Modeling and simulation of CO2 laser initiative imaging radar system

Haiyan Li; Youjin He; Min Zhu

doi:10.1117/12.748712

15 November 2007 Modeling and simulation of CO₂ laser initiative imaging radar system

Haiyan Li, Youjin He, Min Zhu

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.

Citation Download Citation

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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