并得出了面粗糙度比线粗糙度更能体现试件表面形貌特征的结论。

It is concluded that surface roughness can better reflect the characteristic of the sample's surface than line roughness.

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根据粗糙面电磁散射理论讨论了粗糙表面双向反射分布函数（BRDF）和单位面积激光雷达截面的关系。

The relationship between Bidirectional Reflectance Distribution Function (BRDF) and Laser Rader Cross Section (LRCS) is introduced by means of the electromagnetic radiation and scattering theories.

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