[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3968 : use of partical coherence for identifying noise transmission paths on the UHB aircraft / B.Tran,M.Simpson;Rep.presented at AIAA 13th aerocoustics conf.Oct.,22-24,1990,Tallahassee(Fl), 1990. - 7 p. - Текст : непосредственный.