Research Article
Central DOA Estimation Method for Exponential-Type Coherent Distributed Source Based on Fourth-Order Cumulant
Table 1
Key notations and explanations.
| Notations | Explanation |
| | Conjugate of matrix | | Transpose of matrix | | Conjugate transpose of the matrix | | Statistical expectation operator | | Diagonalization operation | | -th entry of a matrix | | Matrix trace | | Kornecker product | | Set of the locations of physical elements | | Set of the locations of virtual elements | | Phase acquired operation | | Matrix column vectorization |
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