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Wideband and multi-polarizations is the development trend of the conformal array antenna. Due to the variable curvature of the platform, one of the most serious challenges faced in the pattern synthesis of conformal array antenna is the serious cross-polarization. Based on element polarization diversity, a space-time-polarization weighting construct is proposed for frequency-invariant, low cross-polarization...
Three simple, yet practical calibration criterions are derived for low-angle tracking of array radar. In light of these criterions, real time and blind calibration can be achieved in multipath signal environment based on the preprocessing of the array snapshots or covariance matrix. The measured data on an dasiaoverwaterpsila path is used to verify the effectiveness of the proposed array calibration...
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