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首页> 外文会议>International Geoscience and Remote Sensing Symposium >An Unbalanced Sinuous Antenna for Ultra-Wideband Polarimetric Ground-Penetrating Radar
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An Unbalanced Sinuous Antenna for Ultra-Wideband Polarimetric Ground-Penetrating Radar

机译：用于超宽带极性地面穿透雷达的不平衡扭曲天线

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摘要

Sinuous antennas are capable of producing ultra-wideband radiation with polarization diversity in a low-profile form factor, making them a good fit for close-in sensing applications such as ground-penetrating radar (GPR). This work proposes an unconventional method of operating a four-port sinuous antenna—driving each arm independently and unbalanced—to achieve a quasi-monostatic antenna system capable of polarimetry while separating transmit and receive channels, as is common in GPR systems. The quasi-monostatic configuration of the antenna reduces system size as well as increasing sensitivity to near-surface targets by preventing extreme bistatic angles. A prototype four-port sinuous antenna is fabricated and integrated into a GPR testbed. The polarimetric data obtained with the antenna is then used to distinguish between buried target symmetries.
机译：振动天线能够在低调形状因子中产生具有偏振分集的超宽带辐射，使得它们适合于近距离感测应用，例如地面穿透雷达（GPR）。这项工作提出了一种独立地和不平衡的四端口扭曲天线驱动每个臂的非传统方法，以实现能够在分离发送和接收信道的同时实现偏振物的准单色天线系统，如GPR系统中常见。天线的准单色配置降低了系统尺寸，以及通过防止极端双角度角度降低对近表面靶标的敏感性。制造和集成了原型四端口致敏天线并将其集成到GPR测试的GPR中。然后使用用天线获得的偏振数据区分掩埋目标对称。

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