istran(S)

Versione 1.2.0.0 (1,34 KB) da Christian Poppeliers
Inverse S transform
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Aggiornato 19 feb 2015

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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.

Cita come

Christian Poppeliers (2024). istran(S) (https://www.mathworks.com/matlabcentral/fileexchange/49761-istran-s), MATLAB Central File Exchange. Recuperato .

Compatibilità della release di MATLAB
Creato con R2009b
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Ispirato da: Stockwell Transform (S-Transform)

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Versione Pubblicato Note della release
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
1.0.0.0