植被及其组分的散射验证与成像

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2018-12-01 DOI:10.1109/ISAPE.2018.8634373

Fengli Xue, F. Xu

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引用次数: 2

摘要

为了模拟合成孔径雷达(SAR)图像，计算了三维确定性森林场景的散射。生成的树被简化为具有确定的位置、方向和介电常数的细长圆柱体和圆盘簇，用于相干散射计算。为了保证相干散射计算的准确性，验证了广义瑞利-甘斯(GRG)近似和无限圆柱近似的有效性。通过对比计算数据和模拟数据的成像结果，验证了树木成分的散射特性。

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Scattering verification and imaging of vegetation and its components

The scattering of a 3-D deterministic forest scene is calculated for simulating the synthetic aperture radar(SAR) image. The generated trees are simplified as a cluster of slim cylinders and disks with the deterministic location, orientation and dielectric constant, which are used for coherent scattering calculation. To ensure the accuracy of coherent scattering calculation, the validity of the generalized Rayleigh-Gans (GRG) approximation and the infinite cylinder approximation are verified. The scattering of tree's components is verified by comparing the imaging results of the calculated data and the simulated data.

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来源期刊

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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