用于x波段应用的高增益分形天线印刷阵列

K. Kola, A. Chatterjee
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引用次数: 2

摘要

本文报道了一种1\ × 2$印刷的微带分形天线线性阵列。所提出的单单元天线设计工作在x波段,中心频率($f_{r}$)为10.00 GHz。所提出的结构是通过在正方形几何的所有四个角上蚀刻闵可夫斯基盒而得到的。在下一步中,将50%的比例因子应用于所得几何形状的每个闵可夫斯基方框。此外,提出了四折叠和中心对称结构,以实现特定方向上的对称辐射方向图。为了在x波段无线通信中获得更好的参数结果,设计了一种具有威尔金森等功率分配器的二元线性阵列。单元件和阵列分别保持11.46和14.24 dBi的增益。两种天线的交叉极化水平分别为- 46.35和- 39.58 dB,且不干扰地平面,即所提出设计的新颖性。该结构的辐射效率、计算孔径效率和前后比(FBR)在x波段无线通信中是可以接受的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Printed Array of High-gain Fractal Antennas for X-band Applications
A $1\times 2$ printed linear array of microstrip fractal antennas has been reported in this article. The proposed single element antenna is designed to operate in X-band with the center frequency ($f_{r}$) of 10.00 GHz. The proposed structure is obtained by etching the Minkowski boxes in all the four corners of a square geometry. In the next step, a 50% scaling factor is applied to each Minkowski square boxes of the resultant geometry. Further, the four-folded and centrosymmetric structure has been proposed to achieve symmetric radiation pattern in a particular direction. A two-element linear array with Wilkinson equal power divider has been designed to obtain more improved parametric results for the application of wireless communication in X-band. The single element and the array maintains a gain of 11.46 and 14.24 dBi respectively. Both antenna gives a low cross-polarization level of −46.35 and −39.58 dB respectively without tampering the ground plane i.e., the novelty of the proposed design. The radiation efficiency, the computed aperture efficiency, and the front-to-back ratio (FBR) of the structures are quite acceptable for X-band wireless communication.
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