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Muting.

We use a brute force mute to eliminate events that are not coincident with our beloved primary reflections, e.g., surface waves that arrive earlier than reflections. Figure 1.11 depicts a shot gather before (LHS CSG) and after 50-280 Hz bandpass filtering (RHS image).
  
Figure 1.11: CSG seismograms before (LHS) and after (RHS) muting of data before first arrival.

\psfig{figure=csg80band.ps,width=2.5in,height=2.5in}



\psfig{figure=csg80mute.ps,width=2.5in,height=2.5in}




Gerard Schuster
1998-07-29