[1] LI J, STOICA P.MIMO radar with colocated antennas［J］.IEEE Signal Processing Magazine, 2007, 24(5):106-114.

[2] XIANG C, FENG D Z, LV H, et al.Robust adaptive beamforming for MIMO radar［J］.Signal Processing, 2010, 90(12):3185-3196.

[7] HUANG L, ZHANG J, XU Z, et al.Robust adaptive beamforming with a novel interference-plus-noise covariance matrix reconstruction method［J］.IEEE Transactions on Signal Processing, 2015, 63(7):1643-1650.

[8] DU L, LI J, STOICA P.Fully automatic computation of diagonal loading levels for robust adaptive beamforming［J］.IEEE Transactions on Aerospace and Electronic Systems, 2010, 46(1):449-458.

[9] VOROBYOV S A, GERSHMAN A B, LUO Z Q.Robust adaptive beamforming using worst-case performance optimization:a solution to the signal mismatch problem［J］.IEEE Transactions on Signal Processing, 2003, 51(2):313-324.

[10] LI J, STOICA P, WANG Z S.On robust Capon beamforming and diagonal loading［J］.IEEE Transactions on Signal Processing, 2003, 51(7):1702-1715.

[11] VOROBYOV S A, CHEN H, GERSHMAN B.On the relationship between robust minimum variance beamformers with probabilistic and worst case distortionless response of constraints［J］.IEEE Transactions on Signal Processing, 2008, 56(11):5719-5724.

[12] JIN W, JIA W M, YAO M L, et al.Robust adaptive beamforming based on iterative implementation of worst-case performance optimization［J］.Electronics Letters, 2012, 48(22):1389-1391.

[13] NAI S E, SER W, YU Z L, et al.Iterative robust minimum variance beamforming［J］.IEEE Transactions on Signal Processing, 2011,59(4):1601-1611.