A constrained optimization approach for an adaptive generalized subspace tracking algorithm |
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Authors: | Amir Valizadeh Mahsa Najibi |
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Affiliation: | Electrical Engineering Department, School of Engineering, Shiraz University, Shiraz, Iran |
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Abstract: | In this paper, we present an orthonormal version of the generalized signal subspace tracking. It is based on an interpretation of the generalized signal subspace as the solution of a constrained minimization task. This algorithm, referred to as the CGST algorithm, guarantees the Cx-orthonormality of the estimated generalized signal subspace basis at each iteration which Cx denotes the correlation matrix of the sequence x(t). An efficient implementation of the proposed algorithm enhances applicability of it in real time applications. |
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Keywords: | Generalized subspace Projection approximation Generalized eigen-decomposition Constrained optimization |
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