Research Papers

Effect of target surface orientation on the range precision of laser detection and ranging systems

[+] Author Affiliations
Steven E. Johnson

Science Applications International Corporation (SAIC), 14668 Lee Rd, Chantilly, VA 20151-1759

J. Appl. Remote Sens. 3(1), 033564 (November 12, 2009). doi:10.1117/1.3271047
History: Received September 4, 2008; Revised October 12, 2009; Accepted November 6, 2009; November 12, 2009; Online November 12, 2009
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Abstract

Airborne laser detection and ranging (LADAR) systems are used for applications such as three-dimensional imaging, topographic mapping, and target recognition. Typical systems transmit laser beams through apertures that are a few inches wide and use pulses that are roughly a nanosecond in duration. If the pulse reflects off a target that is tilted with respect to the LADAR's line-of-sight, then the reflection process will elongate the received signal as compared to the transmitted pulse. If the range is more than a few kilometers and the target is tilted more than about forty-five degrees, the increase in the width of the received pulse produces a signifcant drop in range precision as compared to when the target is perpendicular to the line-of-sight.

© 2009 Society of Photo-Optical Instrumentation Engineers

Topics

LIDAR

Citation

Steven E. Johnson
"Effect of target surface orientation on the range precision of laser detection and ranging systems", J. Appl. Remote Sens. 3(1), 033564 (November 12, 2009). ; http://dx.doi.org/10.1117/1.3271047


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