Method for synchronously inhibiting radar clutter and multiple interferences based on power distinction
A clutter and power technology, applied in the field of moving target detection, to achieve strong applicability and correction performance, and the effect of suppressing industrial interference
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[0035] The existing signal processing theory shows that the eigenvectors obtained by eigendecomposition of the signal coherence matrix can be divided into mutually orthogonal signal subspaces and noise subspaces according to the size of the corresponding eigenvalues, and the signal subspace contains the information of all signal manipulation vectors . The latest research shows that within the signal subspace, there is a corresponding relationship between the feature vector and the signal manipulation vector, and the signal feature vector can independently reflect the information of the corresponding signal manipulation vector, provided that there is a difference in power between the signals, and this reflection The degree of "independence" is proportional to the signal power difference.
[0036]In the sky-wave over-the-horizon radar system, usually the clutter power is the largest, followed by the interference power, and the target signal power is the smallest. Therefore, acc...
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