Method for verifying the location of an array of sensors

Details Method for verifying the location of an array of sensors Method for verifying the location of an array of sensors

1996-10-30

1997-12-09

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

G01V 138

Patent

active

056967330

ABSTRACT:
A high-order polynomial regression curve is fitted to a global set of first arrival times as a function of the nominal ranges between a plurality of acoustic sources having known geodetic coordinates and a plurality of acoustic detectors whose coordinates are imperfectly known. The order of the polynomial is chosen to be that order that minimizes the variance of the parameters about the regression curve. The polynomial is used as a quasi-velocity function for iteratively optimizing the best estimate of the ranges between each detector and every source station. The best estimate of the detector position is derived by multi-lateration using the computed ranges.

REFERENCES:
patent: 4446538 (1984-05-01), Zachariadis
patent: 4641287 (1987-02-01), Neeley
patent: 4870626 (1989-09-01), Tveit
patent: 5128904 (1992-07-01), Chambers
patent: 5497356 (1996-03-01), Behrens

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