Robust Beamforming Technique with Sidelobe Suppression Using Sparse Constraint on Beampattern
关键词:
Robust Beamforming Technique with Sidelobe Suppression Using Sparse Constraint on Beampattern摘要
In this paper, we propose two beamforming algorithms which impose sparse constraint on beampattern to suppress the sidelobe level and enhance robustness of the beamformer against steering vector error. The sparse constraint is given by an lp-norm, where ???2 holds. It is shown that the proposed algorithms can be solved using iterative algorithm. Computer simulations show that the proposed algorithms not only yield lower sidelobe level than that of the conventional beamformer, but also show better robustness against steering vector error than the conventional beamformers.
##plugins.generic.usageStats.downloads##
参考
J. Capon, "High resolution frequency
wavenumber spectrum analysis," Proceedings
ZHANG, ZHAO, LIE, NG, WAN: ROBUST BEAMFORMING TECHNIQUE WITH SIDELOBE SUPPRESSION
of the IEEE, vol. 57, no. 8, pp. 1408-1418,
August 1969.
M. Wax and Y. Anu, "Performance analysis of
the minimum variance beamformer," IEEE
Transactions on Signal Processing, vol. 44, no.
, pp. 928-937, April 1996.
H. Cox, "Resolving power and sensitivity to
mismatch of optimum array processors,"
Journal of the Acoustic Society of America, vol.
, no. 3, pp. 771-785, September 1973.
J. Li and P. Stoica, Robust Adaptive
Beamforming, New York: Wiley, 2006.
J. L. Krolik, "The performance of matched-
field beamformers with mediterranean vertical
array data," IEEE Transactions on Signal
Processing, vol. 44, no. 10, pp. 2605-2611,
K. Buckley, and L. Griffths, "An adaptive
generalized sidelobe canceller with derivative
constraints," IEEE Transactions on Antennas
and Propagations, vol. 34, no. 3, pp. 311-319,
March 1986.
A. K. Steele, "Comparison of directional and
derivative constraints for beamformers subject
to multiple linear constraints," IEE Proceedings
F Communications, Radar and Signal
Processing, vol. 130, no. 1, pp. 41-45, 1983.
M. H. Er, B. P. Ng, and A. Cantoni, "A new
set of constraints for derivative-constrained
broad-band beamformers," Journal of
Electrical and Electronics Engineering, vol. 11,
no. 2, pp. 87-101, June 1991.
J. Li, P. Stoica, and Z. Wang, "Doubly
constrained robust capon beamformer," IEEE
Transactions on Signal Processing, vol. 52, no.
, pp. 2407-2423, September 2004.
A. N. Tikhonov, and Y. V. Arsenin, Solution of
Ill-posed Problems, V. H. Winston and Sons,
A. B. Gershman, "Robust adaptive
beamforming in sensor arrays," AEU-
International Journal of Electronics and
Communications, vol. 53, no. 6, pp. 305-314,
June 1999.
K. Harmanci, "Relationships between adaptive
minimum variance beamforming and optimal
source localization," IEEE Transactions on
Signal Processing, vol. 48, no. 1, pp. 1-13,
B. D. Rao, K. Engan, S. F. Cotter, and J.
Palmer, and K. K. Delgado, "Subset selection
in noise based on diversity measure
minimization," IEEE Transactions on Signal
Processing, vol. 51, no. 3, pp. 760-770, March
L. J. Griffths and K. M. Buckley, "Quiescent
pattern control in lineary constrained adpatively
arrays," IEEE Transactions on Acoustics,
Speech and Signal Processing, vol. 35, no. 7,
pp. 917-926, July 1987
