Auxiliary DC field coil for improving rate bias instability of m

Details Auxiliary DC field coil for improving rate bias instability of m Auxiliary DC field coil for improving rate bias instability of m

1981-04-20

1983-09-27

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using optical pumping or sensing device

G01R 3308

Patent

active

044069863

ABSTRACT:
A magnetic resonance gyroscope has auxiliary coils mounted adjacent the coils which normally produce the DC H.sub.o field for the gyro spin generators. The auxiliary coils establish an inhomogeneous H.sub.o field which results in a reduction of the rate bias shifts due to readout lamp plasma shifts. Alternately, rate bias shifts may be reduced by introducing a temperature differential between the two absorption cells employed in the gyro.

REFERENCES:
patent: 3577068 (1971-05-01), La Force
patent: 3652926 (1972-03-01), Brun
patent: 3725775 (1973-04-01), Gasser
patent: 3778700 (1973-12-01), Bayley
patent: 3863144 (1975-01-01), Simpson
patent: 4147974 (1979-04-01), Greenwood

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