Detection performance of laser range-gated imaging system

Jun Xu; Xiaofeng Li; Jijun Luo; Shengxiu Zhang; Yibin Xu

doi:10.1117/12.865830

22 October 2010 Detection performance of laser range-gated imaging system

Jun Xu, Xiaofeng Li, Jijun Luo, Shengxiu Zhang, Yibin Xu

Proceedings Volume 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology; 76582S (2010) https://doi.org/10.1117/12.865830
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

Laser radar is rapidly developing towards very capable sensors for number of applications such as military sensing and guidance, auto collision avoidance, robotic vision and atmospheric sensing. In this paper, the detection performance of non-scanned Laser Rang-gated (LRG) imaging system is studied. In order to compute the detection range of laser active imaging system, the range equation is derived by using laser illuminating model and considering factors which affect system imaging quality. According to the principle of laser radar and the characters of objects and the detectors in special applied setting, it mainly deduced the non-scanned laser radar range equation of the range-gated system, meanwhile, the SNR model of non-scanned LRG imaging system is set up. Then, relationship of the detection probability, the false alarm probability and the signal-to-noise ratio in the non-scanned LRG imaging system are analyzed, the influence factors of system's performance are pointed out, and the solution is proposed. The detection performance simulation software of non-scanned LRG imaging system is designed with MATLAB and the performance of the imaging system is simulated.

Citation Download Citation

Jun Xu, Xiaofeng Li, Jijun Luo, Shengxiu Zhang, and Yibin Xu "Detection performance of laser range-gated imaging system", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76582S (22 October 2010); https://doi.org/10.1117/12.865830

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KEYWORDS

Signal to noise ratio

Imaging systems

Sensors

LIDAR

Atmospheric sensing

Laser energy

Backscatter

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