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    NASA's Bio-Inspired Acoustic Absorber Concept

    L. D. Koch | NTIS | 2017
    Transportation noise pollutes our worlds cities, suburbs, parks, and wilderness areas. NASAs fundamental research in aviation acoustics is ...
    Verlag: National Aeronautics and Space Administration, Cleveland, OH. NASA John H. Glenn Research Center at Lewis Field.
    Schlagwörter: Technology transfer

    Helicopter Urban Navigation Training Using Virtual Environments

    G. T. Wright | NTIS | 2000
    end. Helicopter operations, being inherently expensive and unforgiving of mistakes, are prime candidates for such innovative training ...