I am looking for functions for for the "S-method" or the "Choi-Williams method"
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I am working on time frequency analysis using Wigner-Ville distribution using the function WVD in MATLAB.
I am wondering if there are functions for for the "S-method" or the "Choi-Williams method"? There is one function for the S-method which can be found in https://www.mathworks.com/matlabcentral/fileexchange/76268-s_method_pub but it seems not to work properly.
Thanks for help
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Sourabh
il 20 Feb 2023
You can try using the “spectrogram” function to compute the S-method. You can find more information about it here:
As of now, there is no in-built function provided for the Choi-Williams method.
Also, you can find other functions from the following link which might serve your purpose:
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