ABEM Terraloc Pro 2
77
Moving Average
Moving average is used to analyze a set of data points by creating a series of averages
of different subsets of the full data set. It can be used to smooth out short-term
fluctuations and highlight longer-term trends.
Selecting the
Moving Average
menu item from the data C
ontext Menu
(Figure 36) opens
the
Enter filter length
dialog (Figure 67).
Figure 67 The Enter filter length dialog
Setting
Description
Filter length -
Value range: 1 - 1023
Enter the wanted filter length (the number of samples to use) and then press OK.
The next two figures (Figure 68 and Figure 69) first display raw data from a record
acquired using vibration seismic and then after being processed with a moving average
filter with a filter length of 15.