粗糙地面目标复合模型的HRRP分析

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2021-12-01 DOI:10.1109/ISAPE54070.2021.9753561

J. Li, C. Li, L. Guo, S. Chai

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引用次数: 0

摘要

本文基于散射回波数据，对粗糙地面上目标的高分辨距离像进行了分析。采用物理光学(PO)-射击和反射射线(SBR)混合方法求解复合材料模型的电磁散射问题。采用八叉树数据结构加快了光线追踪的速度。利用该方法计算了粗糙地面上缩小尺度车辆目标的双基地电磁散射，并与FEKO中MLFMM的仿真结果进行了比较。然后对后向散射回波数据进行傅里叶反变换，得到复合模型的距离轮廓。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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HRRP Analysis of Composite Model from a Target above Rough Ground

In the paper, high resolution range profile (HRRP) of a target above rough ground is analyzed based on the scattered echo data. The electromagnetic scattering of composite model is solved by the hybrid method of physical optics (PO)- shooting and bouncing ray (SBR). And an octree data structure is used to accelerate the ray tracing progress. The bistatic electromagnetic scattering of a reduced-scale vehicle target above rough ground is calculated by our method and compared with the simulation result with MLFMM in FEKO. Then by inverse Fourier transform of backscattering echo data, the range profile of composite model is obtained.

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2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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