Questions tagged [instantaneous-frequency]
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4 questions
2
votes
1
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Best phase unwrapping algorithm in single precision
I’m wondering what is the best algorithm for unwrapping phase of a signal whose data type is single (float) that posess the ...
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1
vote
1
answer
166
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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 ...
- 193
4
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2
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509
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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, ...
- 41
3
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5
answers
2k
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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 ...
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