This code is a simple inverse Stockwell transform. It's based on the idea that the time-integrated S transform is the Fourier transform of the original signal. There is some weirdness with the phase information, so I had to fix the sign on the imaginary part, but it seems to work.
This is a stand-alone function, and doesn't require any special toolboxes or libraries.
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Christian Poppeliers (2024). istran(S) (https://www.mathworks.com/matlabcentral/fileexchange/49761-istran-s), MATLAB Central File Exchange. Recuperato .
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- Signal Processing > Signal Processing Toolbox > Transforms, Correlation, and Modeling > Transforms >
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Ispirato da: Stockwell Transform (S-Transform)
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Versione | Pubblicato | Note della release | |
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1.2.0.0 | Original version returned a decimated time domain signal, so newest version simply up-samples to the original length. Not terribly elegant, but it works. |
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1.1.0.0 | See IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 55, NO. 10, OCTOBER 2007 |
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1.0.0.0 |