SPICE: A Sparse Covariance-Based Estimation Method for Array Processing
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...On the other hand, a parameter-free algorithm, referred to as the iterative adaptive approach (IAA), was proposed recently in [14] and extended in [15, 16, 17]....
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"SPICE: A Sparse Covariance-Based Es..." refers methods in this paper
...However the SPICE method proposed in this paper is robust to this assumption—we refer to [7] (see also [1]) for a theoretical explanation of this robustness property, which will be illustrated numerically in Section V....
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"SPICE: A Sparse Covariance-Based Es..." refers background in this paper
...…however, we prefer to consider (13) because usually the condition is satisfied and because (13) has a statistically stronger motivation than (15): indeed, under certain conditions specified in [8], it can be shown that the parameter estimates minimizing (13) are statistically…...
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"SPICE: A Sparse Covariance-Based Es..." refers background in this paper
...We assume that the grid is fine enough such that the true location parameters of the existing sources lie on (or, practically, close to) the grid....
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