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View Code? Open in Web Editor NEWA set of Python scripts to compute and plot HVSR curves using MUSTANG PDF-PSD web service from IRIS
License: GNU Affero General Public License v3.0
A set of Python scripts to compute and plot HVSR curves using MUSTANG PDF-PSD web service from IRIS
License: GNU Affero General Public License v3.0
Hello,
I find that iris-hvsr-tool is a very fast way to obtain hvsr results of the seismic data avaliable from IRIS database. The differences in the hvsr results calculated by iris-hvsr-tool and geopsy for the same data were compared, the difference between them is quite big for predominant frequency.
The example is "computeHVSR.py net=YT sta=DNTW loc= chan=HHZ,HHN,HHE start=2017-01-02 end=2017-01-03 plot=1 plotpsd=0 plotpdf=0 ymax=5 xtype=frequency n=1 removeoutliers=0 method=4"
and i downloaded the data to obtain hvsr using geopsy. i got two different peak freqency results.The results are 0.519Hz and 0.412Hz respectively.
Can you help me to explain it?
I noticed MUSTANG algorithm can smooth peaks, will it affect frequency values?
Thank you for your help.
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