Abstract
In order to study the transmission characteristics of lasers in turbulent atmospheric media, and to discuss the fluctuations of laser beams that are caused by various factors, and thereby effectively and clearly detect target objects, this study uses the far field approximation method of physical optics in combination with statistical optical theory to study the vertical and horizontal fluctuations of lasers in atmospheric turbulence, and establish a corresponding transmission fluctuation model. A statistical fluctuation model of lasers is established after considering the combined effect of various influencing factors. Our research shows that the main factors affecting the horizontal fluctuation function are the spatial correlation coordinates, and are unrelated to vertical. The vertical fluctuation function is affected by both the spatial correlation function and vertical distance. In the statistical fluctuation function, the vertical distance of the observation point is the main factor affecting laser transmission. Our research provides a theoretical foundation for turbulence analysis and laser echo detection.
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