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Directivity enhancement of wire monopole antenna using magnetic metamaterials

机译:磁性超材料线单极天线的指向性增强

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This article proposes the use of a magnetic metamaterial (MTM) slab over the ground plane of a wire monopole antenna to improve its directivity. In this regard, mu very large (MVL) behavior of the metamaterial is utilized for enhancing the directivity of the monopole. Despite the directivity enhancement of about 5 dB, an improved bandwidth of 35% is obtained for the proposed configuration. Initially, a 2 x 3 array of a single MTM slab has been placed over the ground plane of the monopole. It is shown that, over the whole working band, a significant directivity improvement is maintained compared to the unloaded monopole. Further, the directivity performance has been investigated with different combination of MTM slab.
机译:本文提出在电线单极天线的地平面上使用磁性超材料(MTM)板以改善其方向性。在这方面,超大材料的MU非常大(MVL)行为用于增强单极的方向性。尽管有约5 dB的方向性增强,但为所提出的配置获得了35%的改进带宽。最初,单个MTM板的2×3阵列已经放置在单极的地面上。结果表明,在整个工作频段上,与卸载的单极相比,保持了显着的方向性改进。此外,已经用MTM板的不同组合研究了方向性性能。

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