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Angular superresolution technique is of great significance in enhancing the azimuth resolution when the real aperture is constrained. Recently, based on weighted least squares (WLS), the iterative adaptive approach (IAA) has been applied to scanning radar angular superresolution. The resulting estimates present noticeably superior performance compared with the existing approaches. However, the improved...
A scheme of fast standard Capon beamformer (SCB) is proposed for scanning radar angular superresolution aiming at the computation burden caused by large swath mapping in azimuth. First, using the similar block tridiagonal property between the covariance matrix and Schur complement of its submatrix, the fast matrix inverse works in an improved divide and conquer (D&C) approach by recursively breaking...
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