Adaptive window deghost (AWD)
AWD eliminates or attenuates the receiver and/or source ghost in
Beginning with a shot record in the time-offset (t-x) domain, we first transform every trace into the frequency domain. Then for every frequency
Figure 1: Deghosting wavefields recorded by a variable depth streamer. A time delay of 2dxcosθ/
Figure 2: Constant-depth streamer data presenting
Figure 3: Variable-depth streamer data before and after
AWD eliminates or attenuates the receiver and/or source ghost in