Active FK

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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ESBornand
Posts: 8
Joined: Mon May 18, 2020 2:03 pm

Active FK

Post by ESBornand »

Dear, when using geopsy the active FK tool, when loading several MASW records, let's say 5, when processing it only shows 2 arrays, I need it to show all 5, but it doesn't.
Thanks.
admin
Site Admin
Posts: 767
Joined: Mon Aug 13, 2007 11:48 am
Location: ISTerre
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Re: Active FK

Post by admin »

Hi,

Each output plot is associated to one seismic event. First of all, check the seismic event table (right click on the toolbar if it is not yet visible). Each event is identified by its time of occurrence and a location. When you select your records for processing, all "matching" events are gathered and signals are assigned to each event. Matching means that the time and the location are compatible. The time of the shot must be before the end of the record but not too far before the starting time of the record. A rule of thumb based on a reasonable seismic velocity and on the known distance between the source and the sensor is used.

Best regards,

Marc
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