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High-resolution multiple target angle tracking

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1 Author(s)
Kai-Bor Yu ; Gen. Electr. Res. & Dev. Center, Schenectady, NY, USA

An approach to high-resolution multiple-target-angle tracking that uses the output of an array of sensors is presented. The results of direction-of-arrival estimation by eigenstructure analysis are extended to derive a recursive procedure for tracking moving sources. This procedure involves recursive eigenvalue decomposition and a zero-tracking algorithm, using the coefficient derived from the minimum-norm criterion. The algorithm has superresolution capability in that a pair of closely spaced target angles can be resolved and tracked even though the angular separation between them is less than the reciprocal of the aperture size. Simulation results verify that the algorithm works well in tracking multiple-target sources.<>

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:6 ,  Issue: 5 )