中模拟了由30个30个由TM表面波驱动的阻抗可调单元组成的SWG模型，根据我们先前的测量，其阻抗范围从j370 Omega到j780 Omega。仿真结果与理论值吻合良好，表明泄漏与SWG的宽度成反比，并且引导路径的有效阻抗增加。此外，通过使用阻抗可调单元，可以说明SWG的多功能性。分析方法可以作为设计其他没有能量泄漏的SWG的指南，也可以作为更复杂的SWG应用的灵感。

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