Influence of Atmospheric Turbulence on LIDAR Performance

被引：1
|
作者：
Chai Guo-bei [1 ]
Sun Xiao [1 ]
Yang Jian [1 ]
Yang Wen-fu [1 ]
Bao Wen-zhuo [1 ]
Xie Xiao-yang [1 ]
机构：
[1] China Acad Launch Vehicle Technol, Beijing 100076, Peoples R China
来源：
LIDAR IMAGING DETECTION AND TARGET RECOGNITION 2017 | 2017年 / 10605卷
关键词：
LIDAR/LADAR; atmospheric turbulence; detection performance; performance assessment; PROBABILITY DENSITY-FUNCTION; MODEL;
D O I：
10.1117/12.2298116
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
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.
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页数：7
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