NOISE-CON ... ProceedingsThe Conference, 1977 - Noise control |
Contents
DOT Close Leasure | 4 |
STATUS REPORT ON AIRCRAFT NOISE CERTIFICATION | 11 |
EPA Thomas | 41 |
Copyright | |
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77 NASA Langley A-weighted absorption acoustic aircraft noise airport analysis annoyance ANOPP areas assessment attenuation average axle barrier Beranek and Newman berm bias-ply calculated community noise components Concorde countermeasure criteria developed effects environmental equation estimate evaluation Federal FHWA flaps frequency function helicopter impedance insertion loss interior noise Langley Research Center locomotive method microphone muffler NASA noise abatement Noise Barrier noise emission noise environment noise exposure noise impact noise levels noise measurements noise reduction noise sources NOISE-CON 77 NASA OCTAVE BAND operating population prediction procedure propagation radiation rail railway noise reference noise response rotor sample sound level sound pressure level spectrum speed squeal standards STOL surface Table tion tire noise track traffic noise trains transit transmission loss transportation Troy Meadows truck vehicle velocity vibration wayside noise weighted wheel/rail noise