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针对近地面来袭的激光威胁源,建立基于米氏散射理论的散射探测模型。利用matlab软件对散射光光强随激光探测方向、大气能见度的变化进行了数值分析,结果表明,探测散射光最强的方向是平行于主轴传输方向,大气能见度和散射光强成非线性关系。在分析散射光强受气象条件变化的基础上,得到了不同激光威胁源情况下,激光告警的最大散射截获距离。
Aiming at the threat of near-surface laser attack, a scattering detection model based on Mie scattering theory is established. The matlab software was used to numerically analyze the light intensity of the scattered light with the laser detection direction and the change of the atmospheric visibility. The results show that the strongest direction of the scattered light is parallel to the principal axis, and the visibility and the scattered light intensity are nonlinear. Based on the analysis of the changes of the scattered light intensity by the meteorological conditions, the maximum scattering interception distance of laser warning under different laser threat sources was obtained.