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DOA Estimation of Coherent Sources in the Presence of Impulsive Noise
Pages: 178-184
Year: Issue:  2
Journal: Radar Science and Technology

Abstract: A method called FLOM-TDD(Fractional Lower Order Moment Time Delay Decorrelation) is proposed to estimate the DOA(direction of arrival) of coherent sources in the presence of impulsive noise.Firstly,the generalized steering vector is obtained by DOA matrix method based on two fractional lower order moment matrices with different time delays.Secondly,the DOA of each group of coherent sources is estimated according to the multipath attenuation characteristics by temporal smoothing.This method performs well in the impulsive noise environment and can estimate the coherent sources with the number more than array sensors.Computer simulations prove the effectivity of the proposed method.
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