Space/time/frequency methods in adaptive radar - New Jersey ...
Space/time/frequency methods in adaptive radar - New Jersey ...
Space/time/frequency methods in adaptive radar - New Jersey ...
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75Figure 4.2 Reduced-rank GSCThis m<strong>in</strong>imization results <strong>in</strong>Us<strong>in</strong>g Equations 4.4 and 4.7, the overall GSC weight vector is then given bywhere I N is the N-dimensional identity matrix. The output SINR (when targetVarious choices of the rank reduc<strong>in</strong>g transformation U are now considered:1. One such choicewhere Qr consists of the r largest eigenvectors of R. Assum<strong>in</strong>g that the(N — 1) x N signal block<strong>in</strong>g matrix A has full column rank, the elements ofU can be obta<strong>in</strong>ed from the solution of a least-squares problem. It is easy toshow that with this choice of U: