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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.
Cite As
Christian Poppeliers (2026). istran(S) (https://uk.mathworks.com/matlabcentral/fileexchange/49761-istran-s), MATLAB Central File Exchange. Retrieved .
Acknowledgements
Inspired by: Stockwell Transform (S-Transform)
General Information
- Version 1.2.0.0 (1.34 KB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 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. |
||
| 1.1.0.0 | See IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 55, NO. 10, OCTOBER 2007 |
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| 1.0.0.0 |
