Finite sample size effect on minimum variance beamformers: optimum diagonal loading factor for large arrays

@article{Mestre2006FiniteSS,
  title={Finite sample size effect on minimum variance beamformers: optimum diagonal loading factor for large arrays},
  author={Xavier Mestre and Miguel Angel Lagunas},
  journal={IEEE Transactions on Signal Processing},
  year={2006},
  volume={54},
  pages={69-82}
}
Minimum variance beamformers are usually complemented with diagonal loading techniques in order to provide robustness against several impairments such as imprecise knowledge of the steering vector or finite sample size effects. This paper concentrates on this last application of diagonal loading techniques, i.e., it is assumed that the steering vector is perfectly known and that diagonal loading is used to alleviate the finite sample size impairments. The analysis herein is asymptotic in the… CONTINUE READING
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