可重构天线,用于GPR系统的足迹调整

A. A. Pramudita
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引用次数: 0

摘要

具有稳定占位的天线对探地雷达系统的性能至关重要。针对土壤条件变化的问题,研究了具有足迹调整能力的超宽带可重构天线作为探地雷达天线系统的设计。该天线系统由多个u型微带超宽带电阻加载天线组成。通过控制连接各u型微带超宽带天线的开关器件,实现了天线的重构。重构方案提供了通过控制天线的有效孔径来调整天线占用空间的可能性。增加u型微带超宽带相互连接的数量会产生更大的占用空间,反之亦然,占用空间越小。对可重构天线的占位调整进行了理论分析,结果表明,可重构天线能够有效地调整天线的占位尺寸。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reconfigurable antenna for footprint adjustment of the GPR system
An Antenna with stable footprint is crucial for GPR system to perform. In regards to the problem of varying soil condition, the design of UWB reconfigurable antenna with footprint adjustment capability was studied as an antenna system for GPR. The antenna system consists of several U-shape micro strip UWB antennas with resistive loading. Reconfiguration of the propose antenna is performed by controlling the switching device which is used to connect each U-shape micro strip UWB antenna. The reconfiguration scheme gives possibility to adjust the antenna footprint by manipulated the effective aperture of the antenna. Larger footprint is generated by increasing the number of U-shape micro strip UWB that are connected to each other and vise versa for smaller footprint. The theoretical analysis has been done to investigate the reconfigurable antenna concept for footprint adjustment and the result shows that the reconfigurable antenna concept is capable to adjust the footprint size of the antenna.
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