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首页> 外文期刊>IEEE Transactions on Antennas and Propagation >A Compact Reconfigurable Microstrip Antenna With Multidirectional Beam and Multipolarization
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A Compact Reconfigurable Microstrip Antenna With Multidirectional Beam and Multipolarization

机译：紧凑的可重构多方向波束和多极化微带天线

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摘要

In this communication, a novel pattern and polarization reconfigurable microstrip antenna with a simple structure is presented. By switching four p-i-n diodes integrated with the antenna, the current distribution on the antenna can be altered, thereby changing the antenna performance. The proposed antenna can realize eight operating states of the radiation patterns including one boresight linear polarized (LP) pattern with narrow beamwidth, one boresight LP pattern with wide beamwidth, four directional LP patterns in the xoz plane and yoz plane, and one left-hand circularly polarized and one right-hand circularly polarized pattern with wide beamwidth. The operating frequency band of the antenna is from 3.1 to 3.45 GHz. An antenna prototype has been fabricated to validate the design concept. Good agreement between the simulated and measured results is found, and the cross polarization level is below -21 dB.
机译：在这种通信中，提出了一种具有简单结构的新颖的图案和极化可重构微带天线。通过切换与天线集成的四个p-i-n二极管，可以改变天线上的电流分布，从而改变天线性能。所提出的天线可以实现辐射方向图的八种工作状态，包括一种窄波束宽度的视轴线性极化（LP）图，宽波束宽度的一种视轴LP方向图，xoz平面和yoz平面中的四种定向LP模式以及左手方向圆偏振和一个右旋圆偏振的图案，光束宽度宽。天线的工作频带为3.1至3.45 GHz。已经制造出天线原型以验证设计概念。在仿真结果和测量结果之间找到了很好的一致性，并且交叉极化水平低于-21 dB。

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