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

Steven Eric Johnson

doi:10.1117/1.3271047

1 November 2009 Effect of target surface orientation on the range precision of laser detection and ranging systems

Steven Eric Johnson

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 3, Issue 1, 033564 (November 2009). https://doi.org/10.1117/1.3271047

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.

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Steven Eric Johnson "Effect of target surface orientation on the range precision of laser detection and ranging systems," Journal of Applied Remote Sensing 3(1), 033564 (1 November 2009). https://doi.org/10.1117/1.3271047

Published: 1 November 2009

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