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Low-profile Hybrid-mode Antenna Providing Near-hemispherical Field-of-view Coverage

机译:薄型混合模式天线,提供近半球形的视场覆盖

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摘要

The hybrid-mode model (HMM) combining monopole and dipole radiation modes can provide near-hemispherical coverage but has a high profile. To reduce the profile of HMM, a modified HMM is presented in this paper using a dipole radiator and a magnetic current loop radiator. Based on the modified model, a low-profile on-board antenna is proposed. When the side length of the ground is infinite, the 3-dB beamwidths in the xz plane and yz plane of the proposed antenna are both 180 degrees. When the side length of the ground is finite, the proposed antenna can provide a near-hemispherical field-of-view coverage. The design example demonstrates the practicability of the modified HMM and the proposed antenna can be used in wide-angle scanning arrays and rich-multipath communication systems.
机译:结合了单极和偶极辐射模式的混合模式模型(HMM)可以提供近半球形的覆盖范围,但具有很高的轮廓。为了减小HMM的轮廓,本文提出了一种改进的HMM,它使用了偶极辐射器和磁电流环路辐射器。基于改进模型,提出了一种薄型车载天线。当地面的边长无限大时,建议天线的xz平面和yz平面中的3 dB波束宽度均为180度。当地面的边长是有限的时,建议的天线可以提供近半球形的视场覆盖范围。设计实例证明了改进型HMM的实用性,所提出的天线可用于广角扫描阵列和丰富多径通信系统中。

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