Measurement resolution of noise directivity patterns from acoustic flight tests

An edition of Measurement resolution of noise directivity patterns from acoustic flight tests (1989)

Measurement resolution of noise directivity patterns from acoustic flight tests

By David A. Conner

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Publish Date

1989

Publisher

National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division,For sale by the National Technical Information Service]

Language

eng

Pages

Description:

subjects: Helicopters, Noise, Aeroacoustics, Directivity, Aircraft noise, Measurement, Resolution, Flight tests, Noise measurement