Return to command index

delay and sum

command: DELAY+SUM <trc-list> <azimuth> <slowness>

Delays traces specified in <trc-list> to align seismic phases with the same azimuth and slowness. Before applying delays all traces are reset in time. After applying delays all specified traces are summed and a SUM trace appears on top of the display.

parameters

• <trc-list> parameter type: trace list
  List of traces to be beamed.

• <azimuth> parameter type: real
  Azimuth of phase to be aligned given in degrees.

• <slowness> parameter type: real
  Slowness of phase to be aligned given in sec/degree.

example

delay+sum all 30.0 5.0

shift all traces to beam a phase of azimuth 30 degrees and slowness 5.0 sec/deg