期刊
IEEE SIGNAL PROCESSING LETTERS
卷 16, 期 1-3, 页码 219-222出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSP.2008.2010807
关键词
Adaptive beamforming; generalized loading; minimum variance beamforming; robust beamforming
资金
- Commission of Science Technology and Industry for National Defence, China [A1320070067]
The goal of this letter is to derive robust adaptive beamformers via generalized loading. In the proposed methods, Hermitian matrices are loaded on sample covariance matrix, and this is different from those methods based on the well-known diagonal loading approach. Furthermore, the computation of the loaded matrix is fully automatic, which is scarce in the literature. Numerical examples show that our methods are more robust to errors on array steering vector and sample covariance matrix than other tested parameter-free methods.
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