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Our objective is to detect and localize potential targets using stepped-frequency measurements consisting of both wall and target return from multiple antenna elements. We investigate the wall and target return subspaces both (i) for each antenna element separately and (ii) jointly for all antenna elements. Both the individual wall return subspace and the joint wall return subspace can capture most...
Reliable spherical antenna characterization at high frequencies requires a considerable amount of time and often leads to the inefficient use of measurement facilities. The proposed method cuts the number of necessary samples for spherical antenna scans by 75% as compared to standard techniques, thus enabling significantly faster scan times without significant loss of accuracy. This is achieved by...
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