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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    Title :

    Active airborne linescan experiment


    Contributors:

    Conference:

    Airborne Reconnaissance XVIII ; 1994 ; San Diego,CA,United States


    Published in:

    Publication date :

    1994-10-25





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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