Friday, October 07, 2005
The paper I mentioned is BOUALEM BOASHASH, "Estimating and Interpreting The Instantaneous Frequency of a Signal-Part 1: Fundamentals", PROCEEDINGS OF THE IEEE, VOL. 80, NO. 4, APRIL 1992 http://ieeexplore.ieee.org/iel1/5/3687/00135376.pdf?tp=&arnumber=135376&isnumber=3687