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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Reduced Cross-Polarization Patch Antenna with Optimized Impedance Matching Using a Complimentary Split Ring Resonator and Slots as Defected Ground Structure
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Reduced Cross-Polarization Patch Antenna with Optimized Impedance Matching Using a Complimentary Split Ring Resonator and Slots as Defected Ground Structure

机译：使用互换环谐振器和狭槽的优化阻抗匹配减少交叉偏振贴片天线，与偏向的地面结构

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摘要

An innovative method is proposed to improve the cross-polarization performance and impedance matching of a microstrip antenna by integrating a complimentary split ring resonator and slots as a defected ground structure. An equivalent circuit model (ECM) enables the design take into consideration the mutual coupling between the antenna patch and the Defected Ground Structure. The input impedance and surface current density analysis confirms that the integration of a CSRR within a rectangular microstrip patch antennaleads to uniform comparative cross-polarization level below 40 dB in the H-plane, over an angular range of +/- 50 degrees. Introducing parallel slots, as well, leads to a reduction of spurious antenna radiation, thereby improving the impedance matching. Measurements conducted on a fabricated prototype are consistent with simulation results. The proposed antenna has a peak gain of 4.16 dB at 2.6 GHz resonating frequency, and hence is good candidate for broadband service applications.
机译：提出了一种创新方法，通过将互补的分开环谐振器和槽作为偏向的地面结构整合来改善微带天线的交叉偏振性能和阻抗匹配。等效电路模型（ECM）使设计能够考虑天线贴片和缺陷的地面结构之间的相互耦合。输入阻抗和表面电流密度分析证实CSRR在矩形微带贴片抗弯内的整合到H平面中的均匀比较交叉偏振水平，在H平面下，在角度范围内的+/- 50度。引入平行槽，也导致伪天线辐射的减少，从而提高阻抗匹配。在制造的原型上进行的测量与模拟结果一致。所提出的天线的峰值增益为2.6GHz谐振频率为4.16dB，因此是宽带服务应用的良好候选者。

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