树干在毫米波频率下的后向散射响应模拟

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010) Pub Date : 1999-07-11 DOI:10.1109/APS.1999.789073

A. El-Rouby, F. Ulaby, A. Nashashibi

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引用次数: 1

摘要

我们研究了近放牧入射下树干的毫米波偏振响应。树干具有很强的毫米波反向散射响应，部分原因是由于其在地面上的垂直程度很大。虽然有几种散射机制对地面上树干的后向散射响应有贡献，但只考虑树干的直接后向散射分量。提出了一种用于预测树干和粗糙介质圆柱体的毫米波后向散射响应的几何光学模型，并与95 GHz下的测量结果进行了比较。

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Modeling the backscattering response of tree trunks at MMW frequencies

We examine the MM wave polarimetric response of tree trunks at near grazing incidence. A tree trunk possesses a strong MM wave backscatter response, in part, due to its substantial vertical extent above ground. Although, several scattering mechanisms contribute to the the backscatter response of a tree trunk above ground, only the direct backscatter component of the trunk is considered. A geometric-optics model for predicting the MM wave backscatter response of tree trunks and rough dielectric cylinders is proposed first, then compared to the measurements performed at 95 GHz.

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来源期刊

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)

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