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Influence of Atmospheric Turbulence on LIDAR Performance

机译：大气湍流对激光雷达性能的影响

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摘要

In the interference analysis of LIDAR system, atmospheric turbulence model is indispensable. To improve the accuracy of atmospheric effects in the LADAR simulator, Exponential Weibull model is adopted to calculate atmospheric turbulence, achieving a physically-based simulation of a LADAR system integrated with quantitative atmospheric turbulence. The feasibility of the proposed method is verified by comparing simulated and field data. To evaluate LIDAR performance in complex environments, the method of analyzing the system performance based on a general simulation framework is proposed. A general and systematic physically reasonable imaging LADAR simulation model combining 'laser - target - atmosphere — LADAR imaging' is achieved for assessment of LADAR imaging system. Experimental results show that the turbulence can cause energy dispersion, leading to the detection of false alarm.
机译：在激光雷达系统的干扰分析中，大气湍流模型是必不可少的。为了提高LADAR仿真器中大气影响的准确性，采用指数Weibull模型计算大气湍流，从而实现了基于物理的LADAR系统与定量大气湍流集成的仿真。通过比较模拟数据和现场数据验证了该方法的可行性。为了评估复杂环境下的激光雷达性能，提出了一种基于通用仿真框架的系统性能分析方法。结合“激光-目标-大气-LADAR成像”，建立了一种通用且系统合理的物理成像LADAR仿真模型，用于评估LADAR成像系统。实验结果表明，湍流会引起能量分散，导致误报检测。

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