O Besson,A A Monakov,C Chalus.Signal waveform estimation in the presence of uncertainties about the steering vector[J].IEEE Trans Signal Process,2004,52(9):2432-2440.
[2]
B Carlson.Covariance matrix estimation errors and diagonal loading in adaptive arrays[J].IEEE Trans Aerosp Electron,1988,24(4):397-401.
[3]
彭建辉.基于凸优化理论的自适应波束形成技术[D].湖南长沙:中国科学技术大学,2008. Peng Jian-hui.Adaptive beamforming algorithm based on convex optimization[D].Changsha,Hunan:University of Science & Technology of China,2008.(in Chinese)
[4]
Li,P Stoica,Z S Wang.On robust Capon beamforming and diagonal loading[J].IEEE Trans Signal Processing,2003,51(7):1702-1715.
[5]
Li L Du,P Stoica.Fully automatic computation of diagonal loading levels for robust adaptive beamforming[J].IEEE Trans Aerospace and Electronic System,2010,46(1):449-458.
[6]
R Lorenz,S P Boyd.Robust minimum variance beamforming[J].IEEE Trans Signal Processing,2005,53(5):1684-1696.
[7]
J Yang,X C Ma,C H Hou,Y C Liu.Automatic generalized loading for robust adaptive beamforming[J].IEEE Signal Process Lett,2009,16(3):219-222.
[8]
J Li,P Stoica,Z S Wang.Doubly constrained robust Capon beamformer[J].IEEE Trans Signal Processing,2004,52(9):2407-2432.
[9]
S A Vorobyov,A B Gershman,Z Q Luo.Robust adaptive beamforming using worst-case performance optimization:A solution to the signal mismatch problem[J].IEEE Trans Signal Processing,2003,51(2):313-324.
[10]
O Ledoit,M Wolf.A well-conditioned estimator for large dimensional covariance matrices[J].Journal of Multivariate Analysis,2004,88:365-411.
[11]
Y L Chen,Ami Wiesel,Y C Eldar,Alfred O Hero.Shrinkage algorithms for MMSE covariance estimation[J].IEEE Trans Signal Process,2010,58(10):5016-5029.
[12]
Y Selen,R Abrahamsson,P Stoica.Automatic robust adaptive beamforming via ridge regression[J].Signal Processing,2008,88(1):33-49. [LL]
[13]
A E Hoerl,et al.Ridge regression:some simulations[J].Commun Stat Theory Methods,1975,4:105-123.
[14]
J Capon.High resolution frequency-wave number spectrum analysis[J].Proceedings of IEEE,1969,57:1408-1418.
[15]
H L Van Trees.Optimum Array Processing:Part IV of Detection,Estimation,and Modulation Theory[M].New York:Wiley,2002.
[16]
A E Horel,R W Kennard.Ridge regression:biased estimation for nonorthogonal problems[J].Technometrics,1970,12(1):55-67.
[17]
T Kubokawa,M S Srivastava.Improved empirical Bayes ridge regression estimators under multicollinearity[J].Commun Stat Theory Methods,2004,33(8):1943-1973.
[18]
S Boyd,V Lieven.Convex Optimization[M].New York:Cambridge University Press,2004.
[19]
M Grant,S Boyd.CVX:Matlab software for disciplined convex programming[OL].http://stanford.edu/boyed/cvx,2009-06.
[20]
张贤达.矩阵分析与应用[M].北京:清华大学出版社,2004.670-671. Zhang Xian-da.Matrix Analysis & Applications[M].Beijing:Tsinghua University Press,2004.670-671.(in Chinese)