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首页> 外文期刊>Microwave and optical technology letters >COMPACT WIDE BAND MONOPOLAR PATCH ANTENNA
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COMPACT WIDE BAND MONOPOLAR PATCH ANTENNA

机译：紧凑型宽带单极天线

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摘要

A compact wideband monopolar patch antenna, which is resonated by a multioperating structure, is presented. The multioperating structured antenna is constructed by a crossshape copper plate folded as an upward cap, excited by a square disc coupling feed. Without the folded upward wall, the antenna exhibits about 30% impedance bandwidth (SWR < 2). The upward wall provides an extra impedance bandwidth in the lower band. By choosing the certain height of the upward wall, the bandwidth can be enhanced appreciably up to 76% (SWR < 2) from 1.74 to 3.87 GHz. The antenna exhibits a stable gain around 4 dBi and radiation patterns in the whole operating frequency. The resonance length reduction is 63% when compared with the conventional TM01 mode (one wave length) patch antenna. Experimental results show a good agreement with the simulation results obtained by IE3D.
机译：提出了一种紧凑的宽带单极贴片天线，该天线通过多操作结构产生谐振。多功能天线由十字形铜板构成，该铜板折叠成一个向上的盖子，并受到方形圆盘耦合馈源的激励。如果没有向上折叠的壁，天线的阻抗带宽约为30％（SWR <2）。向上的壁在较低的频带中提供了额外的阻抗带宽。通过选择向上壁的一定高度，可以将带宽从1.74 GHz扩展到3.87 GHz高达76％（SWR <2）。该天线在整个工作频率上均具有约4 dBi的稳定增益和辐射方向图。与传统的TM01模式（一个波长）贴片天线相比，谐振长度减少了63％。实验结果与IE3D的仿真结果吻合良好。

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