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<?xml version="1.0" encoding="UTF-8"?>
<seiscomp>
<plugin name="FX-DFX">
<extends>global</extends>
<description>
Implementation of the CTBTO/IDC polarization analysis for
three-component stations.
</description>
</plugin>
<binding name="FX-DFX" module="global">
<description>
Implementation of the CTBTO/IDC polarization analysis for
three-component stations.
</description>
<configuration>
<group name="fx">
<description>
Feature extraction types, e.g. for scautopick.
</description>
<group name="DFX">
<description>
Three component feature extraction algorithm ported from the
automatic processing system implemented at CTBTO/IDC. The
documentation of the methods is not publically available.
In case of questions and comments, please contact CTBTO by
email: support@ctbto.org.
</description>
<group name="filter">
<description>
Butterworth filter options of the bandpass.
</description>
<parameter name="order" type="int" default="3">
<description>
The order of the filter.
</description>
</parameter>
<parameter name="loFreq" type="double" default="1" unit="Hz">
<description>
The lower cut-off frequency. A negative value or zero
will disable a lower cut-off frequency.
</description>
</parameter>
<parameter name="hiFreq" type="double" default="3" unit="Hz">
<description>
The upper cut-off frequency. A negative value or zero
will disable a upper cut-off frequency.
</description>
</parameter>
</group>
<group name="polar">
<parameter name="window" type="double" default="1.5" unit="s">
<description>
Length of the covariance window in seconds.
</description>
</parameter>
<parameter name="overlap" type="double" default="0.5">
<description>
The fraction of the covariance window to overlap.
</description>
</parameter>
<parameter name="alpha" type="double" default="0.3">
<description>
A station-dependent parameter used to compute a polarization slowness estimate.
</description>
</parameter>
<parameter name="ds" type="double" default="0.03">
<description>
A station-dependent parameter used to compute the back azimuth and slowness errors.
</description>
</parameter>
<parameter name="dk" type="double" default="0.1">
<description>
A station-dependent parameter used to compute the back azimuth and slowness errors.
</description>
</parameter>
</group>
</group>
</group>
</configuration>
</binding>
</seiscomp>