采用阶跃阻抗谐振器的微带复合左/右漏波天线

Y. Kushiyama, T. Arima, T. Uno
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引用次数: 0

摘要

提出了一种采用阶跃阻抗谐振器(SIR)的复合左/右漏波天线。将SIR技术应用到传统的CRLH结构中,通过调整SIR的参数来达到平衡状态。因此,该结构不需要数字间或多层电容器来达到平衡状态。差分微带几何也用于利用虚拟地来去除接地过孔。结构的简单性允许在更高的频率下应用。设计了一种由14个单元格组成的漏波天线。验证了从反向到正向的连续波束扫描能力。
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A microstrip composite right/left handed leaky-wave antenna using a stepped impedance resonator
A composite right/left-handed (CRLH) leaky wave antenna using a stepped impedance resonator (SIR) is presented. By applying the SIR technique to a conventional CRLH structure, a balanced condition is achieved through adjustments of parameters of the SIR. Therefore, the structure requires no interdigital or multilayer capacitor to achieve a balanced condition. A differential microstrip geometry is also used for utilizing a virtual ground to remove grounded vias. The simplicity of the structure allows applications at higher frequencies. A leaky wave antenna consists of 14 unit cells of the proposed structure is designed. A continuous beam scanning capability from backward to forward direction is confirmed.
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