Seismic source ghost
= Seismic source ghost
A delayed, usually polarity-reversed copy of source radiation reflected at the <water> free surface. Interference with the direct wave shapes the usable spectrum; source depth controls the delay.
= Seismic source ghost
A delayed, usually polarity-reversed copy of source radiation reflected at the <water> free surface. Interference with the direct wave shapes the usable spectrum; source depth controls the delay.