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Direction of arrival(DOA) estimation is the base of the underwater target orientation, tracking. Based on the characteristic of the array manifold can be estimated by complex blind source separation using the singular value decomposition, a new kind of model and method for DOA estimation is proposed using the directivity patterns of the blind source separation demixing matrix. Its efficiency and stability...
The existing separation of machine fault sources is only restricted to the linear mixing source signals. However, the observed signals do not suffice to this condition in the practical application. In view of this deficiency, a new mechanical source separation method based on nonlinear blind source separation (BSS) is proposed. The proposed method is compared with the linear BSS method of machine...
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