Page 405 - Acquisition and Processing of Marine Seismic Data

396 7. SUPPRESSION OF MULTIPLE REFLECTIONS

FIG. 7.30 Three successive CDPs (A) before and (B) after f-k filtering for multiple removal. Most of the first-order (M 1 ) and
all of the second-order (M 2 ) multiples are eliminated.

FIG. 7.31 A stack section (A) before and (B) after f-k filtering for multiple removal. The first-order long period multiple (M)
is significantly suppressed by f-k filtering.