METHOD FOR CALIBRATING THE FAR-FIELD ACOUSTIC OUTPUT OF A MARINE VIBRATOR

摘要

Techniques are disclosed relating to control of seismic sources such as marine vibrators. According to some embodiments, iterative learning control (ILC) systems may be used to control such seismic sources. According to some embodiments, local sensor(s) placed in, on, or near a seismic source and/or remote sensors placed in the far-field region may be used to determine a transfer function for the seismic source for such ILC control.

主权项

1. A system, comprising:
a marine vibrator, wherein the marine vibrator is configured to generate acoustic output; at least one sensor local to the marine vibrator; at least one sensor remote from the marine vibrator; and a control unit configured to iteratively change an actuating signal for the marine vibrator based on:
a reference signal; andmeasurements of the acoustic output by the at least one sensor local to the marine vibrator and the at least one sensor remote from the marine vibrator.