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Central DOA Estimation of Incoherently Distributed Noncircular Sources with Cross-Correlation Matrix

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Abstract

In this communication, a new method is proposed to estimate the central direction-of-arrival (DOA) of multiple incoherently distributed noncircular sources from using the received data in two closely spaced uniform linear arrays. Both the received data vector and its conjugate are utilized to estimate the extended cross-correlation (CC) matrix. Singular value decomposition is then applied on the extended CC matrix to obtain the left and right singular vectors. Subsequently, the central DOA is estimated by using the left and right singular vectors associated with the largest singular values. The effectiveness and performance of the technique are accessed through numerical results.

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Acknowledgments

This research was supported by the National Natural Science Foundation of China under Grant Nos. 61301155 and 61176025, the Fundamental Research Funds for the Central Universities Project No. ZYGX2012J003 and the China Scholarship Council (CSC No. 201406070066).

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Correspondence to Xuemin Yang.

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Yang, X., Li, G., Ko, C.C. et al. Central DOA Estimation of Incoherently Distributed Noncircular Sources with Cross-Correlation Matrix. Circuits Syst Signal Process 34, 3697–3707 (2015). https://doi.org/10.1007/s00034-015-0023-7

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  • DOI: https://doi.org/10.1007/s00034-015-0023-7

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