[Ifeffit] how to learn wavelet analysis

Robert Gordon ragordon at alumni.sfu.ca
Wed Nov 10 21:06:11 CST 2021

Try starting here:

On 2021-11-10 6:48 p.m., 罗昕宇 wrote:
> Dear IFEFFIT members,
> I'm a fresh graduate student majoring in chemical engineering. I began 
> to learn XAFS by myself one month ago. I bought and read the book 
> /XAFS for Everyone/ written by Dr. Calvin. I think I have got a clear 
> image of how EXAFS works. Recently, I am attracted bythe technique 
> called Wavelet Analysis from literatures. It seems pretty powerful to 
> correlate both temporal and frequency information, but something just 
> wentprobably beyond my current knowledge base. I understand that a 
> changeable window should be adapted to a make a trade-off between time 
> and frequency, but I don't understand the logic that good 
> time-resolution in high frequency is preferred while in low frequency 
> a good frequency-resolution is better. I would appreciate it very much 
> if you could answer my half-baked question and offer me with some 
> learning material.
> Best regards
> Xinyu
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