小型宽带微带贴片天线

S. Mahmoud
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引用次数: 4

摘要

我们介绍了形状简单的微带贴片天线,既能实现宽带操作,又能保持相对紧凑的尺寸。当通过一个或两个短脚短接到接平面时,考虑圆形和矩形片。通过对结构的谐振频率和场分布进行分析,得到了结构的腔模。根据馈线激发的模式不同,贴片天线可以作为紧凑型天线、宽带或多波段天线工作。结果表明,所建议的贴片结构也可以作为电子可调谐天线。这里提出的理论导致了主要腔模式的谐振频率的通用曲线。该理论得到了仿真结果和实验工作的支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Compact broadband microstrip patch antennas
We introduce microstrip patch antennas of simple shapes which can exhibit broadband operation and still enjoy relatively compact size. The circular and rectangular patches are considered when shorted to the ground plane via one or two shorting pins. The antenna is analyzed by finding the cavity modes of the structure in terms of their resonant frequencies and field distributions. Depending on the modes excited by the feeder, the patch antenna can operate as a compact antenna, as a broadband or multiband antenna. It is indicated that the suggested patch configuration can also operate as electronically tunable antenna. The theory presented here leads to universal curves for the resonant frequencies of the dominant cavity modes. The theory is supported by simulation results as well as experimental work.
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