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利用随机面元模型,详细分析了刚性随机粗糙圆柱表面的激光散射特点,建立了实用化的随机粗糙圆柱激光散射理论模型,并给出了正入射时几种情况下的激光散射图像,分析了圆柱目标的激光散射能量计算方法,并仿真了光束在平面目标、圆柱目标表面做正弦摆动时,光斑在不同位置的反射能量,利用激光信号的强度变化就可以得到物体的边缘信息。
The characteristics of laser scattering on a rigid random rough cylindrical surface are analyzed in detail by using a random face element model. A theoretical model of random rough cylindrical laser light scattering is established, and the laser scattering images under several normal incidence conditions are given. The method of calculating the laser scattering energy of a cylinder target is simulated and the reflected energy of the light spot at different positions is obtained when the beam is swaying on the plane target and the cylindrical target surface. The edge information of the object can be obtained by the change of the intensity of the laser signal.