Inspec keywords: spatial filters; array signal processing; statistical analysis; filtering and prediction theory

Other keywords: informed beamformers; array manifold; beamforming; wave front distortion; blind beamformers; blind identification; nonGaussian signals; pointing errors; performance; directional vectors; array deformations; fourth-order cumulants; computationally efficient technique

Subjects: Other topics in statistics; Information theory; Signal processing and detection; Other topics in statistics