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Iterative MMSE method and recurrent Kalman procedure for ISAR image reconstruction

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1 Author(s)
Lazarov, A.D. ; Military Acad. for Artillery & Air Defence

This work presents a novel approximate iterative and recurrent approach for image reconstruction from inverse synthetic aperture radar (ISAR) data. Mathematical models of the quadrature components of the ISAR signal, reflected by an object with a complex geometry, are devised. Approximation matrix functions are used to describe deterministic signals reflected by point scatterers located at nodes of the uniform grid (model) during inverse aperture synthesis. Minimum mean square error (MMSE) equations and Kalman equations are derived. To prove the validity and correctness of the developed iterative MMSE method and recurrent Kalman procedure, numerical experiments were performed. The computational results demonstrate high resolution images, unambiguous and convergent estimates of the point scatterers' intensities of a target from simulated ISAR data

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:37 ,  Issue: 4 )