A Deconvolution Approach for the Mapping of Acoustic Sources (DAMAS) determined from phased microphone arrays

Collection of Technical Papers - 10th AIAA/CEAS Aeroacoustics Conference

Volumn 2, Issue , 2004, Pages 1736-1753

  Brooks, Thomas F ^a,b   Humphreys Jr , William M ^a,b  

^a NASA LANGLEY RESEARCH CENTER   (United States)

^b Aeroacoustics Branch   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARRAY PROCESSING; DECONVOLUTION APPROACH FOR THE MAPPING OF ACOUSTIC SOURCES (DAMAS); FREQUENCY BANDWIDTH; NOISE RADIATORS; SHEAR LAYER REFRACTION;

ANTENNA PHASED ARRAYS; BANDWIDTH; CONVOLUTION; FOURIER TRANSFORMS; MICROPHONISM; REFRACTION;

ACOUSTIC ARRAYS;

EID: 19644382957     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (22)

1. Brooks, T.F. and Humphreys, W.M., Jr., "Effect of Directional Array Size on the Measurement of Airframe Noise Components", AIAA Paper 99-1958, 1999.
2. Brooks, T.F. and Humphreys, W.M., Jr., "Flap Edge Aeroacoustic Measurements and Predictions", Journal of Sound and Vibration, Vol. 261, pp. 31-74, 2003.
3. Mendoza, J. M., Brooks, T. F. and Humphreys, W. M., "Aeroacoustic Measurements of a Leading Edge Slat Configuration", International Journal of Aeroacoustics, pp. 241-274, Vol. 1 (3), 2002.
4. Hutcheson, F.V. and Brooks, T.F., "Measurement of Trailing Edge Noise Using Directional Array and Coherent Output Power Methods", International Journal of Aeroacoustics, pp. 329-354. Vol. 1 (4), 2002.
5. Hutcheson, F.V. and Brooks, T.F., "Effects of Angle of Attack and Velocity on Trailing Edge Noise", AIAA Paper 2004-1031.
6. Oerlemans, S. and Sijtsma, P., "Determination of Absolute Levels from Phased Array Measurements Using Spatial Source Coherence", AIAA 2002-2464.
7. Sijtsma, P. and Holthusen, H., "Corrections for Mirror Sources in Phased Array Processing Techniques", AIAA Paper 2003-3196.
8. th AIAA/CEAS Aeroacoustics Conference, Toulouse, France, June 2-4, 1998.
9. Hogbom, J.A., "Aperture Synthesis with a non-regular distribution of Interferometer Baselines", Astronomy and Astrophysics Supplements, Vol. 15, pp. 417-426, 1974.
10. Wang, Y., Li, J., Stoica, P., Sheplak, M., and Nishida, T., "Wideband RELAX and Wideband CLEAN for Aeroacoustic Imaging", AIAA Paper 2003-3197, 2003.
11. Li, J. and Stoica, P., "Efficient Mixed-Spectrum Estimation with Applications to Target Feature Extraction", IEEE Transactions on Signal Processing, Vol. 44, pp. 281-295, 1996.
12. Wang, Z., Li, J., Nishida, T., and Sheplak, M., "Robust Capon Beamformers for Wideband Acoustic Imaging", AIAA Paper 2003-3198, 2003.
13. Dougherty, R.P., "Beamforming in Acoustic Testing", Aeroacoustic Measurements, T.J. Mueller (Ed.), Springer-Verlag, New York, 2002.
14. Blacodon, D. and Elias, G., "Level Estimation of Extended Acoustic Sources Using an Array of Microphones", AIAA Paper 2003-3199, 2003.
15. Brooks, T.F. and Humphreys, W.M., Jr., "Deconvolution Approach for the Mapping of Acoustic Sources (DAMAS), NASA Invention Disclosure", LAR-16907-1, NASA Langley Research Center, Hampton, VA, April 2004.
16. Humphreys, W. M., Brooks, T. F., Hunter, W. W. and Meadows, K. R., "Design and Use of Microphone Directional Arrays for Aeroacoustics Measurements", AIAA Paper 98-0471, 1998.
17. Amiet, R. K.," Refraction of Sound by a Shear layer", Journal of Sound and Vibration, Vol. 58 (3), pp. 467-482, Sept. 1978.
18. Brooks, T.F., Marcolini, M.A., and Pope, D.S., "A Directional Array Approach for the Measurement of Rotor Noise Source Distributions with Controlled Spatial Resolution," Journal of Sound and Vibration, Vol. 112, No.1, pp. 192-197, 1987.
19. Marcolini, M.A., and Brooks, T.F., "Rotor Noise Measurement Using a Directional Microphone Array," Journal of the American Helicopter Society, pp. 11-22, 1992.
20. nd Ed., Press Syndicate of the University of Cambridge, Cambridge, UK, 1992.
21. Vogel, C.R., Computational Methods for Inverse Problems, Society for Industrial and Applied Mathematics, Philadelphia, PA, 2002.
22. th AIAA/CEAS Aeroacoustics Conference & Exhibit, Hilton Head, S.C., May 12-14, 2003.