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利用分形函数模拟海地粗糙表面，研究了目标与粗糙面的复合散射机制，并采用克希霍夫近似法分析了粗造面与其上方目标的双次反弹散射场，较详细地研究了目标与粗糙面的双次反弹双站RCS与入射角和表面粗糙度以及极化特性的关系．数值结果显示了一些有意义的结论．
The fractal function is used to simulate the rough surface of Haiti. The complex scattering mechanism between the target and the rough surface is studied. The Kirchhoff’s approximation method is used to analyze the double rebound scattering field of the rough surface and the target above it. The target and roughness Surface Double Rake RCS with angle of incidence and surface roughness and polarization characteristics of the relationship. Numerical results show some meaningful conclusions.