Communications – electrical: acoustic wave systems and devices – Acoustic image conversion – Acoustic holography
Reexamination Certificate
2009-06-15
2011-12-13
Pihulic, Daniel (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Acoustic image conversion
Acoustic holography
Reexamination Certificate
active
08077540
ABSTRACT:
A system and computer implemented method for determining and displaying vector acoustic intensity fields based on signals from a rigid spherical array of acoustic sensors within a volume external to the array. The method includes a propagator with a ratio of Green's functions for the location within the volume and for the spherical array radius, and a Tikhonov regularization filter that uses the Morozov discrepancy principle on the measured noise variance and Fourier coefficients of the measured partial pressures with respect to reference accelerometer or microphone measurements.
REFERENCES:
patent: 4415996 (1983-11-01), Maynard et al.
patent: H001330 (1994-07-01), Williams
patent: 5592441 (1997-01-01), Kuhn
patent: 6172940 (2001-01-01), McConnell et al.
patent: 7058184 (2006-06-01), Hickling
patent: 7123548 (2006-10-01), Uzes
patent: 7599248 (2009-10-01), Williams
patent: 7839721 (2010-11-01), Clark
patent: 2008/0232192 (2008-09-01), Williams
patent: 2009/0028347 (2009-01-01), Duraiswami et al.
patent: 2010/0316231 (2010-12-01), Williams
Herdic, P. C., Houston, B. H., Marcus, M. H., Williams, E. G., Baz, A. M., “The Vibro-Acoustic Response and Analysis of a Full-Scale Aircraft Fuselage Section for Interior Noise Reduction,”Journal of the Acoustical Society of America, vol. 11, No. 6, pp. 3667-3678, Jun. 2005.
Houston, B. H., Marcus, M. H., Bucaro, J. A., Williams, E.G., Photiadis, D. M., “The Structural Acoustics and Active Control of Interior Noise in a Ribbed Cylindrical Shell,” Journal of the Acoustical Society of America, vol. 99, No. 6, pp. 3497-3512, Jun. 1996.
Sklanka, B.J., Tuss, J.R., Buehrle, R.D., Klos, J., Williams, E.G., Valdivia, N., “Acoustic Source Localization in Aircraft Interiors Using Microphone Array Technologies”, paper No. AIAA-2006-2714, 12th AIAA/CEAS Aeroacoustics Conference, Cambridge MA, May 2006.
Valdivia, N.P., Williams, E.G., “Reconstruction of the acoustic field using patch surface measurements”, Proceedings Thirteenth International Congress on Sound and Vibration, Vienna, Austria, Jul. 2006.
Williams, E. G., et al., “Tracking energy flow using a Volumetric Acoustic Intensity Imager (VAIM)”, presentation slides, Inter-noise 2006, Hawaii, Dec. 5, 2006, pp. 1-25.
Willliams, E.G., “A Volumetric Acoustic Intensity Probe based on Spherical Nearfield Acoustical Holography”, Proceedings Thirteenth International Congress on Sound and Vibration, Vienna, Austria, Jul. 2006.
Williams, E. G., Fourier Acoustics: Sound Radiation and Nearfield Acoustical Holography, Academic Press Inc., 1999, Ch. 7, pp. 235-249.
Williams, E.G., “Volumetric Acoustic Intensity Probe”, 2006 NRL Review, pp. 110-111, Dec. 2006.
Williams, E. G., “Continuation of Acoustic Near-Fields,” Journal of the Acoustical Society of America, vol. 113, No. 3, pp. 1273-1281, Mar. 2003.
Williams, E. G., “Regularization Methods for Near-Field Acoustical Holography,”Journal of the Acoustical Society of America, vol. 110, No. 4, pp. 1976-1988, Oct. 2001.
Williams, E. G., Valdivia, N., Herdic, P. C., Klos, J., “Volumetric Acoustic Vector Intensity Imager,” Journal of the Acoustical Society of America, vol. 120, No. 4, pp. 1887-1897, Oct. 2006.
Williams, E. G., Valdivia, N.P., Klos, J., “Tracking energy flow using a Volumetric Acoustic Intensity Imager (VAIM)”, paper presented at Inter-noise 2006, Hawaii, Dec. 3-6, 2006, pp. 1-10.
Williams, E. G., Houston, B. H., Herdic, P. C., Raveendra, S. T., Gardner, B., “Interior Near-Field Acoustical Holography in Flight,” Journal of the Acoustical Society of America, vol. 108, No. 4, pp. 1451-1463, Oct. 2000.
Williams, E. G., Houston, B. H., Herdic, P. C., “Fast Fourier Transform and Singular Value Decomposition Formulations for Patch Near-Field Acoustical Holography,” Journal of the Acoustical Society of America, vol. 114, No. 3, pp. 1322-1333, Sep. 2003.
Ferrett Sally A.
Pihulic Daniel
Ressing Amy L.
The United States of America as represented by the Secretary of
LandOfFree
System and method for determining vector acoustic intensity... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for determining vector acoustic intensity..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for determining vector acoustic intensity... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4308404