PSN-L Email List Message
Subject: Re: Integration and Winquake
From: "Randall Pratt" randallpratts@..........
Date: Sat, 29 Jun 2002 20:59:43 -0500
I don't have an answer but I have wondered about this also. I've considered
summing as you thought and also the possibility of maybe trapazoidal areas
with several points. Another question I have is how the result can begin at
other than zero displacement with a velocity sensor and zero time at file
start? I wonder if the algorithym starts in the middle or from some average
point and works to the ends?
----- Original Message -----
From: "Arie Verveer"
Sent: Tuesday, June 25, 2002 6:28 AM
Subject: Integration and Winquake
> Hi, Just a small question; When integrating data with Winquake
> does anyone now the integration period.? I would assume the integrated
> value is the sum of the y values times 1/ ( sample rate ) over the length
> of the integration period? . I'm probably wrong, any idea's.
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