HVSR frequency band

This forum is dedicated to discuss all problems and suggestions related to the use of geopsy database and its plugins (array processing, H/V,...).
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Joined: Thu Jun 18, 2020 12:46 am

HVSR frequency band

Post by laleh »


I run HVSR on data and filter it for example up to 25 Hz (under the time windows tab). Then I set frequency sampling to 0.5-125 Hz under the output tab. in the HVSR plot, I can still see peaks around 100 Hz, despite filtering signals up to 25 Hz. I am wondering what is the reason for that? does the HVSR plot show the results from the filtered signal or the raw one? (please see the figure attached)

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