| Paper: | SAM-P3.11 | ||
| Session: | Beamforming and Space-Time Processing | ||
| Time: | Wednesday, May 19, 09:30 - 11:30 | ||
| Presentation: | Poster | ||
| Topic: | Sensor Array and Multichannel Signal Processing: Beamforming, direction-of-arrival estimation, and space-time adaptive processing | ||
| Title: | SPATIALLY CODED SIGNAL FOR ACTIVE ARRAYS | ||
| Authors: | Ilya Bekkerman; Ben-Gurion University of the Negev | ||
| Joseph Tabrikian; Ben-Gurion University of the Negev | |||
| Abstract: | This paper addresses the problem of target detection and localization by radar or active sonar systems. A novel configuration in which the transmitted signals are spatially coded, is proposed. The main advantages of this new configuration are: avoid beam-shape loss, larger virtual array aperture and therefore narrower beams, increase the angular resolution, ability to detect and localize greater number of targets. This configuration enables array processing in the transmit mode in addition to the receive mode. The generalized likelihood ratio test and the maximum-likelihood estimator are derived for target detection and localization according to the new model configuration. The performance of the array processing algorithms for this problem is studied, both theoretically, and via simulations. | ||
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