Seismic vibrator control system

Details Seismic vibrator control system Seismic vibrator control system

G - Physics

05

D

349/50, 341/71

G05D 19/02 (2006.01)

Patent

CA 1082339

ABSTRACT OF THE DISCLOSURE This invention is a control system for a hydraulic vibrator that permits the injection into the ground of seismic signals having pseudo- random code patterns or other broad band signals. Feedback for controlling vibrator operation is taken from the coupling plate. At low frequencies, the feedback us proportional to coupling plate position and at higher frequencies, the feedback is proportional to the coupling plate velocity.

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