基于分形和超表面的低轮廓圆极化微带天线

Shashi Kant Pandey, G. P. Pandey, P. M. Sarun
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引用次数: 0

摘要

提出并研究了一种基于分形辐射体和高阻抗超表面的低轮廓紧凑圆极化微带天线的设计。圆极化和尺寸缩小是通过在正方形斑块的角落嵌入分形树状结构来实现的。高阻抗超表面放置在FR4基板总高度的一半处,以增强所建议天线的增益。研究表明,该天线结构紧凑,布局为0。3λ0 × 0.3 λ0 × 0.012 λ0,全局带宽(反射系数、轴比和增益带宽)为16 MHz (2.293 GHz - 2.309 GHz),稳定增益约为2.5 dBic。提出的设计是单馈源和小尺寸,因此可以在许多便携式/物联网无线通信系统中找到应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fractal and Metasurface Based Low Profile Circularly Polarized Microstrip Antenna
Design of a low-profile and compact circularly polarized microstrip antenna is proposed and investigated based on fractal radiator and high impedance metasurface. Circular polarization and size reduction is achieved by embedding fractal tree like structures at the corners of a square patch. High impedance metasurface is placed at the half of the total height of the FR4 substrate, to enhance the gain of the proposed antenna. Study revealed that the antenna is very compact with layout of 0. 3λ0 x 0.3 λ0 x 0 .012 λ0 at 2.3 GHz, global bandwidth (reflection coefficient, axial ratio and gain bandwidth) of 16 MHz (2.293 GHz - 2.309 GHz) and stable gain of about 2.5 dBic. Proposed Design is single feed and small sized, therefore can be find applications in many portable/IOT wireless communication systems.
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