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I tried to apply a MATLAB Empirical Mode Decomposition routine to denoise a signal, basically retaining only the last IMFs, with a criterion based on the mode energy.

To validate the routine, I have built a synthetic signal with added Gaussian noise + a sinusoidal disturbance. I noticed that the EMD routine (at least mine) seems very sensitive to the noise. In fact, if I launch it twice, the generated noise is of course different and the IMFs are also quite different.

Do you have any suggestions on how to "stabilize" the routine?

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