Magnetic anomaly sensing system for detection, localization...

Details Magnetic anomaly sensing system for detection, localization... Magnetic anomaly sensing system for detection, localization...

2005-01-11

2005-01-11

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S260000

Reexamination Certificate

active

06841994

ABSTRACT:
A magnetic anomaly sensing system uses triaxial magnetometer (TM) sensors arranged in a three-dimensional array. A processor coupled to the TM sensors generates partial gradient contraction data, and complete gradient tensor data and corresponding complete gradient contraction data. The generated data can be used to align the three-dimensional array with a magnetic target. Once the three-dimensional array is aligned with the magnetic target, the generated data can be used to uniquely determine (i) distance to the magnetic target, (ii) position of the magnetic target relative to the three-dimensional array, and (iii) the magnetic dipole moment of the magnetic target.

REFERENCES:
patent: 5777477 (1998-07-01), Wynn
patent: 6476610 (2002-11-01), Wiegert et al.

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