An Efficient Scheme for Broadband Adaptive Beamforming
An Efficient Scheme for Broadband Adaptive Beamforming
This paper introduces an oversampled subband approach to linearly constrained minimum variance adaptive broadband beamforming. This method is motivated by the considerable reduction in computation over fullband implementation and resulting large computational complexity when fullband beamformers with high spatial and spectral resolution are required. We present the proposed subband adaptive beamformer structure, discuss advantages and limitations of it, and comment on the correct projection of the constraints in the subband domain. In a simulation, the proposed subband structure is compared to a fullband adaptive beamformer, highlighting the benefit of our method.
0-7803-5700-0
496-500
Weiss, S
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Stewart, R W
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Schabert, M
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Proudler, I K
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Hoffman, M W
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October 1999
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Stewart, R W
c819965d-70b4-4689-8206-e6e444dcbf8e
Schabert, M
cb83a303-6a0e-4b5e-ad21-65ef82e3594f
Proudler, I K
6811ac51-8868-40ee-88f2-aa7107e6d3f1
Hoffman, M W
64ae7f46-bbce-4707-bc75-0b536a770451
Weiss, S, Stewart, R W, Schabert, M, Proudler, I K and Hoffman, M W
(1999)
An Efficient Scheme for Broadband Adaptive Beamforming.
33rd Asilomar Conference on Signals, Systems, and Computers.
.
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Abstract
This paper introduces an oversampled subband approach to linearly constrained minimum variance adaptive broadband beamforming. This method is motivated by the considerable reduction in computation over fullband implementation and resulting large computational complexity when fullband beamformers with high spatial and spectral resolution are required. We present the proposed subband adaptive beamformer structure, discuss advantages and limitations of it, and comment on the correct projection of the constraints in the subband domain. In a simulation, the proposed subband structure is compared to a fullband adaptive beamformer, highlighting the benefit of our method.
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Published date: October 1999
Additional Information:
Organisation: IEEE Address: Monterey, California, USA
Venue - Dates:
33rd Asilomar Conference on Signals, Systems, and Computers, 1999-10-01
Organisations:
Electronics & Computer Science
Identifiers
Local EPrints ID: 251927
URI: http://eprints.soton.ac.uk/id/eprint/251927
ISBN: 0-7803-5700-0
PURE UUID: f1b98141-1573-4bba-bebc-0ad7a794d044
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Date deposited: 08 Nov 2000
Last modified: 14 Mar 2024 05:14
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Contributors
Author:
S Weiss
Author:
R W Stewart
Author:
M Schabert
Author:
I K Proudler
Author:
M W Hoffman
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