共形弧面和矩形介质谐振器天线的比较

2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2018-10-01 DOI:10.1109/IAEAC.2018.8577515

Wenzhe Liu, Boyuan Ma, J. Pan

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引用次数: 0

摘要

对共形弧面介质谐振器天线进行了理论研究，建立了合理的近似模型。对于这种形状的dra，准严格解是准确的。研究了DRA的辐射特性，表明它是合格的共形天线候选者。此外，弯曲DRA实际上是矩形DRA的变形。因此，对比研究了两种减振剂的变形效果。结果表明，谐振频率和带宽基本保持不变。然而，弯曲DRA的波束宽度明显大于矩形DRA的波束宽度。E面和h面波束宽度分别增加了近30%和50%。因此，除了作为共形天线外，弯曲DRA还能够满足全向和宽波束的要求。

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Comparison between Conformal Cambered and Rectangular Dielectric Resonator Antennas

A conformal cambered dielectric resonator antenna (DRA) is theoretically studied with a reasonable approximate model. The quasi-rigorous solution is found accurate for DRAs with such shape. The radiation characteristic of the DRA is investigated, which indicates that it is a qualified candidate for conformal antennas. Additionally, the cambered DRA is actually deformation of a rectangular DRA. Therefore, the two kinds of DRAs are compared to study the deformation effect. It shows that the resonant frequency and bandwidth stay almost the same. Nevertheless, beamwidth of the cambered DRA is obviously wider than its rectangular counterpart. The beamwidths in E- and H-planes are broadened by nearly 30% and 50%, respectively. Consequently, besides of working as a conformal antenna, the cambered DRA is also capable of omnidirectional and broad-beam requirements.

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2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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