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Parametric analysis of extended hemispherical dielectric lenses fed by a broadband connected array of leaky-wave slots

机译:宽带连接的漏波缝隙阵列馈送的扩展半球介电透镜的参数分析

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摘要

In this study, the authors examine the properties of a broadband array of leaky-wave slots located in the focal plane of an extended hemispherical dielectric lens, to generate several independent beams for imaging applications. The array performance is investigated over a 4:1 band. Parametric analyses are performed by varying the extension length of the lens and the off-axis distance of the feed point. The results of these analyses provide useful guidelines for the lens design. A spectral domain approach is used to characterise the field generated by the array, while a numerically efficient physical optics algorithm is employed for the analysis of the lens. Simulations performed with Computer Simulation Technology Microwave Studio are used for the validation of the combined analysis methods.
机译:在这项研究中,作者检查了位于扩展半球介电透镜焦平面上的漏波缝隙宽带阵列的特性,以生成用于成像应用的多个独立光束。在4:1频段上研究了阵列性能。通过改变透镜的延伸长度和进给点的离轴距离来执行参数分析。这些分析的结果为镜片设计提供了有用的指导。光谱域方法用于表征阵列产生的场,而数值有效的物理光学算法用于透镜分析。使用计算机仿真技术Microwave Studio执行的仿真用于验证组合分析方法。

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