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Simulation and modeling of laser range profiling and imaging of small surface vessels
FOI.
FOI.
2014 (English)In: Optical Engineering: The Journal of SPIE, ISSN 0091-3286, E-ISSN 1560-2303, Vol. 53, no 1, 013109-1-013109-16 p.Article in journal, Editorial material (Refereed) Published
Abstract [en]

The detection and classification of small surface targets at long ranges is a growing need for naval security. Simulations of a laser radar at 1.5 μm aimed for search, detect, and recognition of small maritime targets will be discussed. The data for the laser radar system will be based on present and realistic future technology. The simulated data generate signal waveforms for every pixel in the sensor field-of-view. From these we can also generate two-dimensional (2-D) and three-dimensional (3-D) range and intensity images. The simulations will incorporate typical target movements at different sea states, vessel courses, effects of the atmospheric turbulence and also include different beam jitter. The laser pulse energy, repetition rate as well as the receiver and detector parameters have been the same during the simulations. We have also used a high resolution (sub centimeter) laser radar based on time correlated single photon counting to acquire examples of range profiles from different small model ships. The collected waveforms are compared with simulated wave forms based on 3-D models of the ships. A discussion of the classification potential based on information in 1-D, 2-D, and 3-D data separately and in combination is made versus different environmental conditions and system parameters.        

Place, publisher, year, edition, pages
2014. Vol. 53, no 1, 013109-1-013109-16 p.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:liu:diva-128058DOI: 10.1117/1.OE.53.1.013109OAI: oai:DiVA.org:liu-128058DiVA: diva2:928786
Available from: 2016-05-16 Created: 2016-05-16 Last updated: 2016-08-31

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Grönwall, Christina
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