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• W2182001052 abstract "A new direction-of-arrival estimation method for uncorrelated wideband sources is proposed. Firstly, the covariance matrices of different frequency bins are transformed into higher dimensional vectors through Khatri-Rao product to produce the new models of the array outputs. Secondly, the higher dimensional noiseless signal subspace at each frequency is focused to a certain reference frequency and a single correlation matrix is constructed, where the focusing matrices are designed by interpolating the virtual steering matrices of the new model. Finally, the DOA estimates are acquired through using narrowband MUSIC method. The proposed method is able to increase the degrees of freedom of a uniform linear array and enable us to handle more sources than sensors. Numerical results demonstrate the performance of the proposed method." @default.
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• W2182001052 date "2015-03-31" @default.
• W2182001052 modified "2023-09-27" @default.
• W2182001052 title "Wideband DOA Estimation with Interpolated Focusing KR Product Matrix" @default.
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• W2182001052 doi "https://doi.org/10.14257/ijsip.2015.8.3.18" @default.
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