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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Design of a very closely-spaced antenna array with a high reduction of mutual coupling using novel parasitic L-shaped strips
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Design of a very closely-spaced antenna array with a high reduction of mutual coupling using novel parasitic L-shaped strips

机译：使用新颖的寄生L形条设计间距非常紧密的天线阵列，从而大大减少相互耦合

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摘要

A very closely-spaced 2×1 microstrip-patch array antenna is proposed for presentand future modern compact array systems. Between the antennas, a novel isolationstructure developed from two parasitic L-shaped strips with only one via for each oneis presented to reduce the mutual coupling more than 53 dB at the resonant frequencyin 10 GHz in comparison with the conventional array without any isolators. Unlikethe other methods, this isolator has a simple and cost-effective structure with a goodperformance, low destructive effects on the radiation and resonance position, lowdesign and fabrication complexity, and simple optimization method which can notablyblock the surface and space waves between the antennas. Simplified semianalyticalexpressions and a guided-wave-length-based parametric study are conductedon key geometrical parameters of the isolator circuit model to determine theireffects on the overall behavior. To validate the technique and present its advantages,the final design has been fabricated, measured, and compared with the selectedrecently proposed suitable works. A good agreement was also achieved in comparisonwith the simulated results.
机译：提出了一种用于当前 r n和将来的现代紧凑阵列系统的非常紧密间隔的2×1微带贴片阵列天线。在天线之间，提出了一种新颖的隔离结构，该结构由两个寄生L形条带组成，每个带一个通孔，每个谐振器只具有一个通孔，从而在10 GHz的谐振频率下将相互耦合降低53 dB以上与没有隔离器的常规阵列相比。与其他方法不同，该隔离器具有简单且经济高效的结构，具有良好的性能，对辐射和共振位置的破坏性低，设计和制造复杂性低以及简单的优化方法，可以 r n阻挡天线之间的表面波和空间波。对隔离器电路模型的非关键几何参数进行了简化的半分析 r n压制和基于导波长度的参数研究，以确定它们对整体性能的影响。为了验证该技术并展示其优势，已制造，测量了最终设计，并将其与选定的最近提出的合适作品进行了比较。与模拟结果进行比较也取得了很好的一致性。

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