1. Adamopoulos , P. Fong , W. Hammond , J.K. 1988 Envelope and Instantaneous Phase Characterisation of Nonlinear System Response
2. Damping measurements from truncated signals via Hilbert transform;Agneni;Mechanical Systems and Signal Processing,1989
3. Identification of instantaneous attributes of torsional shaft signals using the Hilbert transform;Andrade;IEEE Transactions on Power Systems,2004