Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aircraft— 18 стр.
Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure sound pressure levels in noise certification of aircraft— 30 стр.
Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure sound pressure levels in noise certification of aircraft— 30 стр.