Adaptive polarimetry design for a target in compound-Gaussian clutter

Authors:
Jian Wang;Arye Nehorai
Affiliations:
Department of Electrical and Systems Engineering, Washington University in St. Louis, Bryan 201, Box 1127, 1 Brookings Drive, St. Louis, MO 63130, USA;Department of Electrical and Systems Engineering, Washington University in St. Louis, Bryan 201, Box 1127, 1 Brookings Drive, St. Louis, MO 63130, USA
Venue:
Signal Processing
Year:
2009

Citing 5
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Abstract

We develop optimal adaptive design of radar waveform polarizations for a target in compound-Gaussian clutter. We present maximum likelihood estimates of the target's scattering matrix and clutter parameters using a parameter-expanded expectation-maximization (PX-EM) algorithm. We compute the Cramer-Rao bound (CRB) on the target's scattering matrix. To design the polarization, we propose an algorithm that minimizes a CRB function. We propose also suboptimal versions of this algorithm and illustrate the performance as well as compare our algorithm with numerical examples.