Application of VPM for Scattering From Tapered Cylindrical Components of Vegetation

Application of VPM for Scattering From Tapered Cylindrical Components of Vegetation
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VPM 在植被锥形圆柱体散射中的应用

DOI:
10.1109/lgrs.2017.2669201
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发表时间:
2017-05
影响因子:
4.8
通讯作者:
Du Yang
Du Yang
中科院分区:
工程技术2区
文献类型:
--
作者:
Yang Chao;Du Yang

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为了利用极化遥感技术推进植被地形的调查,重要的是要确定关键成分的电磁特性,如树枝和树干,这可能是现实的锥形圆柱体建模。为此,我们应用我们以前提出的虚拟分区方法(VPM)。数值模拟结果表明,VPM具有散射振幅函数的高精度预测、能量守恒和互易定理等特性。因此,它可能是有益的,在追求更好的相干散射模型的植被地形,更好地理解PolInSAR图像,散射机制和更好的表征。
To advance the investigation of vegetated terrain using polarimetric remote sensing techniques, it is important to determine the electromagnetic properties of key constituents, such as branches and trunks, which may be realistically modeled by tapered cylinders. To this end, we apply our previously proposed virtual partition method (VPM). Numerical simulations demonstrate that VPM possesses the desired features, such as high fidelity prediction of the scattering amplitude function and fulfillment of energy conservation as well as the reciprocity theorem. It thus may be helpful in the pursuit of better coherent scattering models of vegetated terrain, a finer understanding of PolInSAR imagery, and a better characterization of scattering mechanisms.
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