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A new photonic bandgap cover for a patch antenna with a photonic bandgap substrate

机译:用于带有光子带隙基板的贴片天线的新型光子带隙盖

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摘要

A new photonic bandgap (PBG) cover for a patch antenna with a photonic bandgap substrate is introduced. The plane wave expansion method and the FDTD method were used to calculate such an antenna system. Numerical results for the input return loss, radiation pattern, surface wave, and the directivity of the antennas are presented. A Comparison between the conventional patch antenna and the new PBG antenna is given. It is shown that the new PBG cover is very efficient for improving the radiation directivity. The physical reasons for the improvement are also given.
机译:引入了一种新的带隙带基板的贴片天线光子带隙(PBG)盖。使用平面波扩展方法和FDTD方法来计算这种天线系统。给出了输入回波损耗,辐射方向图,表面波和天线方向性的数值结果。给出了常规贴片天线和新型PBG天线之间的比较。结果表明,新的PBG盖对于提高辐射方向性非常有效。并给出了改善的物理原因。

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