Aiming at the problem that the dynamic attitude of small UAVs can’t be measured accurately, this paper describes a ground target positioning method based on the multi-images forward intersection. The parameters of the corresponding image rays are carried out in the local geographic coordinate system, and then these parameters are used to get the target 3-D coordinates. The flight tests have been finished. The test system is composed of a small UAV with a wingspan of 1.2 meters, a miniature vidicon and the micro autopilot developed by our laboratory. The miniature vidicon is calibrated with the active method and a red target is placed on the ground beforehand. In flight, the flight information including attitude, position .etc, is measured and recorded, and the video is collected isochronously. The error of the target position is about 5 meters at the flight height of about 250 meters.


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    Titel :

    A Ground Target Positioning Method Facing Small UAVs



    Erschienen in:

    Erscheinungsdatum :

    10.02.2012


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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