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15 November 2007 Modeling and simulation of CO2 laser initiative imaging radar system
Haiyan Li, Youjin He, Min Zhu
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Proceedings Volume 6786, MIPPR 2007: Automatic Target Recognition and Image Analysis; and Multispectral Image Acquisition; 67865C (2007) https://doi.org/10.1117/12.748712
Event: International Symposium on Multispectral Image Processing and Pattern Recognition, 2007, Wuhan, China
Abstract
In all of precise guidance technology, imaging laser radar guidance technology is one of the most important orientations in the future development of precision guidance. The laser radar is a radar system adopting laser photosource and operating on optical band and the laser heterodyne measurement is a detection technique with high sensitivity. It can advance the hitting precision, the ability of resisting disturbing and breaching defence greatly. The numerical simulation technology can simulate some results of outfield experiments to a certain extent and becomes a new method for imaging laser radar guidance system design. This paper simulates the imaging laser radar which adopts CO2 laser as photosource and heterodyne detection. Our laboratory established the CO2 laser coherent imaging radar system. It consists of CO2 laser, acousto-optic modulators, beam-expending telescope, magnifying circuits and control computer etc. Firstly, the ranging equation of laser radar is analyzed. Then five models for the simulations of laser imaging radar are established including atmospheric transmission model, laser transmitter and laser receiver model, noise model, targets model, image processing and target recognizing model. The stimulation system of CO2 laser initiative imaging radar can operate easily and foresee the questions of the practicality design. The system had finished the elementary simulation and could evaluate accurately the capability of laser radar through the system's numerical simulation. It can estimate the key characteristic parameters and help to project design and capability advancing for experimental system.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Haiyan Li, Youjin He, and Min Zhu "Modeling and simulation of CO2 laser initiative imaging radar system", Proc. SPIE 6786, MIPPR 2007: Automatic Target Recognition and Image Analysis; and Multispectral Image Acquisition, 67865C (15 November 2007); https://doi.org/10.1117/12.748712
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KEYWORDS
Gas lasers
LIDAR
Imaging systems
Radar
Atmospheric modeling
Carbon monoxide
Radar imaging
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