Robust capon beamformers for wideband acoustic imaging

9th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2003, Pages

  Wang, Zhisong ^a   Li, Jian ^a   Nishida, Toshikazu ^a   Sheplak, Mark ^b  

^a University of Florida   (United States)

^b UNIVERSITY OF FLORIDA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC IMAGING; AEROACOUSTICS; FAST FOURIER TRANSFORMS; SAMPLING;

CONSTANT BEAMWIDTH; FINITE SAMPLE SIZES; INTERFERENCE SUPPRESSION CAPABILITIES; MICROPHONE ARRAYS; NATURAL EXTENSION; ROBUST CAPON BEAMFORMER; STEERING VECTOR; WIDEBAND SIGNALS;

BEAMFORMING;

EID: 85088759415     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2003-3198     Document Type: Conference Paper

References (22)

1. J. Capon, "High resolution frequencv-wavenumber spectrum analysis," Proceedings of the IEEE, vol. 57, pp. 1408-1418, August 1969.
2. W. M. Humphreys, T. F. Brooks, W. W. Hunter, and K. R. Meadows, "Design and use of microphone directional arrays for aeroacous- tic measurement," AIAA Paper 98-0471, 36st Aerospace Sciences Meeting and Exhibit, Reno, NV, January 12-15, 1998.
3. T. F. Brooks and W. M. Humphreys, "Effect of directional array size on the measurement of airframe noise components," AIAA Paper 99-1958, 5th AIAA Aeroacoustics Conference, Bellevue, WA, May 10-12, 1999.
4. O. L. Frost III, "An algorithm for linearly constrained adaptive array processing," Proceedings of the IEEE, vol. 60, pp. 926-935, August 1972.
5. M. H. Er and A. Cantoni, "Derivative constraints for broad-band element space antenna array processors," IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 31, pp. 1378-1393, December 1983.
6. J. E. Hudson, Adaptive Array Principles. London, U.K.: Peter Peregrinus, 1981.
7. M. H. Er and A. Cantoni, "An alternative formulation for an optimum beamformer with robustness capability," IEE Proceedings Part F, Communications, Radar, and Signal Processing, vol. 132, pp. 447-460, 1985.
8. H. Cox, R. M. Zeskind, and M. M. Owen, "Robust adaptive beamforming," IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 35, pp. 1365-1376, October 1987.
9. B. D. Carlson, "Covariance matrix estimation errors and diagonal loading in adaptive arrays," IEEE Transactions on Aerospace and Electronic Systems, vol. 24, pp. 397-401, July 1988.
10. S. Q. Wu and J. Y. Zhang, "A new robust beamforming method with antennae calibration errors," IEEE wireless communications and Networking Conference, New Orleans, LA, USA, vol. 2, pp. 869-872, September 1999.
11. S. A. Vorobyov, A. B. Gershman, and Z.-Q. Luo, "Robust adaptive beamforming using worst-case performance optimization: a solution to the signal mismatch problem," IEEE Transactions on Signal Processing, vol. 51, February 2003.
12. R. G. Lorenz and S. P. Boyd, "Robust minimum variance beamforming," IEEE Transactions on Signal Processing, 2001. Submitted.
13. P. Stoica, Z. Wang, and J. Li, "Robust Capon beamforming," IEEE Signal Processing Letters, to appear.
14. J. Li, P. Stoica, and Z. Wang, "On robust Capon beamforming and diagonal loading," IEEE Transactions on Signal Processing, to appear. (Available on the website: http://www.sal.ufl.edu/wang/RCBDiagLoad.pdf).
15. T. L. Marzetta, "A new interpretation for Capon's maximum likelihood method of frequencv-wavenumber spectrum estimation," IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 31, pp. 445-449, April 1983.
16. M. M. Goodwin and G. W. Elko, "Constant beamwidth beamforming," ICASSP, Minneapolis, MN, USA, vol. 1, pp. 169-172, April 1993.
17. T. Chou, "Frequency-independent beamformer with low response error," ICASSP, Detroit, MI, USA, vol. 5, pp. 2995-2998, May 1995.
18. P. Stoica and R. L. Moses, Introduction to Spectral Analysis. Englewood Cliffs, NJ: Prentice-Hall, 1997.
19. J. R. Guerci, "Theory and application of covariance matrix tapers for robust adaptive beam- forming," IEEE Transactions on Signal Processing, vol. 47, pp. 977-985, April 1999.
20. V. Fiacco and G. P. McCormick, Nonlinear Programming: Sequential Unconstrained Minimization Techniques. New York, NY: John Wiley & Sons Inc., 1968.
21. Y. Hua, M. Nikpour, and P. Stoica, "Optimal reduced-rank estimation and filtering," IEEE Transactions on Signal Processing, vol. 49, pp. 457-469, March 2001.
22. D. T. Blackstock, Fundamentals of Physical Acoustics. New York, NY: John Wiley & Sons Inc., 2000