Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1982-08-06
1984-07-24
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324300, G01R 3308
Patent
active
044619960
ABSTRACT:
A nuclear magnetic resonance (NMR) cell for use in a gyro is shown which is maintained at a predetermined temperature, established by testing. Testing of each cell is conducted by heating the cell within a gyro to a series of temperatures and plotting the gyro bias (degrees/time) for each temperature within the series. At one temperature the magnitude of gyro bias will no longer increase but will start to decrease. This temperature turning point is the temperature at which the NMR cell should be maintained for zero temperature sensitivity of the gyro.
REFERENCES:
patent: 3621378 (1971-11-01), Kleiman
patent: 4157495 (1979-06-01), Grove
Cline Gerald L.
Litton Systems Inc.
Tokar Michael J.
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