9 November 2010 Laser range profile of the sphere
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Abstract
The outstanding feature of the laser range profile (LRP) is that it can obtain the 3-D shape and the range information of the target by one pulse without optical scanning system. In this paper, Laser range profile theory and simulation is investigated. Laser range profile simulation is studied based on the theory of beam scattering by rough object, pulse wave scattering theory and the radar equation, the calculated formula of laser range profile is obtained. This equation is, in part, dependent upon the target's scattering strength which is quantified by its radar cross section. As examples, the laser range profile simulations are done for the sphere. It is indicated that the influence of pulse width, beam parameters, transmit-receive angle and target roughness on the simulation results is also analyzed. The peak position of laser range profile curve act in accord with radial dimension, and the peak value is contain the information of geometric shape, viz. the peak length of laser range profile curve act in accord with radius for the sphere, the shape of range profile curve act in accord with lateral surface profile. This paper is offer theory bases and simulation method for abstraction and identification target feature on laser waveband.
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Yanhui Li, Yanhui Li, Zhensen Wu, Zhensen Wu, Yan-jun Gong, Yan-jun Gong, } "Laser range profile of the sphere", Proc. SPIE 7850, Optoelectronic Imaging and Multimedia Technology, 78501J (9 November 2010); doi: 10.1117/12.869799; https://doi.org/10.1117/12.869799
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