choi-williams and sigma, what is an good sigma

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Russell
Russell on 6 Jul 2012
Answered: Artur Kravtsov on 1 Dec 2019
I have done some work with wigner distributions, but I recently started using choi williams distributions. I am unsure as to what sigma I should use. When I use the present value of 0.05 all my useful information disappears. From what I understand this means that the signal being removed is all cross-term. Why do I not want this. Is there a way to calculate something for sigma.

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Artur Kravtsov
Artur Kravtsov on 1 Dec 2019
Could you please tell, which function are you using for Choi-Williams distribution? Thank you.

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