Method and apparatus for correcting the response of seismic sens

Details Method and apparatus for correcting the response of seismic sens Method and apparatus for correcting the response of seismic sens

1991-05-29

1992-07-28

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 43, 367 41, 364421, G01V 124

Patent

active

051345900

ABSTRACT:
A method of correcting a seismic signal s(t) provided by a vibration sensor (100) in response to at least one emission signal F(t) produced by a least one seismic vibration generator (200). The real emission signal F(t) differs in phase and amplitude relative to a reference emission signal F(t). The correction method of the invention consists in determining the phase difference .DELTA..phi.(f) and the amplitude ratio A(f) between the real emission signal F(t) and the reference emission signal F(t) as a function of frequency f, and in applying the seismic signal s(t) from the vibration sensor (100) to a filter (304) whose response is defined in phase and amplitude respectively by -.DELTA..phi.(f) and by 1/A(f).

REFERENCES:
patent: 3984805 (1976-10-01), Silverman
patent: 4564927 (1986-01-01), Kolb
patent: 4890264 (1989-12-01), Crews et al.

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