Akash K. Gupta, Paladuga S. R. Chowdary, Mandhapati V. Krishna
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引用次数: 0
摘要
这项研究提出了一种在摩尔曲线分形高阻抗表面（HIS）上设计的矩形平面天线。摩尔分形几何图形是空间填充曲线，适用于多频带应用。对摩尔曲线分形高阻抗表面进行了三次迭代模拟，并对其性能进行了检验。拟议的天线可在 S 波段、C 波段和较低的 X 波段频率范围内进行多波段操作。天线的峰值增益为 5.08 dB、4.69 dB 和 5.07 dB，采用摩尔曲线分形 HIS，迭代 1、2 和 3 用作地平面。对天线的反射系数、辐射模式、三维极坐标图和表面电流分布进行了分析。在摩尔曲线迭代 1 中，异形 HIS 的最大带宽为 740 MHz（中心频率为 10.95 GHz），在迭代 2 和迭代 3 中，最大带宽分别为 1.24 GHz（中心频率为 10.57 GHz）和 1.09 GHz（中心频率为 12.5 GHz）。
Planar Antenna Design on the Characteristics of Moore Fractal-based High Impedance Surface
This work presents a planar antenna with a rectangular shape designed over a Moore curve fractal-shaped High Impedance Surface (HIS). The Moore fractal geometries are space-filling curves and are useful for multiband applications. The Moore curve-shaped fractal HIS is simulated up to three iterations, and performance is examined. The proposed antenna has multiband operation within the S-band, C-band, and lower X-band frequency of operation. The antenna has a peak gain of 5.08 dB, 4.69 dB, and 5.07 dB with a Moore curve fractal HIS, with iterations 1, 2, and 3 used as the ground plane. The antenna has been analyzed regarding the reflection coefficient, radiation pattern, 3-D polar plots, and surface current distribution. With Moore curve iteration 1, a shaped HIS provides a maximum bandwidth of 740 MHz with the center frequency of 10.95 GHz, 1.24 GHz with the center frequency of 10.57 GHz, and 1.09 GHz with the center frequency of 12.5 GHz with the second and third iterations, respectively.
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