Sampling theory for neuromagnetic detector arrays

  title={Sampling theory for neuromagnetic detector arrays},
  author={A. I. Ahonen and M. Hamalainen and R J Ilmoniemi and M Kajola and J E Knuutila and J Simola and V Vilkman},
  journal={IEEE Transactions on Biomedical Engineering},
The sampling theorem for wave-number-limited multivariable functions is applied to the problem of neuromagnetic field mapping. The wave-number spectrum and other relevant properties of these fields are estimated. A theory is derived for reconstructing neuromagnetic fields from measurements using sensor arrays which sample either the field component B/sub z/ perpendicular to the planar grid of measurement points, or the two components partial B/sub z//partial x and partial B/sub z//partial y of… CONTINUE READING

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