Effects of repetition rate and impulsiveness of simulated helicopter rotor noise on annoyance
By: Clemans A. Powell and David A. McCurdy
Contributors: McCurdy, David A; Langley Research Center; United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
Series: NASA technical paper -- 1969
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1982
Place of publication: Washington, D.C; [Springfield, Va
Language: eng
Number of pages: 56
Subjects: Helicopters -- Noise; Rotors (Helicopters)
Notes: "Langley Research Center."

"February 1982"--Cover

Includes bibliographical references