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Questions tagged [instantaneous-frequency]

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Instantaneous frequency vs time for a piecewise signal

I sample a signal that consists of a train of pulses which are amplitude and frequency modulated. I would like to generate a plot that is instantaneous frequency vs time. I compute the Hilbert ...
P. Egli's user avatar
  • 193
4 votes
2 answers

Overcoming the negative instantaneous frequencies from Hilbert transform

how to avoid negative frequencies that can be obtained from instantaneous frequency estimation using Hilbert transform? Here is what I am doing: compute analytic signal, ...
togo_la's user avatar
  • 41
2 votes
5 answers

How to calculate the instantaneous frequency of a signal?

I am trying to do the complex trace analysis of a seismic trace in Matlab where I need to calculate the instantaneous frequency of a discrete signal. I have used the formula according to Barnes. I am ...
user1963893's user avatar