[ask] spectrum method

Discuss here all technical and scientific questions about the processing of ambient vibrations for site characterization (H/V, Array methods,...)
kodog
Posts: 1
Joined: Mon Jun 17, 2013 11:49 am

[ask] spectrum method

Postby kodog » Thu Jun 20, 2013 11:52 am

Hello,

I have question about the spectrum method on geopsy.
I want to get range frequency data from time series (not the peak), so i use geopsy to run fft (spectrum toolbox). Then i need to know, if there is rule of windowing the data? length window ? number of window ? .
I am not sure whether this method has the same rules as hvsr.

And I read about dydac (2^n) rule, on which menu i use input my dydac rule ?

Thanks alot.. :D

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