On the use of the noncentral chi-square density function for the distribution of helicopter spectral estimates
By: Donald B. Garber.
Contributors: Langley Research Center.
Series: NASA contractor report -- 191546.; NASA contractor report -- NASA CR-191546.
Publisher: National Aeronautics and Space Administration, Langley Research Center; National Technical Information Service, distributor
Published: 1993
Place of publication: Hampton, Va; [Springfield, Va
Language: eng
Format: Microform
Subjects: Spectrum analysis.; Aerodynamic noise.; Helicopters.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 94-0081-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 1 microfiche.