[MSNoise] Question

[Thomas Lecocq]

Hi,

There is no justification for that, the traces are simply normalised 
before computing, and it is actually useless.

Thomas

Le 19/11/2015 05:20, Yoones Vaezi a écrit :
> Hi,
>
> Having looked at the MWCS.py program I have encountered a section which has
> not been explained in the paper titled "MSNoise, a Python Package for
> Monitoring Seismic Velocity Changes Using Ambient Seismic Noise" and I
> could not find any justification why this has been done.
> Within the program, before calculating the cross-spectrum between the
> current and reference CCFs, the minimum values of each window is subtracted
> and the result is divided by the maximum value. What is the reason for
> doing this? In the paper it is just mentioned that the windows are
> mean-adjusted and tapered.
> I understand the reason behind detrending, mean adjustment, and the
> tapering, but not the above-mentioned part of the code.
>
> Thank you for your help,
>
> Regards,
>
> Yoones
>
> ______________________________
> _______________________________________________
> MSNoise mailing list
> MSNoise at mailman-as.oma.be
> http://mailman-as.oma.be/mailman/listinfo/msnoise