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Direction finding and mutual coupling estimation for uniform rectangular arrays
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DOI：10.1016/j.sigpro.2015.04.019.png)
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摘要
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A novel two-dimensional (2-D) direct-of-arrival (DOA) and mutual coupling coefficients estimation algorithm for uniform rectangular arrays (URAs) is proposed. A general mutual coupling model is first built based on banded symmetric Toeplitz matrices, and then it is proved that the steering vector of a URA in the presence of mutual coupling has a similar form to that of a uniform linear array (ULA). The 2-D DOA estimation problem can be solved using the rank-reduction method. With the obtained DOA information, we can further estimate the mutual coupling coefficients. A better performance is achieved by our proposed algorithm than those auxiliary sensor-based ones, as verified by simulation results. (C) 2015 Elsevier B.V. All rights reserved.
Keyword:
Direction of arrival estimation
Mutual coupling
Uniform rectangular array
Rank-reduction
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3.6
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10.0K
被引数:
1.7W
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