方向图可重构的紧凑天线

2009 IEEE MTT-S International Microwave Workshop on Wireless Sensing, Local Positioning, and RFID Pub Date : 2009-11-03 DOI:10.1109/IMWS2.2009.5307875

T. Debogovic, J. Bartolić

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引用次数: 4

摘要

本文设计了一种具有两种不同辐射方向图的紧凑型天线，这种天线是由两种不同模式的激励产生的。该天线由电容馈电环形微带天线组成，该天线可以通过在其边缘使用引脚二极管的短路引脚进行短路。因此，根据引脚二极管的状态，天线工作在正常贴片模式(TM11)或单极线贴片模式。两种模式的谐振频率几乎相同，并且它们具有重叠的10db阻抗带宽。在这种设计中，两个激励只需要一个馈电点。详细的设计考虑进行了描述。给出了仿真和实验结果，并进行了讨论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Pattern reconfigurable compact antenna

This paper presents a design of an compact antenna providing two diverse radiation patterns, which results from the excitation of two different modes. The antenna consists of a capacitively fed annular ring microstrip antenna, which can be shorted via shorting pins on its edges using pin diodes. Therefore, depending on the state of the pin diodes, the antenna operates in normal patch mode (TM11) or unipolar wire-patch mode. The resonance frequencies of both modes are nearly the same and they have overlapping 10 dB impedance bandwidths. In this design, only a single feed point is needed for both excitations. Detail design considerations are described. Simulated and experimental results are also presented and discussed.

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来源期刊

2009 IEEE MTT-S International Microwave Workshop on Wireless Sensing, Local Positioning, and RFID

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