Fig. 4

Resolution of two sources separated by 0.5 cm at a = 5 cm, SNR = 1.7, dual state beamformers, t. Crosses indicate true source positions. a Conventional; b SSS (n int, n ext) = (12, 3) with diagonalized noise covariance matrix

Resolution of two sources separated by 0.5 cm at a = 5 cm, SNR = 1.7, dual state beamformers, t. Crosses indicate true source positions. a Conventional; b SSS (n int, n ext) = (12, 3) with diagonalized noise covariance matrix