海上舰船目标HRRP特性仿真

Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics(2010)

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Abstract
系统地介绍了海上舰船目标高频仿真及雷达成像的完整解决方案。对海上舰船进行高精度三维几何建模,采用步进频率信号雷达波照射,基于物理光学(physical optics,PO)双次反弹的高频方法结合增量长度绕射系数(incremental length diffraction coefficients,ILDC)理论计算了复合目标的宽带后向散射场。在频域对回波数据作离散傅里叶逆变换,得到宽带信号的时域响应,从而得到高分辨率距离像(high resolution range profiles,HRRP)和二维聚束合成孔径雷达(synthetic aperture radar,SAR)成像。在给出的算例中,借助射线理论分析了海上舰船目标的距离像特性及其成像机理,验证了仿真结果的准确性和有效性。
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Key words
Maritime ship target,PO with double bounce,Range profile,Scattering
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