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25 October 1994 Active airborne linescan experiment
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Abstract
A coherent lidar system based on a 3W cw CO2 laser has been installed on an aircraft positioned to look forward and down. A monostatic optical geometry is employed and the optical system incorporates a scanning mechanism that generates a line scan in the horizontal plane perpendicular to the aircraft. This scan pattern, coupled with the aircraft motion, produces a 2D coverage of the ground. The laser reflections from terrain features are collected and 2D images of the ground generated based on the amplitude of the return signals. A flight program has been conducted and active images of a range of natural terrain and man made objects collected. This paper describes the coherent laser system, its aircraft installation, signal processing, and results obtained from the flight trial program.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Roger D. Callan, David A. Huckridge, Cedric R. Nash, and J. Michael Vaughan "Active airborne linescan experiment", Proc. SPIE 2272, Airborne Reconnaissance XVIII, (25 October 1994); https://doi.org/10.1117/12.191914
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