IEEE Transactions on Signal Processing
Do Bounded Signals Have Bounded Amplitudes?
Multidimensional Systems and Signal Processing - Special issue on recent developments in time-frequency analysis
ANNPR'10 Proceedings of the 4th IAPR TC3 conference on Artificial Neural Networks in Pattern Recognition
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The author presents a generalization of the concepts of instantaneous frequency and group delay. A simple formula is given for obtaining the instantaneous value of any quantity. The physical interpretation which emerges from these considerations is discussed. Examples are given using time, frequency and scale.