海杂波环境下舰船与角反射器的识别

Zhuorui Liang, Yong Wang, Xiaofeng Zhang, M. Xie, Xiongjun Fu
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引用次数: 2

摘要

角反射器是对抗雷达探测的一种有效的无源干扰手段。在复杂的海杂波环境中,角反射器的干扰效果更为明显。在海杂波环境下,模拟了舰船与角反射器同时存在的环境,得到了两者的雷达回波。然后,根据船舶和三角板角反射器的模型计算相应的偏振散射矩阵,并从矩阵中得到偏振不变数据。采用支持向量机作为分类器,对具有偏振不变特征的船舶和角反射器进行识别。最后对角反射回波进行滤波,达到识别舰船目标和角反射回波的目的。实验结果表明了该算法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Identification of Ship and Corner Reflector In sea clutter environment
The corner reflector is an effective passive jamming method against radar detection. In the complex sea clutter environment, the interference effect of corner reflector is more obvious. In the sea clutter environment, a kind of environment in which ship and corner reflectors exist simultaneously is simulated, and obtain the radar echo of them. Then, the corresponding polarization scattering matrix is calculated by the model of ship and triangle plate corner reflector, and get the polarization invariant data from the matrix. SVM is used as a classifier to identify the ship and corner reflector with polarization invariant features. Finally, the corner reflector echo is filtered out, and achieve the purpose of identifying ship target and corner reflector. The results show the effectiveness of the algorithm.
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