Active airborne linescan experiment

Roger D. Callan; David A. Huckridge; Cedric R. Nash; J. Michael Vaughan

doi:10.1117/12.191914

25 October 1994 Active airborne linescan experiment

Roger D. Callan, David A. Huckridge, Cedric R. Nash, J. Michael Vaughan

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Proceedings Volume 2272, Airborne Reconnaissance XVIII; (1994) https://doi.org/10.1117/12.191914
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

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.

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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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