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Russian Aeronautics

, Volume 61, Issue 2, pp 149–155 | Cite as

Selection of an Audibility Criterion for Propeller Driven Unmanned Aerial Vehicle

  • P. A. MoshkovEmail author
  • V. F. Samokhin
  • A. A. Yakovlev
Aircraft Equipment
  • 10 Downloads

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.

Keywords

audibility criterion acoustic detectability acoustic profile spectral profile unmanned aerial vehicle engine-propeller power plant perceivable noise 

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Copyright information

© Allerton Press, Inc. 2018

Authors and Affiliations

  • P. A. Moshkov
    • 1
    Email author
  • V. F. Samokhin
    • 2
  • A. A. Yakovlev
    • 3
  1. 1.AO Grazhdanskie Samolety SukhogoMoscowRussia
  2. 2.Central Aerohydrodynamic Institute (TsAGI)ZhukovskiiRussia
  3. 3.OOO TemperoMoscowRussia

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