Defeating Nyquist

Alsop, S. and McLean, R.F. and Fleming, J.S.; (2004) Defeating Nyquist. In: Vibrations in Rotating Machinery (IMechE). IMechE conference transactions (2004-2). John Wiley & Sons Inc., pp. 281-290. ISBN 1860584470

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Abstract

Paper on methods to overcome the Nyquist and Shannon limitations on data capture - defeating Nyquist. No analogue or digital filtering is required to retrieve unambiguous signals of more than 2000 times the Nyquist limitation.