Measurement of the Wiener Kernels of a Non-linear System by Cross-correlation† †Communicated by Dr. H.L.Thomas. Some of the results presented in this paper were first reported in preliminary form by Y. W. Lee and M. Schetzen in “Measurement of the Kernels of a Nonlinear System by Crosscorrelation”, Quarterly progress Report No. 60, Research Laboratrory of Electronics, M.I.T., Cambridge, Mass., pp. 118–130, and by M. Schetzen in “Measurement of the Kernels of a Nonlinear System by Crosscorrelation with Gauss
International Journal of Control, 1965, 2, 237-254