用于相控阵和多波束系统的波纹边宽带线性锥形槽天线

2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications Pub Date : 2007-03-21 DOI:10.1109/IWAT.2007.370164

P. Sharma, S. Koul, S. Chandra

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引用次数: 2

摘要

本文报道了具有波纹边缘的单平面线性锥形槽天线(LTSA)具有宽阻抗带宽和改进的辐射方向图，并进行了实验验证。该天线采用共面波导(CPW)馈电，LTSA的输入阻抗通过马尔尚平衡匹配到50 ω的CPW馈线。给出并讨论了该天线在低折射率和高折射率硅衬底上的阻抗、辐射和增益特性。实验结果表明，在RT-Duroid上研制的波纹天线的阻抗测量带宽在17 GHz时由4 GHz加宽到5.5 GHz。硅-LTSA边缘的波纹结构对辐射方向图的影响更为明显，分析结果表明扭曲的辐射方向图被修正为正确的LTSA辐射特征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Broadband Linearly Tapered Slot Antenna with Corrugated Edges for Phased Array and Multi-beam Systems

This paper reports uniplanar linearly tapered slot antennas (LTSA) with corrugated edges exhibiting wide impedance bandwidth and improved radiation patterns with experimental verification. The antenna is fed by coplanar waveguide (CPW) and the input impedance of LTSA is matched to 50 Omega CPW feed line by means of Marchand baluns. Impedance, radiation and gain characteristics of the proposed antenna both on low-index RT-Duroid and high-index silicon substrates are presented and discussed. From experimental results, the measured impedance bandwidth of the corrugated antenna developed on RT-Duroid is widened from 4 GHz to 5.5 GHz at 17 GHz. The effect of corrugation structure at the edges of silicon-LTSA is more pronounced for radiation pattern and the analytical results show modification of distorted radiation pattern into correct LTSA radiation characteristics.

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来源期刊

2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications

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