Re: [Tftb-help] Urgent Help need on Wavelet and

[Eric Chassande-Mottin]

Hi antony,

> In those work, the wavelet transform is defined in the frequency domain 
> with the mother wavelet in frequency domain, and which results another 
> exponential term when the wavelet transform is defined in time domain. 
> Compare to the command "tfrrmsc" in the TF toolbox, the wavelet 
> transform is defined in the time domain and by writing a = f/fo, the 
> TFDs is resulted. Obviously the difference in the defintion resulted a 
> different time and frequency resolution properties.
>
> If anyone has any idea on how to Ling's Wavelet transform using 
> exisiting tool, or if there is any exsisitng code that can do the job, 
> please advise me. The objective is to get the same style of time and 
> frequency resolution, the variations on different wavelet can easily be 
> modified.

I am not sure I understand your question.

you may have a look to  tfrscalo.m which uses another
implementation the continuous wavelet transform.

http://cvs.savannah.gnu.org/viewvc/tftb/tftb/mfiles/tfrscalo.m?revision=1.1&view=markup

> 2. Baraniuk-Jones optimal kernel distribution (BJOKD)

> In the acknowledgement the authors have give thanks to signal processing 
> group at the Rice University. It would be appreciated if someone can 
> give me a hand on it.

I'm sure that a google search for Baraniuk and Rice University
will point you the right page.

cheers,
eric.