| 摘要 |
A method of determining a sound nuisance level outside an aircraft, in which method: an aircraft is fitted with a plurality of external microphones ( 11, 110 ); then during a flight of the aircraft, sound levels are measured using on-board microphones and at least two components are measured of the speed of the aircraft relative to air; and thereafter the kurtosis of samples of the sound level measurements is calculated and a model ( 15, 150 ) is determined of variations in a sound nuisance level as function of the air speed components, with the sound nuisance level being determined as a function of the kurtosis.
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