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Recognition of convoys with array radar

Recognition of convoys with array radar

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Recognition of convoys of ground vehicles and estimation of the cross-range convoy length component during tracking by radar is discussed in this study. Radar with multi-channel array antenna is assumed. Such antenna offers the potential of spatial and space–time signal processing. For estimation of the cross-range length component generalised power estimators are used. In presence of ground clutter such techniques require an moving target indication (MTI) function including clutter suppression. In the case of moving radar space–time clutter suppression such as space–time adaptive processing (STAP) is required. It is shown that the direction of motion as well as the cross-range of the convoy can be retrieved from data obtained during tracking.

References

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      • R. Klemm . (2007) Recognition of convoys with airborne adaptive monopulse radar.
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      • Paine, A.: `Application of the minimum variance monopulse technique to space-time adaptive processing', IEEE RADAR 2000, 8–12 May 2000, Alexandria, VA, p. 596–601.
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      • Wirth, W.D.: `Radar signal processing with an active receiving array', Military Microwaves Conf., 1978, London, UK.
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      • Klemm, R., Mertens, M., Koch, W.: `Tracking of convoys by airborne STAP radar. Part I: the sensor', Proc. Fusion 2008, 2008, Cologne.
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      • R. Klemm , M. Mertens . (2009) New results on convoy tracking by airborne radar.
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      • Mertens, M., Ulmke, M., Koch, W., Klemm, R.: `Using cross-range length measurements in GMTI convoy tracking', Proc. Fusion 2009, 2009, Seattle.
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      • R. Klemm . (2008) Estimation of the lateral target length by generalised power estimation: clutter-free case.
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      • U. Nickel , S. Haykin , J. Litva , T.J. Shepherd . Radar target parameter estimation with antenna arrays, Springer-Publishers) Springer Series in Information Sciences.
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      • Wirth, W.-D.: `Entdeckung und Parameterschätzung bei Zielen mit geringem Winkelabstand', FGAN report No. 192, October 1972 (in German), (Detection and parameter estimation of targets with low angular separation).
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      • R. Klemm . (2008) Estimation of the lateral length of moving ground targets by airborne radar.
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      • R. Klemm . (2010) The role of the course angle in convoy length estimation.
http://iet.metastore.ingenta.com/content/journals/10.1049/iet-rsn.2011.0077
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