MH/T 9003-2008
电声学.航空噪声测量仪器在运输类飞机噪声合格审定中测量1/3宽带倍频声压级装置的性能要求
Electroacoustics.Instruments for measurement of aircraft nois.Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certincation of transport-category aeroplanes