Polarization Parameter Estimation of Conformal MIMO Radar Targets

Conformal Multiple-Input Multiple-Output (MIMO) radar make good use of the aperture of the platform, but target polarization scattering parameter is more complicated since the beam patterns of transmit/receive antennas are different from those in free space. In this paper, we develop signal processing algorithms to estimate the Sinclair matrix of radar targets for conformal MIMO radar, according to the Least Square (LS) criterion and the Maximum Likelihood (ML) criterion. Both unbiased but the ML estimator can achieve the Cramer-Rao bound. The estimation performance is evaluated in theory via numerical results.