Active control of multi-dimensional random sound in ducts /

Bibliographic Details
Main Author:	Silcox, Richard J.
Corporate Author:	Langley Research Center
Other Authors:	Elliott, S. J. (Stephen J.)
Format:	Government Document Microform Book
Language:	English
Published:	Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1990]
Series:	NASA technical memorandum ; 102653.
Subjects:	Airplanes > Air ducts > Noise > Prevention. Active control. Controllers. Ducts. Noise propagation. Plane waves. Random noise. Waveguides.
Online Access:	https://purl.fdlp.gov/GPO/LPS67515

Description
Item Description:	"May 1990." Cover title. Shipping list number: 90-0860-M. Microform.
Physical Description:	9 pages, 1 unnumbered page : illustrations Also available via Internet from the NASA Technical Report Server web site. Address as of 3/9/06: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900012287%5F1990012287.pdf; current access available via PURL.
Bibliography:	Includes bibliographical references (pages 9-[10]).