Roll-independent magneto meter system

Details Roll-independent magneto meter system Roll-independent magneto meter system

1989-09-29

1991-02-26

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33355R, 324244, 324246, 324247, 324254, 324253, G01R 3304

Patent

active

049951653

ABSTRACT:
A roll-independent magnetometer which may be used for example in a towed array magnetometer system comprises a first magnetic field sensor having iso-angular flux sensitivity about a roll axis and a second magnetic field sensor having sensitivity along the roll axis, the arrangement being such that a component of a magnetic field along the roll axis is measured by the second unidirectional sensor and the component of the field lateral to the roll axis is measured by the first sensor. Corrections may be applied for the inclination of the sensor and the angle of dip of the Earth's field. The angle of dip may be measured either in the towing vessel, in the towed body, or provided in look-up tabulated form.

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S. C. Ling, Journal of Spacecraft, "Fluxgate Magnetometer for Space Application", vol. 1, No. 2, Mar.-Apr. 1964, pp. 175-180.
Space Science Instrumentation, vol. 1, No. 2, 1975, D. Reidel Publishing Co. (Dordrecht, NL), M. H. Acuna et al., "The Pioneer XI High Field Fluxgate Magnetometer", pp. 177-188.
Revue de Physique Appliquee, vol. 5, No. 1, Feb. 1970 (Paris, FR), D. I. Gordon et al., "Low Field Magnetometer Sensor of High Stability", pp. 175-177.
IEEE Transactions on Geoscience Electronics, vol. GE-7, No. 4, Oct. 1969, (New York, U.S.), M. H. Acuna et al., "A Miniature Two-Axis Fluxgate Magnetometer", pp. 252-260.
International Search Report.

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