17 April 2008 Tracking and classification using aspect-dependent RCS and kinematic data
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Abstract
The joint target tracking and classification using target-to-sensor aspect-dependent Radar Cross Section (RCS) and kinematic data for multistatic sonar network is presented in this paper. The scattered signals measured from different orientations of a target may vary due to aspect-dependant RCS. A complex target may contain several dozen significant scattering centers and dozens of other less significant scatterers. Because of this multiplicity of scatterers, the net RCS pattern exhibits high variation with aspect angle. Thus, radar cross sections from multiple aspects of a target, which are obtained via multiple sensors, will help in accurately determining the target class. By modeling the deterministic relationship that exits between RCS and target aspect, both the target class information and the target orientation can be estimated. Kinematic data are also very helpful in determining the target class as it describes the target motion pattern and its orientation. The proposed algorithm exploits the inter-dependency of target state and the target class using aspect-dependent RCS and kinematic information in order to improve both the state estimates and classification of each target. The simulation studies demonstrate the merits of the proposed joint target tracking and classification algorithm based on aspect-dependant RCS and kinematic information.
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S. Sutharsan, R. Tharmarasa, T. Lang, and T. Kirubarajan "Tracking and classification using aspect-dependent RCS and kinematic data", Proc. SPIE 6969, Signal and Data Processing of Small Targets 2008, 696913 (17 April 2008); doi: 10.1117/12.779218; https://doi.org/10.1117/12.779218
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