Joint estimation of DOA, frequency, and polarization based on cumulants and UCA |
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Authors: | Huang Jiacai Shi Yaowu Tao Jianwu |
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Institution: | 1. Automation Dept., Nanjing Institute of Technology, Nanjing 211167, P. R. China;Coll. of Communication, Jilin Univ., Changchun 130025, P. R. China 2. Coll. of Communication, Jilin Univ., Changchun 130025, P. R. China 3. Univ. of Aeronautics, Changchun 130022, P. R. China |
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Abstract: | A joint estimation algorithm of direction of arrival (DOA), frequency, and polarization, based on fourth-order cumulants and uniform circular array (UCA) of trimmed vector sensors is presented for narrowband non-Gaussian signals. The proposed approach, which is suitable for applications in arbitrary Gaussian noise environments, gives a closed-form representation of the estimated parameters, without spectral peak searching. An efficient method is also provided for elimination of cyclic phase ambiguities. Simulations are presented to show the performance of the algorithm. |
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Keywords: | polarization direction of arrival frequency fourth-order cumulant uniform circular array vector sensor |
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