Measurement resolution of noise directivity patterns from acoustic flight tests /

Bibliographic Details
Main Author:	Conner, David A. (David Alan), 1956-
Corporate Authors:	United States. National Aeronautics and Space Administration. Scientific and Technical Information Division, United States. Army Aviation Systems Command
Format:	Government Document Microform Book
Language:	English
Published:	[Washington, D.C.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; 1989.
Series:	AVSCOM technical report ; 89-B-004. NASA technical memorandum ; 4134.
Subjects:	Helicopters > Noise > Measurement. Aeroacoustics. Aircraft noise. Directivity. Flight tests. Noise measurement. Resolution.
Online Access:	https://purl.fdlp.gov/GPO/LPS71768

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