Abstract Based on a flight experiment, the difference between the total aircraft noise level and the ambient noise is proposed to be used as an audibility criterion for unmanned aerial vehicles equipped with piston engines. It is found that the unmanned aerial vehicle becomes audible for an observer at a criterion value of 3 dBA.


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    Title :

    Selection of an Audibility Criterion for Propeller Driven Unmanned Aerial Vehicle


    Contributors:

    Published in:

    Russian Aeronautics ; 61 , 2 ; 149-155


    Publication date :

    2018-04-01


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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